Weight of 5 gallons of concrete

Understanding the weight of a five-gallon bucket of concrete isn’t only for transportation and garages but also for ensuring the structural integrity of your undertaking.

Weight of 5 gallons of concrete. Data sheet Weight 9,590 lbs Capacity 1,000 gallon Exterior Dimensions 64" H x 5'-4" W x 8'-0" L Invert Out 51 1/2" Specific References

21 Oct 2020 ... According to Quickcrete, a 50 pound bag of their cement is almost 100 pounds after you add water and it sets up. The buckets are about 18 inches ...

Apr 13, 2018 · To find the "weight per cubic foot" of concrete you need to divide the total weight of concrete by its volume. The total weight is 350+ 94+ 40= 484 pounds (for the water, 5 gallons is 40 pints and "a pint's a pound the world around"). Now use the specific gravities to determine the volume of each part and add them to find the total volume. One gallon of concrete (average mix) is about 20 lbs 2 gallons would be 40.17 pounds. ... How much does 2.5 gallons of water weigh? Two US gallons of water is about 16.7 pounds.A: Fresh concrete is heavy: A good rule of thumb is about 150 pounds/cubic foot. That translates to about 100 pounds for a 5-gallon bucket full of concrete, or as much as 800 pounds in a standard-sized contractor’s wheelbarrow load. The actual weight will vary depending on the materials and mix proportions, especially the type of coarse ...The exact weight of 5 gallons of concrete depends on the type of concrete mix used. Generally speaking, a 5-gallon bucket of concrete can weigh anywhere from 40 to 60 pounds. This is because concrete mix is typically composed of sand, gravel, and cement, and each of these components can vary in weight. For example, a 5-gallon bucket of ready ...The entered volume of Cement, Portland in various units of volume. centimeter³, 1. foot³, 3.53 × 10-5. Imperial gallon, 0. inch³, 0.06. liter, 0. meter³, 1 × 10 ...Question: A batch of concrete consisted of 380 lbs coarse aggregate, 240 lbs fine aggregate, 100 lbs cement, and 5 gallons of water. The sand and gravel's specific gravity are taken as and that of the cement as 3.10. 35 How much by the weight of cement is required to produce 2 05 one cubic yard? 21 15 2. sand specific gravity =2.05.7.5 MPa or 1085 psi. Mass concrete for foundations, footings, and heavy walls. 1 : 3 : 6. 10.0 MPa or 1450 psi. 1 : 2 : 4. ... and gravel for a concrete mix. The weight of cement is also automatically calculated using a cement density of 1440 kg/m³ (90 lb/ft³) ...Do you know how to pour concrete footings? Find out how to pour concrete footings in this article from HowStuffWorks. Advertisement If you are building your own deck or pier on the...

Size. 5 Gallon ; Weight Per Gallon. 13.0 – 13.2 lbs ; Base Compound. Water ; Dry Type. Regular Dry ; Finish. Flat / Satin.The cost of a concrete septic tank lid usually depends on the size of the main septic tank. The cost of a lid which will perfectly cover 9000 to 13000 Gallon septic tanks (which is the highest) will cost around more than 500 dollars. The average size which is 25 inches will cost around 40 dollars.A 5-gallon bucket of cement will weigh in at 60lbs for the one bag of pre-mix plus the water’s weight added to the mix. Typical concrete pre-mix will require about ½ gallon of water. That’s about 4.17 pounds of water weight.The Concrete Calculator estimates the volume and weight of concrete necessary to cover a given area. Purchasing slightly more concrete than the estimated result can reduce the probability of having insufficient concrete. ... Concrete can be purchased in multiple forms, including in 60 or 80-pound bags, or delivered in large amounts by ...Chapin's 19494 3.5-gallon Tri-poxy concrete sprayer is unmatched for quality. Designed with chemical-resistant seals, it handles professional concrete applications and construction applications. Use it for concreting sealing, form oil, staining and other applications in the industrial market.

