Volume Converter
Convert between Volume units. Choose from 45 different units including Cubic Meters, Liters, Milliliters.
Popular Conversions
Fun & Unusual
All Units
| From | Cubic Meters (m³) |
|---|---|
| Cubic Meters (m³) | 1 |
| Liters (L) | 0.001 |
| Milliliters (mL) | 0.000001 |
| Centiliters (cL) | 0.00001 |
| Deciliters (dL) | 0.0001 |
| Hectoliters (hL) | 0.1 |
| Cubic Centimeters (cm³) | 0.000001 |
| Cubic Millimeters (mm³) | 1e-9 |
| Cubic Kilometers (km³) | 1000000000 |
| US Gallons (gal) | 0.003785412 |
| US Quarts (qt) | 0.000946353 |
| US Pints (pt) | 0.000473176 |
| US Cups (cup) | 0.000236588 |
| US Fluid Ounces (fl oz) | 0.0000295735 |
| US Tablespoons (tbsp) | 0.0000147868 |
| US Teaspoons (tsp) | 0.00000492892 |
| Imperial Gallons (gal (UK)) | 0.00454609 |
| Imperial Quarts (qt (UK)) | 0.001136523 |
| Imperial Pints (pt (UK)) | 0.000568261 |
| Imperial Fluid Ounces (fl oz (UK)) | 0.0000284131 |
| Cubic Feet (ft³) | 0.028316847 |
| Cubic Inches (in³) | 0.0000163871 |
| Cubic Yards (yd³) | 0.764554858 |
| Oil Barrels (bbl) | 0.158987295 |
| Acre-Feet (ac·ft) | 1233.482 |
| Shō (升) | 0.0018039 |
| Gō (合) | 0.00018039 |
| To (斗) | 0.018039 |
| Koku (石) | 0.18039 |
| Sheng (升) | 0.001 |
| Dou (斗) | 0.01 |
| Dan (石) | 0.1 |
| Doe (되) | 0.0018039 |
| Mal (말) | 0.018039 |
| Sat (สัด) | 0.02 |
| Thang (ถัง) | 0.02 |
| Ser (सेर) | 0.0009331 |
| Pao (पाव) | 0.00023327 |
| Maund (मन) | 0.037324 |
| Olympic Swimming Pools (🏊) | 2.5 |
| Bathtubs (🛁) | 0.0003 |
| Beer Pints (🍺) | 0.000568 |
| Shot Glasses (🥃) | 0.000044 |
| Wine Bottles (🍷) | 0.00075 |
| Big Gulps (🥤) | 0.000946 |
Three dimensions, many vessels
Volume is the room a substance occupies — solid, liquid, or gas. The SI base is the cubic meter, but daily life rarely uses it. Kitchens reach for milliliters, cups, and tablespoons; oil traders quote barrels of 42 U.S. gallons; hydrologists log reservoirs in acre-feet, the volume that would cover one acre to a depth of one foot. A single dimension can describe both a vaccine dose and a hydroelectric dam.
A patchwork inheritance
Britain consolidated its messy medieval measures into the Imperial gallon in 1824, defined as the space occupied by ten pounds of water at a specified temperature — about 4.546 liters. The young United States, having gone its own way, kept the older Queen Anne wine gallon of 231 cubic inches, equal to 3.785 liters. That divergence still trips up travelers and engineers two centuries later.
East Asia developed parallel systems. Japan's shō (about 1.8 liters) sits inside a graceful decimal-ish ladder: ten gō to a shō, ten shō to a to, ten to to a koku — the koku, around 180 liters of rice, once measured a samurai's annual stipend. China's sheng and dou followed similar logic.
Volume in the wild
Pharmacists dispense in milliliters. Brewers and vintners juggle hectoliters. Shipping firms quote container capacity in cubic meters and cubic feet. Engine displacement still runs in liters in Europe and cubic inches in vintage American muscle. The koku survives in Japanese sake culture as a poetic unit of brewery output.
Where measurements diverge
The infamous trap is the gallon itself:
- 1 U.S. gallon = 3.785 L; 1 Imperial gallon = 4.546 L — a 20% gap that wrecks fuel-economy comparisons between U.S. and U.K. car magazines.
- U.S. and Imperial fluid ounces are also different sizes (29.57 mL vs 28.41 mL), and a U.S. pint is 16 fl oz while an Imperial pint is 20.
- A cubic foot is roughly 28.32 liters, not three times a linear foot in liters — like area, volume conversions cube the linear factor.
- The oil barrel (42 U.S. gallons) differs from the U.S. liquid barrel (31.5 gallons) and the U.S. dry barrel (about 115.6 liters).