24 units across 6 measurement systems — metric, US, UK, Chinese, Japanese & dry measures
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| Unit | Symbol | System | 1 Unit = (in mL) |
|---|---|---|---|
| Cubic Metre | m³ | Metric (SI) | 1,000,000 |
| Litre | L | Metric | 1,000 |
| Millilitre | mL | Metric | 1 |
| 石 (Dan) | 市石 | Chinese Traditional | 100,000 (100 L) |
| 斗 (Dou) | 市斗 | Chinese Traditional | 10,000 (10 L) |
| 升 (Sheng) | 市升 | Chinese Traditional | 1,000 (1 L) |
| 合 (Ge) | 合 | Chinese Traditional | 100 |
| US Gallon | gal (US) | US Liquid | 3,785.41 |
| US Quart | qt (US) | US Liquid | 946.35 |
| US Pint | pt (US) | US Liquid | 473.18 |
| US Cup | cup (US) | US Liquid | 236.59 |
| US Fluid Ounce | fl oz (US) | US Liquid | 29.5735 |
| US Tablespoon | tbsp (US) | US Liquid | 14.7868 |
| US Teaspoon | tsp (US) | US Liquid | 4.92892 |
| UK Gallon | gal (UK) | UK Imperial | 4,546.09 |
| UK Quart | qt (UK) | UK Imperial | 1,136.52 |
| UK Pint | pt (UK) | UK Imperial | 568.26 |
| UK Fluid Ounce | fl oz (UK) | UK Imperial | 28.4131 |
| 日斗 (To) | 斗 (日) | Japanese | 18,039 (18.04 L) |
| 日升 (Shō) | 升 (日) | Japanese | 1,803.9 |
| 日合 (Gō) | 合 (日) | Japanese | 180.39 |
| US Bushel | bu (US) | US Dry | 35,239.1 |
| US Dry Quart | dry qt (US) | US Dry | 1,101.22 |
| US Dry Pint | dry pt (US) | US Dry | 550.61 |
A US gallon = 3.785 liters. A UK (Imperial) gallon = 4.546 liters — about 20% larger. When a British recipe calls for "a gallon of milk" and an American cook follows it, the result will be wrong by a fifth. This difference cascades through every derived unit: a UK pint (568 mL) is 20% larger than a US pint (473 mL). A UK fluid ounce (28.4 mL) is actually slightly smaller than a US fluid ounce (29.6 mL) — the only imperial liquid unit that is smaller than its US counterpart. The historical root: the US retained the British Queen Anne wine gallon of 231 cubic inches after independence, while the UK redefined its gallon in 1824 as the volume of 10 pounds of distilled water at 62°F. Two centuries later, both systems persist — and this converter shows them side by side so the difference is immediately visible.
Chinese traditional volume units form a perfectly decimal system that predates the metric system by millennia: 1 dan (石) = 10 dou (斗) = 100 sheng (升) = 1000 ge (合). Since 1959, the PRC aligned these with the liter: 1 sheng = 1 liter exactly, making 1 dou = 10 L and 1 dan = 100 L. Historical Chinese texts from the Han Dynasty already used these units for grain measurement — the Shuo Yuan (说苑, ~17 BCE) defines them by counting millet grains: 1,200 grains = 1 yue (龠), 10 yue = 1 ge, 10 ge = 1 sheng, and so on. This means the decimal structure of Chinese volume measurement is over 2,000 years old — older than the metric system by two millennia.
Japan preserved the older, larger Chinese volume units that China itself abandoned. 1 Japanese gō (合) = 180.39 mL — this is the standard sake serving size. Order "ichi-gō" (一合) of sake and you get exactly 180 mL, traditionally served in a tokkuri flask with a little extra as hospitality. 1 Japanese shō (升) = 10 gō = 1.804 L — the classic sake bottle (isshōbin, 一升瓶). 1 Japanese to (斗) = 10 shō = 18.04 L — the wholesale unit for sake breweries. Note: the same character 升 reads as sheng (1 L) in Chinese but shō (1.8 L) in Japanese — nearly double the volume for the same written word. This converter distinguishes them clearly.
Converting recipes between countries means navigating three incompatible tablespoon standards: US tablespoon = 14.79 mL, UK tablespoon = 15 mL, and Australian tablespoon = 20 mL (a full third larger than the US version). A recipe calling for "3 tablespoons of olive oil" could mean anywhere from 44 mL to 60 mL. The US cup (236.6 mL) is different from the metric cup (250 mL) used in Australia and New Zealand, and the Japanese cup (200 mL) used for rice cooking. These differences might seem small, but in baking — where ratios are chemistry, not suggestions — using the wrong tablespoon can ruin a cake. This converter uses US standard cooking measures; always verify which system your recipe author assumed.
| From | To | Multiply By | Example |
|---|---|---|---|
| US Gallons | Litres | × 3.78541 | 10 US gal = 37.85 L |
| UK Gallons | Litres | × 4.54609 | 10 UK gal = 45.46 L |
| US Gallons | UK Gallons | × 0.83267 | 10 US gal = 8.33 UK gal |
| UK Gallons | US Gallons | × 1.20095 | 10 UK gal = 12.01 US gal |
| UK Pints | US Pints | × 1.20095 | 1 UK pt = 1.20 US pt |
| Dou (斗) | Litres | × 10 | 5斗 = 50 L |
| Dou (斗) | US Gallons | × 2.64172 | 5斗 = 13.21 US gal |
| Sheng (升) | US Cups | × 4.22675 | 2升 = 8.45 US cups |
| Japanese Gō (合) | Millilitres | × 180.39 | 1合 = 180.4 mL |
| Japanese Shō (升) | Litres | × 1.8039 | 1日升 = 1.804 L |
| US Cups | Millilitres | × 236.588 | 2 cups = 473 mL |
| US Tablespoons | Millilitres | × 14.7868 | 3 tbsp = 44.4 mL |
Enter your value in the US Gallon field. The Litre field updates instantly. 1 US gallon = 3.785 liters. A standard US gas tank of 15 gallons holds 56.8 L. For quick estimates: gallons × 4 ≈ liters (roughly).
1 US gallon = 3.785 L. 1 UK gallon = 4.546 L. The UK gallon is ~20% larger. This converter shows both side by side — the difference is immediately visible. This matters for fuel economy comparisons (30 US MPG ≈ 36 UK MPG), international recipes, and understanding car specs from different markets. See the detailed explanation above.
In modern China: 1 sheng (升) = 1 liter exactly, 1 dou (斗) = 10 liters, 1 dan (石) = 100 liters. The Chinese system is perfectly decimal and was aligned with the metric system in 1959. Type your value in the dou or sheng field and see all metric and imperial equivalents instantly.
1 Japanese gō (合) = 180.39 mL — the standard sake serving size. 1 Japanese shō (升) = 10 gō = 1.804 L (a standard sake bottle). Important: the same character 升 means 1 L in Chinese but 1.8 L in Japanese — this converter shows both clearly labeled so you can see the difference.
1 US tablespoon = 14.79 mL. 1 US cup = 236.6 mL = 16 tbsp = 48 tsp. This converter uses US standard measures. Important: UK and Australian tablespoons are different (15 mL and 20 mL respectively). When translating international recipes, always verify which tablespoon the author used. Baking is chemistry — the difference matters.