Volume Unit Conversion

Enter a value in any unit below to instantly convert between various volume units.

cm³
mm³
yd³
ft³
in³
kL
L
mL
gal (UK)
gal US

Unit Conversion Relations

  • 1 cubic meter = 1 kiloliter = 1.31 cubic yard = 35.3 cubic foot
  • 1 m³ = 1 kL = 1.31 yd³ = 35.3 ft³
  • 1 kiloliter = 1000 liter = 220 gallon = 264 US gallon
  • 1 kL = 1000 L = 220 gal = 264 gal US

FAQ

  • What is volume and how is it different from area?
    Volume measures the three-dimensional space occupied by an object or substance, expressed in cubic units (m³, ft³, liters). Area measures two-dimensional space (m², ft²). Volume = Area × Height for regular shapes, making it crucial for capacity calculations, material quantities, and storage requirements.
  • Why are there different volume units for liquids and solids?
    Historically, different measurement systems developed for different purposes. Liters/gallons are convenient for liquids and everyday use, while cubic meters/feet are used for large volumes and construction. Both measure the same physical quantity but suit different scales and applications.
  • What's the difference between UK gallons and US gallons?
    UK (Imperial) gallon = 4.546 liters, while US gallon = 3.785 liters. The UK gallon is about 20% larger. This difference originated from different historical standards and affects fuel economy comparisons, recipe conversions, and equipment specifications between countries.
  • How do I calculate volume for irregular shapes?
    For irregular shapes, use water displacement method (submerge object and measure water level change), break complex shapes into simpler geometric forms, or use calculus-based integration for mathematical shapes. CAD software can calculate volumes for complex 3D models automatically.
  • What are typical volume measurements in different applications?
    Drinking glass: 250 mL, car fuel tank: 50-80 L, swimming pool: 50-100 m³, shipping container: 33-76 m³, oil barrel: 159 L (42 US gallons). These references help understand volume scales and provide context for measurements.
  • How accurate are volume unit conversions?
    Conversions use internationally defined standards with high precision. For example, 1 liter = exactly 1000 cm³ by definition, and 1 m³ = exactly 1000 liters. The calculator maintains precision suitable for engineering calculations, construction planning, and scientific applications.