The weight of 5 gallons of water = 5 x Weight of 1 gallon of water = 5 x 3.785 kilograms (or 8.345 pounds) Therefore, 5 gallons of water would weigh approximately 18.927 kilograms (or 41.725 pounds).Use the following Calculator to determine the volume of a standard PVC pipe, determine how much water it will hold, and its weight. The output is in (cubic inches) and (cubic feet). In addition the volume is shown in gallons as well as its total weight when filled with water. The input values for pipe diameter are for standard available pipe ...However, the standard weight of water in a 5-gallon container is approximately 41.7 pounds (lb). This weight calculation is based on the fact that 1 gallon of water weighs 8.34 lb. Therefore, for 5 gallons, the weight is 8.34 x 5 = 41.7 lb. It’s important to note that this weight calculation is for pure water, without any added substances or ...In conclusion, the weight of a 5 gallon bucket of sand can range from 50 pounds to 150 pounds, depending on the type of sand being used. In tons, it can weigh anywhere from 0.025 tons to 0.075 tons. The weight of the sand can be affected by various factors such as its type, moisture content, and particle size.

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A 5-gallon bucket of concrete typically weighs around 120 pounds (54.4 kilograms) when fully filled. However, this weight can vary depending on the specific …Enter 8 as the block length, 4 as the block width, and 16 as the block height in the calculator. Click "Calculate," and it will estimate that the weight of the concrete block is approximately 44.00 pounds based on the specified dimensions. Note. Like this post?However, the standard weight of water in a 5-gallon container is approximately 41.7 pounds (lb). This weight calculation is based on the fact that 1 gallon of water weighs 8.34 lb. Therefore, for 5 gallons, the weight is 8.34 x 5 = 41.7 lb. It’s important to note that this weight calculation is for pure water, without any added substances or ...21 Aug 2017 ... ... 5 gallon bucket http://amzn.to/2vqlpcM 2 ... weights Plastic bag Sandpaper Respirator ... HOW TO MAKE BIG CEMENT FLOWER POT#TUTORIAL#CEMENT PLANTERS ...

A batch of concrete considered of 200 lbs fine aggregate, 350 lbs coarse aggregate, 94 lbs cement, and 5 gallons water. The specific gravity of the sand and gravel may be taken as 2.65 and that of the cement as 3.10. What is the weight in lb of concrete in place per cubic foot? a. 163 b. 173 c. 183 d. 193. Structural Analysis. 6th Edition.From our calculation above, we can now say that for us to make a small 5.0 MPa 20-cm cube of concrete block, we would need 0.00077 m³ of cement, 0.00385 m³ of sand, and 0.00770 m³ of gravel. ... Enter the weight of a bag of cement available in your area to calculate the number of bags to fit the cement's calculated weight.The Concrete Calculator estimates the volume and weight of concrete necessary to cover a given area. Purchasing slightly more concrete than the estimated result can reduce the probability of having insufficient concrete.Aug 16, 2023 · The weight of a 5-gallon bucket of concrete mix would depend on the density of the concrete mixture. Will 80 lb concrete fit in a 5 gallon bucket? An 80lb bag of concrete mix is designed to be mixed with water and typically yields around 0.6 cubic feet of concrete. A 5-gallon bucket holds about 0.67 cubic feet, so an 80lb bag can fit in a 5 ... 1,000 Gallon Concrete Septic Tank Overview. Our 1000 gallon septic tank, made of quality precast concrete, is designed to hold 1000 gallons of liquid. A plumbing team can extend pipes from home drains to either the side or center inlets of this mid-seam style concrete septic tank. Plumbers in the New England area appreciate that this same ...Use the following Calculator to determine the volume of a standard PVC pipe, determine how much water it will hold, and its weight. The output is in (cubic inches) and (cubic feet). In addition the volume is shown in gallons as well as its total weight when filled with water. The input values for pipe diameter are for standard available pipe ...The entered volume of Cement, Portland in various units of volume. centimeter³, 1. foot³, 3.53 × 10-5. Imperial gallon, 0. inch³, 0.06. liter, 0. meter³, 1 × 10 ...The weight of a yard of crushed concrete will differ based on crush measurement, and the slight crush will not set into a cubic yard holder, and it is the best work by technology which crush break concrete into little pieces.. ¾” crushed concrete weighs 2550 pounds per yard. 1.5” crushed concrete weighs 2,450 pounds per yard. If …

Need to find out how many liters are in a gallon? There are a few different ways to do it, from quick and simple calculations to mental math that gives an approximate result. Learn...

