Volume Converter
Convert between liters, gallons, cups, fluid ounces, cubic meters, and more volume units.
Quick Reference — 1 unit = ? Liter (L)
| Unit | Value |
|---|---|
| Cubic Meter (m³) | 1000 |
| Liter (L) | 1 |
| Milliliter (mL) | 0.001 |
| Cubic Centimeter (cm³) | 0.001 |
| US Gallon (gal) | 3.78541 |
| US Quart (qt) | 0.946353 |
| US Pint (pt) | 0.473176 |
| US Cup | 0.236588 |
Formula
Multiply by (from factor / to factor)
Everyday Uses
Cups, liters, and gallons
US recipes speak cups, your measuring jug speaks milliliters — convert so soups and batters come out right.
Fuel abroad
Gas priced per liter versus per gallon hides the real cost — convert to compare what you actually pay at home.
Aquarium and pool dosing
Treatments dose per gallon; your tank is in liters. Convert volume before adding chemicals — overdosing harms fish.
Airport liquid limits
100 ml limits versus fluid-ounce bottle labels — check which containers clear security before you pack.
Frequently Asked Questions
How many milliliters are in a liter, and how does mL relate to cm³?
1 liter = 1,000 mL exactly. 1 mL = 1 cm³ (cubic centimetre) = 1 cc — these are interchangeable for liquid measurements. 1 liter = 1 dm³ (cubic decimetre). Common cooking: 1 US cup = 236.6 mL; 1 tablespoon = 14.79 mL; 1 teaspoon = 4.93 mL. A standard 330 mL can of soda holds about 1.4 cups; a 750 mL wine bottle holds exactly 3⅓ US cups.
What is the difference between US gallons and imperial (UK) gallons?
1 US gallon = 3.785 liters. 1 UK/imperial gallon = 4.546 liters — about 20% larger. So 1 UK gallon ≈ 1.2 US gallons. This matters significantly for fuel economy: a car rated at 30 UK MPG is not the same as 30 US MPG — it would be about 25 US MPG. The US also uses different quarts and pints: 1 US quart = 0.946 L; 1 UK quart = 1.136 L; 1 US pint = 473 mL; 1 UK pint = 568 mL (why a UK pint of beer is bigger than a US pint).
How do you convert cups, tablespoons, and teaspoons for cooking?
US volume hierarchy: 1 cup = 16 tablespoons = 48 teaspoons = 8 fl oz = 236.6 mL. ½ cup = 8 tbsp = 118.3 mL. ¼ cup = 4 tbsp = 59.1 mL. 1 tablespoon = 3 teaspoons = 14.79 mL. 1 teaspoon = 4.93 mL. When scaling recipes, use these ratios to work up or down. Note: UK and Australian cups differ slightly (250 mL vs 236.6 mL US), which can matter in baking.
How do you convert liters to cubic feet or cubic meters?
1 liter = 0.001 m³. 1 m³ = 1,000 liters. 1 liter = 0.0353 cubic feet. 1 cubic foot = 28.317 liters. 1 cubic meter = 35.31 cubic feet. Uses: a 200-liter barrel = 0.2 m³ = 7.06 cubic feet. A standard bathtub holds about 300 liters (0.3 m³). An Olympic swimming pool = 2,500 m³ = 2,500,000 liters. Home water tanks are often sized in cubic metres: 1 m³ = 1,000 liters = 264.2 US gallons.
What are common volume benchmarks for everyday reference?
Everyday volume references: 1 teaspoon = 5 mL. 1 tablespoon = 15 mL. 1 fl oz = 29.6 mL. 1 cup = 237 mL. 1 pint (US) = 473 mL. 1 quart (US) = 946 mL. 1 liter = 33.8 fl oz. 1 gallon (US) = 3.785 L. A standard wine glass holds 150–250 mL. A shot glass = 44 mL (1.5 fl oz). A 2-liter soda bottle = 67.6 fl oz ≈ 4.2 pints. A car fuel tank (medium sedan) ≈ 50–60 liters = 13–16 US gallons.