Volume Converter

Convert between liters, gallons, quarts, pints, cups, fluid ounces, tablespoons, cubic feet, and more.

Type a value in any field. All other units update instantly.

L
mL
ft³
in³
gal
qt
pt
cup
fl oz
tbsp
tsp

How to Use the Volume Converter

  1. Enter a volume in any unit. Type in any field and all 12 units update at once. No calculate button required.
  2. Switch freely between cooking and scientific units. The converter handles teaspoons and tablespoons for recipes up to cubic meters for tanks and engineering applications.
  3. Compare all units simultaneously. All fields remain visible, so you can see liters, gallons, and fluid ounces at the same time without toggling.
  4. Use decimals for partial amounts. For 2.5 gallons, type 2.5 in the gallon field. For half a cup (0.5 cup), type 0.5 in the cup field.

Example: a recipe calls for 1 cup of milk. Type 1 in the US Cup field to see: 236.588 mL, 0.236588 L, 8 fl oz, 16 tbsp, 48 tsp, 0.5 pt, 0.25 qt.

Volume Conversion Formulas

All conversions use liters as the base unit:

Value in liters = Input × toLiters factor
Result = Value in liters ÷ toLiters factor
UnitLiters1 liter equals
1 liter1 L1 L
1 milliliter0.001 L1,000 mL
1 cubic meter1,000 L0.001 m³
1 cubic foot28.3168 L0.035315 ft³
1 cubic inch0.016387 L61.024 in³
1 US gallon3.78541 L0.26417 gal
1 US quart0.946353 L1.05669 qt
1 US pint0.473176 L2.11338 pt
1 US cup0.236588 L4.22675 cup
1 US fluid oz0.029574 L33.814 fl oz
1 tablespoon0.014787 L67.628 tbsp
1 teaspoon0.004929 L202.884 tsp

Cooking hierarchy (US): 3 teaspoons = 1 tablespoon, 16 tablespoons = 1 cup, 2 cups = 1 pint, 2 pints = 1 quart, 4 quarts = 1 gallon. A US gallon is 3.785 L; a UK imperial gallon is 4.546 L, about 20% larger.

Frequently Asked Questions

1 US cup = 236.588 mL, commonly rounded to 237 mL or 240 mL in recipes. A US cup is defined as exactly 8 US fluid ounces. Note that an imperial cup (UK/Canada pre-1970) equals 284 mL, so older British cookbooks may differ. Most modern UK recipes use milliliters or grams rather than cups, which avoids this ambiguity entirely.

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