Concrete Pipe; Detention, Retention & Infiltration; Filtration & Treatment; Hydrodynamic Separation; ... 5’ Width: 5’ Length: 10’ Weight: 24400 lb. ... DWG: NE_AVN_5x10x5_1500-Gallon-Grease-Trap_27612-1.dwg. Your Project Deserves Expert Attention. Whether you're looking for additional product information or design assistance, or you’re ...A standard "55-gallon" drum typically contains more than 55 gallons. A practical weight approximation for a barrel filled with water is around 480 pounds, while a barrel filled with concrete is approximately 1,140 pounds. Calculating the weight of a 55-gallon drum of concrete is an essential step in many construction projects, transportation ...Jul 21, 2021 · A solid slab of concrete weighs around 150 pounds per cubic foot, which is around 4,500 pounds per square yard. This is for average 3500-4000 psi concrete. If your using stronger or weaker concrete than average then the weight will change. A solid slab of concrete weighs 150 pounds per cubic foot. A cubic foot of broken concrete weighs 75 pounds. Glidden Fundamentals Exterior Paint Cool Concrete / Beige, Semi-Gloss, 5 Gallons ... Assembled Product Weight. 46.98 lb. More details ... Customer ratings & reviews.Aug 16, 2023 · The weight of a 5-gallon bucket of concrete mix would depend on the density of the concrete mixture. Will 80 lb concrete fit in a 5 gallon bucket? An 80lb bag of concrete mix is designed to be mixed with water and typically yields around 0.6 cubic feet of concrete. A 5-gallon bucket holds about 0.67 cubic feet, so an 80lb bag can fit in a 5 ... Home / · Containers and Vases / · Outdoor Planters / · CeraMix 13.5" Concrete Nova Planter 5 Gal.Dec 26, 2023 · A 50 lb bag of Quikrete will produce approximately 0.375 cubic feet or 11 liters of mixed concrete. This means that if you were to pour the entire bag into a 5-gallon bucket, it would fill up about 0.375 cubic feet of the bucket. However, it’s important to note that when mixing concrete, you’ll also need to add water. Item Weight (pounds) 11.25: Warranty: ... Chapin's 1949 3.5-gallon Tri-poxy concrete sprayer is unmatched for quality. Designed with chemical-resistant seals, it handles professional concrete applications and construction applications. Use it for concreting sealing, form oil, staining and other applications in the industrial market. ...

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Some of the most reviewed products in 5 Gallon Concrete Sealers are the DRYLOK Extreme 5 gal. Gray Flat Latex Interior/Exterior Basement and Masonry Waterproofer with 900 reviews, and the Foundation Armor 5 gal. Penetrating Water Based Silane Siloxane Concrete Sealer, ... How much does a yard of concrete weigh? A solid, unbroken slab of concrete weighs about two tons (or 4,000 pounds) per cubic yard. Breaking up concrete roughly halves the total weight per cubic yard to about one half ton (or about 2,000 pounds). How many bags of concrete are in a yard? To produce one yard of concrete, you’ll need to use about ... Best Answer. The specific gravity of limestone concrete is 2.37. Therefore 5 gallons of concrete would weigh 94.8 pounds. Wiki User. ∙ 13y ago. The specific gravity of limestone concrete is 2.37.Item Weight (pounds) 11.25: Warranty: ... Chapin's 1949 3.5-gallon Tri-poxy concrete sprayer is unmatched for quality. Designed with chemical-resistant seals, it handles professional concrete applications and construction applications. Use it for concreting sealing, form oil, staining and other applications in the industrial market. ... How much does a 5 gallon bucket of concrete weight? The answer to your question changes depending on the factors above and more. In general a 5 gallon bucket of hardened Quikrete will weigh about 100 pounds. Change the mix and you could end up as high as 200 pounds or as low as 60 pounds. Natural dry sand weighs 13.5 pounds (6.13 kg) and dry packed sand weighs about 14 pounds (or 6.366 kg) per gallon. Wet sand weighs 16 pounds (7.3 kg) and wet packed sand weighs about 7.88 kg or 17.33 pounds per gallon. The typical weight of sand is range between 12 to 17.5 Pound per gallon, or on an average of 13.5 Pound per gallon.# of batteries x weight in pounds ÷ 2000 pounds = tons ** Gaylord size most commonly used is 40" x 48" x 36"; weight of empty Gaylord approx. 45 pounds One cubic foot = 7.5 gallons or 1728 cubic inches One cubic yard = 36" x 36" x 36" or 46,656 cubic inches One cubic yard = 202 gallons or 27 cubic feet 18 bushel hamper = 0.83 cubic yardsHow much does a 5-gallon bucket of concrete weigh? A 5-gallon bucket of concrete weighs approximately 80 lbs to 100 lbs. This weight can vary slightly depending on the ratio of water to the concrete mix. Higher water to concrete mix ratio would make the concrete bucket weigh less than if it had lower water to concrete mix ratio. A 5-gallon ...Concrete Weight per Cubic Foot • A solid slab of concrete weighs 150 pounds per cubic foot. • A cubic foot of broken concrete weighs 75 pounds. Concrete Weight per Cubic Yard • A solid slab of concrete weighs 4,050 pounds per cubic yard. • A cubic yard of broken up concrete weighs 2,025 pounds.A 5-gallon bucket of cement will weigh in at 60lbs for the one bag of pre-mix plus the water’s weight added to the mix. Typical concrete pre-mix will require about ½ gallon of water. That’s about 4.17 pounds of water weight. Therefore a bucket of cement will weigh about 65 pounds. One of the major concerns with using a plastic bucket for ... ….

