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.
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 | 0.1739 oz | 0.0109 lb | 4.929 g | 0.004929 kg |
| 1 tablespoon | 0.5216 oz | 0.0326 lb | 14.787 g | 0.0148 kg |
| 1 cup | 8.345 oz | 0.5216 lb | 236.59 g | 0.2366 kg |
| 1 pint | 16.691 oz | 1.043 lb | 473.18 g | 0.4732 kg |
| 1 quart | 33.382 oz | 2.086 lb | 946.35 g | 0.9464 kg |
| 1 gallon | 133.53 oz | 8.345 lb | 3,785.4 g | 3.785 kg |
| 1 milliliter | 0.0353 oz | 0.002205 lb | 1 g | 0.001 kg |
| 1 liter | 35.274 oz | 2.205 lb | 1,000 g | 1 kg |
| 1 cubic inch | 0.578 oz | 0.0361 lb | 16.387 g | 0.0164 kg |
| 1 cubic foot | 998.85 oz | 62.428 lb | 28,317 g | 28.317 kg |
| 1 cubic yard | 26,969 oz | 1,685.6 lb | 764,555 g | 764.55 kg |
| 1 cubic centimeter | 0.0353 oz | 0.002205 lb | 1 g | 0.001 kg |
| 1 cubic meter | 35,274 oz | 2,204.6 lb | 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.
