Volume Converter

Free online volume converter

Popular volume conversions

About volume units

Volume measures space. Liter (L) and milliliter (mL) are common; gallons vary between US and Imperial systems.

  • US gallon: exactly 3.785411784 L.
  • Imperial gallon: exactly 4.54609 L.

Units in Volume Converter

  • Barrel (oil, bbl) (bbl)
    Common volume unit used in science, engineering, and daily life.
  • Cubic foot (ft³) (ft3)
    A cubic foot (ft³) measures volume in US/UK construction and HVAC systems.
  • Cubic inch (in³) (in3)
    Common volume unit used in science, engineering, and daily life.
  • Cubic meter (m³) (m3)
    A cubic meter equals 1,000 L, used for bulk materials and HVAC airflow.
  • Cup (US) (cup)
    US cup ≈ 236.6 mL; varies internationally.
  • Imperial gallon (gal UK) (gal_uk)
    Imperial gallon is 4.54609 L, used in UK for beer, milk, and fuel.
  • Liter (L) (l)
    A liter equals 1 dm³, widely used for beverages, fuel, and container labeling.
  • Milliliter (mL) (ml)
    A milliliter (mL) is 1/1000 L = 1 cm³; common for medicine and small liquid measures.
  • Pint (US pt) (pt)
    US pint = 0.473176473 L (½ quart).
  • Quart (US qt) (qt)
    US quart = 0.946352946 L (¼ gallon).
  • Tablespoon (US) (tbsp)
    US tablespoon ≈ 14.79 mL; check recipe conversions carefully.
  • Teaspoon (US) (tsp)
    US teaspoon ≈ 4.93 mL.
  • US gallon (gal) (gal)
    US gallon is exactly 3.785411784 L, used for fuel economy ratings.

Formulas and notes

Be careful with US vs Imperial gallons (3.785 L vs 4.546 L).

Quick examples

FAQ

Is volume conversion exact?
Many conversions are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Can I share a specific result?
Yes. Every converter has a clean, shareable URL like /convert/meter-to-foot/2.5.

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