DRYLOK Extreme latex base masonry waterproof coating is ideal for interior, exterior, above or below grade masonry walls, basement walls, foundations, landscape walls, cinder blocks, concrete blocks, bare concrete swimming pools, stucco and brick. Features Flexible Encapsulated Polymers for a beautiful, smooth waterproof finish. …Follow these tips for a successful concrete countertop project. Expert Advice On Improving Your Home Videos Latest View All Guides Latest View All Radio Show Latest View All Podcas...The calculator will indicate the number of 10.1 oz. tubes of QUIKRETE ® Polyurethane Concrete Crack Sealant or 10.1 oz tubes of Concrete Repair you will need for your project. Enter the Length of the Crack in Feet: For 1/4 inch Wide Joint by 1/4 inch Deep: Number of 10.1 oz Tubes: For 1/2 inch Wide Joint by 1/4 inch Deep:The Concrete Calculator estimates the volume and weight of concrete necessary to cover a given area. Purchasing slightly more concrete than the estimated result can reduce the probability of having insufficient concrete.This calculator uses the density of water at 20° Celsius, which is 0.9982071 grams per cubic centimeter. The weight of a certain volume of water could vary slightly depending on the temperature.Size and weight: The sizes and weights of all concrete tanks are different. The dimensions of some of the most common 1500 gallon concrete precast tanks are around 6′ x 10′ 9″ x 5′ 5″ in length and width. The typical weight of a 1500 gallon concrete tank is 12,000 lbs, which is rather heavy.For example, 5 gallons multiplied by 8.34 is 41.7 pounds. This weight can vary slightly depending on the exact conversion factor used. For example, 1 UK gallon is equal to 10 pounds, so using this conversion factor, 5 gallons would be 50 pounds. When converting gallons to weight, it will also depend on the density of liquid and temperature.Apr 10, 2024 · However, the standard weight of water in a 5-gallon container is approximately 41.7 pounds (lb). This weight calculation is based on the fact that 1 gallon of water weighs 8.34 lb. Therefore, for 5 gallons, the weight is 8.34 x 5 = 41.7 lb. It’s important to note that this weight calculation is for pure water, without any added substances or ... Concrete Bag Calculator — Volume and Weight of Concrete. Calculate. Calculation Result. 0.009 cubic feet or 0.000 cubic yards or 0.000 cubic meters. if pre-mixed concrete*, it is 1.231 lbs or 0.558 kgs. if 60 lbs per bag, it is 0.021 bags. if 80 lbs per bag, it is 0.015 bags. A 5-gallon bucket of cement will weigh in at 60lbs for the one bag of pre-mix plus the water’s weight added to the mix. Typical concrete pre-mix will require about ½ gallon of water. That’s about 4.17 pounds of water weight. Therefore a bucket of cement will weigh about 65 pounds. One of the major concerns with using a plastic bucket for ... Weight of 5 gallons of concrete, Standard options provided. Custom sizes available. Residential Concrete Tank Sizes, Commercial Concrete Tank Sizes, OSD and Precast Concrete Tank Sizes. Loading. ... (Gallons) Delivered/ Built on Site Tank Diameter Tank Height Hole Diameter Tank Weight; 4,000: 1,056: Delivered to site: 2.18m plus 300mm apron: 1.9m* 2.8m: 4.1 tonne: 6,000: …, Works on both interior and exterior painted, stained or bare concrete surfaces as a protective top-coat. Covers up to 1500 sq. ft. Easy to maintain, durable, long wearing, scratch and stain-resistant coating. Resistant to moisture, salt, chlorine, oil and hot tire pick-up. Applies milky white for easy application and dries completely clear., Determine the density of the sand. You can use the typical range of 1,400 to 1,600 kg/m³ (87 to 100 lb/ft³) for dry, loose sand. Adjust this value if you have information on the specific density of the sand you’re working with. Plug the volume and density values into the formula: Weight = Volume × Density. Calculate the weight of the sand., Generally speaking, a 5-gallon bucket of concrete can weigh anywhere from 40 to 60 pounds. This