Water Weight Calculator – How Much Does Water Weigh?
Find how much water weighs given a volume in teaspoons, tablespoons, cups, quarts, pints, gallons, liters, or milliliters.
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How Much Does Water Weigh?
The weight of a volume of water can be found given the density, which is the mass compared to the volume. The density of water is 1 kilogram per liter (kg/L) at 39.2°.
This means that 1 liter (L) of water weighs 1 kilogram (kg) and 1 milliliter (mL) of water weighs 1 gram (g).
In common US measures, one gallon of water weighs 8.345 pounds.
The density of water varies slightly at different temperatures which will impact the weight of for the same volume.
How to Calculate the Weight of Water
To find the weight of water, start by finding the density(1 kg/L at 39.2°) and the volume of water. Convert the volume of water to liters and then multiply by the density to find the weight. Use our volume conversion calculators to convert different volumes to liters.
volume = 10mL
volume = 10mL ÷ 1000 = .01L
density = 1 kg/L
weight = .01kg
weight = .01kg × 1000 = 10g
1 gram 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 conversion calculators to convert from grams and kilograms to pounds and ounces.
Weight of Water for Different Volumes
| Volume | Weight (oz) | Weight (lb) | Weight (g) | Weight (kg) |
|---|---|---|---|---|
| 1 teaspoon | 0.0109 lb | 0.1739 oz | 4.929 g | 0.004929 kg |
| 1 tablespoon | 0.0326 lb | 0.5216 oz | 14.787 g | 0.0148 kg |
| 1 cup | 0.5216 lb | 8.345 oz | 236.59 g | 0.2366 kg |
| 1 pint | 1.043 lb | 16.691 oz | 473.18 g | 0.4732 kg |
| 1 quart | 2.086 lb | 33.382 oz | 946.35 g | 0.9464 kg |
| 1 gallon | 8.345 lb | 133.53 oz | 3,785.4 g | 3.785 kg |
| 1 milliliter | 0.002205 lb | 0.0353 oz | 1 g | 0.001 kg |
| 1 liter | 2.205 lb | 35.274 oz | 1,000 g | 1 kg |
| 1 cubic inch | 0.0361 lb | 0.578 oz | 16.387 g | 0.0164 kg |
| 1 cubic foot | 62.428 lb | 998.85 oz | 28,317 g | 28.317 kg |
| 1 cubic yard | 1,685.6 lb | 26,969 oz | 764,555 g | 764.55 kg |
| 1 cubic centimeter | 0.002205 lb | 0.0353 oz | 1 g | 0.001 kg |
| 1 cubic meter | 2,204.6 lb | 35,274 oz | 1,000,000 g | 1,000 kg |
Density of Water
| Temperature ( °F / °C ) |
Density ( grams per cm3 ) |
|---|---|
| 32° / 0° | 0.99987 g/cm3 |
| 39.2°/4.0° | 1.00000 g/cm3 |
| 40°/4.4° | 0.99999 g/cm3 |
| 50°/10° | 0.99975 g/cm3 |
| 60°/15.6° | 0.99907 g/cm3 |
| 70°/21° | 0.99802 g/cm3 |
| 80°/26.7° | 0.99669 g/cm3 |
| 90°/32.2° | 0.99510 g/cm3 |
| 100°/37.8° | 0.99318 g/cm3 |
| 120°/48.9° | 0.98870 g/cm3 |
| 140°/60° | 0.98338 g/cm3 |
| 160°/71.1° | 0.97729 g/cm3 |
| 180°/82.2° | 0.97056 g/cm3 |
| 200°/93.3° | 0.96333 g/cm3 |
| 212°/100° | 0.95865 g/cm3 |
Working on a plumbing project? Use our pipe volume calculator to calculate the volume and weight of the water in your plumbing system.
