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Volume Converter — Convert capacity across liters, milliliters, US and UK gallons, cups, fluid ounces, tablespoons, teaspoons, and cubic meters.
1 US Cups = 236.588 Milliliters
1 cup = 236.588 mLUnit
Generated on May 24, 2026
A volume converter handles capacity conversions across cooking (cups, tablespoons, teaspoons, fluid ounces), chemistry (milliliters, liters), fuel economy (gallons, liters), water tanks (cubic meters, gallons), and industrial use. One of the trickiest features of volume is that the US and UK gallons are not the same size — a common source of error in international recipes and specifications. This tool handles nine common units and clearly distinguishes US and UK gallons so you always get the right answer.
Formula
Target = Source × (source_to_liters ÷ target_to_liters). 1 US gal = 3.78541 L. 1 UK gal = 4.54609 L.Volume conversions sound trivial until you're standing in your kitchen at 11pm following a YouTube baking video shot in California, and the host casually says "add 1 cup of milk" — and your measuring cup is the 250mL one your khala gave you, not the 237mL US standard. Or you're sizing a rooftop water tank in Karachi and the supplier quotes in gallons, the engineer quotes in liters, and the tanker driver quotes in cubic feet. Every single one is right; nobody is using the same unit. The single most punishing trap is the US versus UK gallon — 3.79L versus 4.55L, a 20 percent gap that has ruined more imported-recipe fuel-economy calculations than any other unit confusion in history. For everyday Pakistani cooking, the rule of thumb is: metric cup (250mL) if the recipe is Pakistani, Indian, or European; US cup (237mL) if it's American; and if it's a British recipe written before 1980, weigh it instead, because the imperial measurements are a different universe. Honest take: buy a digital kitchen scale. PKR 2,000 at Naheed, and you stop guessing forever.
A volume converter handles capacity conversions across cooking (cups, tablespoons, teaspoons, fluid ounces), chemistry (milliliters, liters), fuel economy (gallons, liters), water tanks (cubic meters, gallons), and industrial use. One of the trickiest features of volume is that the US and UK gallons are not the same size — a common source of error in international recipes and specifications. This tool handles nine common units and clearly distinguishes US and UK gallons so you always get the right answer.
The liter is the base volume unit in this converter. Every unit is stored as a factor to liters and conversions route through that base. US fluid ounces (29.5735 mL) are slightly larger than UK fluid ounces (28.4131 mL), and the US gallon is almost one-fifth smaller than the UK (imperial) gallon. Recipes from different regions may also define 'cup' differently — US cup = 237 mL, metric cup = 250 mL, Japanese cup = 200 mL. Always confirm the country of origin of a recipe before using its cup measurement literally.
Handy volume conversions for cooking, shopping, and fuel — with both US and UK gallon variants.
| Liters (L) | US Gallons | UK Gallons | US Cups | Milliliters (mL) |
|---|---|---|---|---|
| 0.25 | 0.066 | 0.055 | 1.06 | 250 |
| 0.5 | 0.132 | 0.110 | 2.11 | 500 |
| 1 | 0.264 | 0.220 | 4.23 | 1,000 |
| 2 | 0.528 | 0.440 | 8.45 | 2,000 |
| 5 | 1.321 | 1.100 | 21.13 | 5,000 |
| 10 | 2.642 | 2.200 | 42.27 | 10,000 |
| 20 | 5.283 | 4.399 | 84.54 | 20,000 |
| 50 | 13.209 | 10.998 | 211.34 | 50,000 |
| 100 | 26.417 | 21.997 | 422.68 | 100,000 |
1 liter (0.26 US gal) is about the volume of a standard water bottle or a carton of juice.
3.785 liters = 1 US gallon — the size of a jug of milk in the United States.
50 liters of water weighs 50 kg — about the weight of a small adult — a useful cross-check when sizing rooftop water tanks.
A standard bathtub holds roughly 150–200 liters (40–53 US gallons) of water when filled.
1 US gallon of milk equals 3.785 liters — useful when shopping in metric countries with US-brand recipes.
1 cup of water is approximately 237 mL in US measure (250 mL in metric measure) — a common source of baking inconsistency.
1 tablespoon equals 3 teaspoons equals 14.79 mL — the standard small-volume ratio in US recipes.
A UK gallon equals 1.2 US gallons — the same-named unit is noticeably different between the two systems.
A 2-liter soda bottle is 67.6 US fl oz — useful for comparing against US-brand bottled drinks.
A 1 m³ water tank holds 1,000 liters or 264 US gallons — important for sizing home storage tanks.
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