is because concrete mix is typically composed of sand, gravel, and cement, and each of these components …, Agree with heresjohnny. As for the final weight of cured concrete, I think you may have incorrectly interpreted the information. It takes about 1/2 gallon of water to hydrate 50 lbs. of dry concrete mix. The water adds roughly 4 lbs. to the total weight of the cured mix, not 50., The weight of 5 gallons of sand can vary, but a common estimate is around 62.5 pounds (28 kilograms) for dry clean play sand (80 to 90 pounds if wet sand). How many gallons is 50 lbs of sand There are approximately 3.745 gallons is 50 lbs of sand.As there are 1 gallon in 13.35 pounds of sand., Agree with heresjohnny. As for the final weight of cured concrete, I think you may have incorrectly interpreted the information. It takes about 1/2 gallon of water to hydrate 50 lbs. of dry concrete mix. The water adds roughly 4 lbs. to the total weight of the cured mix, not 50., A batch of concrete considered of 200 lbs fine aggregate, 350 lbs coarse aggregate, 94 lbs cement, and 5 gallons water. The specific gravity of the sand and gravel may be taken as 2.65 and that of the cement as 3.10. What is the weight in lb of concrete in place per cubic foot? a. 163 b. 173 c. 183 d. 193. Structural Analysis. 6th Edition., Concrete Bag Calculator — Volume and Weight of Concrete. Calculate. Calculation Result. 0.009 cubic feet or 0.000 cubic yards or 0.000 cubic meters. if pre-mixed concrete*, it is 1.231 lbs or 0.558 kgs. if 60 lbs per bag, it is 0.021 bags. if 80 lbs per bag, it …, For most concrete mixtures, a good rule of thumb is 150 pounds per cubic foot. You’ve moved nearly 100 pounds of concrete by filling a 5-gallon bucket. You could be pushing more than 800 pounds with a standard contractor-sized wheelbarrow. However, there are also lighter and heavier varieties available., A batch of concrete consisted of 200 lbs. fine aggregate, 350 lbs. coarse aggregate, 94 lbs., cement and 5 gallons water. The specific gravity of sand and gravel may be taken as 2.65 and that of the cement as 3.10. How much by weight of cement is required to produce one cubic yard? Final answer must be in pounds. This is a popular solution ..., For your average storm those 5 gallon pails work. 2 per leg. Just remember it's better to use water than concrete or sand. When those 75 mph ..., Calculate how much concrete or a concrete structure weighs given its volume. Concrete weighs 150 lbs per cu ft or 4,050 lbs per cu yd., 5 gallons of concrete weigh about 100.40 pounds (45.54 kg). That’s a lot of concrete, and it might be quite hard for you to carry without any carrying aid. You should expect 5 gallons of concrete to be heavy. Concrete is made up of cement, aggregate, and water., Gas prices could fall below $3 a gallon this fall if oil prices don't rally between now and then, experts forecast. By clicking "TRY IT", I agree to receive newsletters and promoti..., Dry Rodded Unit Weight = 52.2 / 0.498 = 104.82 pcf Dry rodded unit weight has a percentage of solids and voids. The percent solids can be calculated by dividing the dry rodded unit weight by the specific gravity of the aggregate multiplied by 62.4 (the weight of one cubic foot of water). The result is multiplied by 100 to convert to percentage., DRYLOK Extreme latex base masonry waterproof coating is ideal for interior, exterior, above or below grade masonry walls, basement walls, foundations, landscape walls, cinder blocks, concrete blocks, bare concrete swimming pools, stucco and brick. Features Flexible Encapsulated Polymers for a beautiful, smooth waterproof finish. Specially …, Concrete Weight per Cubic Foot • A solid slab of concrete weighs 150 pounds per cubic foot. • A cubic foot of broken concrete weighs 75 pounds. Concrete Weight per Cubic Yard • A solid slab of concrete weighs 4,050 pounds per cubic yard. • A cubic yard of broken up concrete weighs 2,025 pounds., Thus, 250 mL of water weighs 0.25 kilograms or 250 grams. 