Kitchen conversion
Milk Weight Calculator
See how much a cup, quart, gallon or litre of milk weighs. Milk is slightly heavier than water.
It weighs about
8.6 lb
1 gallon of milk = 3.9 kg
Pounds8.6
Ounces138
Kilograms3.9
Grams3,899
Milk weight chart
| Volume | Pounds | Kilograms |
|---|---|---|
| 1 cup (US) | 0.54 lb | 0.24 kg |
| 1 pint (US) | 1.07 lb | 0.49 kg |
| 1 quart (US) | 2.15 lb | 0.97 kg |
| 1 half gallon (US) | 4.3 lb | 1.95 kg |
| 1 gallon (US) | 8.6 lb | 3.9 kg |
| 1 L | 2.27 lb | 1.03 kg |
How this is calculated
Weight = volume × density. Milk’s density is about 1.026 to 1.034 g/mL depending on fat content and temperature, so this uses 1.03 g/mL. That makes a US gallon about 8.6 lb (3.9 kg).
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