1 gram of water is equal to 0.035274 ounces, so to get a result in ounces, simply multiply the grams by 0.035274. You can also use our weight converter to convert from grams and kilograms to …, If the mix lists the water in gallons, multiply the gallons by 8.33 to find how many pounds there are in the mix. ... Use a maximum .50 water to cement ratio when concrete is exposed to freezing and thawing in a moist condition or to deicing chemicals per the 1997 Uniform Building Code. (Table 19-A-2), Calculate. Calculation Result. 0.009 cubic feet or 0.000 cubic yards or 0.000 cubic meters. if pre-mixed concrete*, it is 1.231 lbs or 0.558 kgs. if 60 lbs per bag, it is 0.021 bags. if 80 …, May 10, 2021 · A five-gallon barrel is about 2/3 of a cubic foot. That makes it 20 pounds per gallon, or 100 pounds for the entire barrel. Lighter concrete mixes can vary in weight between 90 to 110 pounds per cubic foot. This will lead to about 12 to 14 pounds per gallon. , A 5-gallon bucket of concrete typically weighs around 120 pounds (54.4 kilograms) when fully filled. However, this weight can vary depending on the specific …, A batch of concrete consisted of 200 lbs. fine aggregate, 350 lbs. coarse aggregate, 94 lbs., cement and 5 gallons water. The specific gravity of sand and gravel may be taken as 2.65 and that of the cement as 3.10. How much by weight of cement is required to produce one cubic yard? Final answer must be in pounds. This is a popular solution ..., A batch of concrete consisted of 200 lbs. fine aggregate, 350 lbs. coarse aggregate, 94 lbs., cement and 5 gallons water. The specific gravity of sand and gravel may be taken as 2.65 and that of the cement as 3.10. How much by weight of cement is required to produce one cubic yard? Final answer must be in pounds. This is a popular solution ..., 5 US gallons of concrete is equivalent 98.1 ( ~ 98) pounds. How much is 98.1 pounds of concrete in US gallons? 98.1 pounds of concrete equals 5 US gallons. Volume to Mass …, Mar 28, 2020 · Concrete weighs around 3900 pounds per cubic yard but can drop to 3500 pounds per cubic yard after the concrete dries. Wet concrete and dry concrete have slightly different weights. Water is essential to curing concrete, which makes it part of the included weight. That being said, a bucket of concrete, including the water needed to start the ... , To determine how much concrete weighs, you use the standard formula: Weight = Volume × Density First, identify the volume of concrete you need. This is …, Therefore, a 5-gallon bucket of concrete weighs around 100.5 pounds (45.6 kilograms) based on the average density of concrete. Remember that this is an estimation and the actual weight may vary depending on the …, A: Fresh concrete is heavy: A good rule of thumb is about 150 pounds/cubic foot. That translates to about 100 pounds for a 5-gallon bucket full of concrete, or as much as 800 pounds in a standard-sized contractor’s wheelbarrow load. The actual weight will vary depending on the materials and mix proportions, especially the type of coarse ..., Step 1. A concrete batch calls for the following quantities per cubic yard of concrete, based on saturated surface-dry conditions of the aggregate. Determine the required weights of each solid ingredient and the number of gallons of water required for a 6.5-cy batch. Also determine the wet unit weight of the concrete in pounds per cubic foot., How Much Does 5 Gallons Of Water Weigh – Online Calculator. By Martin Hairer / Food/Drink. Five gallons would weigh around 42lbs or 19kg because the weight of a gallon of water is 8.3496 lbs. or 3.78 kg, so five gallons would weigh around 42lbs or 19kg. This is just an approximation., You can expect an average septic tank weight to be about 273 pounds (124 kg) for plastic tanks, 395 lbs (179 kg) for fiberglass tanks, and about 10,218 lbs (4,635 kg) for concrete tanks.. How much a septic tank weighs will vary depending on its use and type. Plastic septic tanks tend to weigh between 80 to 500 lbs, fiberglass tanks weigh …