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Convert Cups to Liters

Instantly convert Cups (cup) to Liters (L) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Formula: cup to Lmultiply by 0.236588

Reference Table

Cups (cup)Liters (L)
10.236588
51.18294
102.36588
255.9147
5011.8294
10023.6588

How to Convert Cups to Liters

Formula

To convert Cups (cup) to Liters (L): multiply by 0.236588

Step-by-Step

  1. Start with your value in Cups (cup).
  2. Multiply by 0.236588 to perform the conversion.
  3. The result is your value expressed in Liters (L).

Conversion Factor

1 cup = 0.236588 L

Reverse Factor

1 L = 4.22676 cup

Worked Example

Convert 25 Cups to Liters: 25 cup = 5.9147 L

About Cup (cup)

A US customary unit of volume equal to exactly 8 US fluid ounces or ≈ 236.588 mL. Cups are the dominant measurement unit in American home cooking and published US recipes per the USDA Recipe Standardization guidelines and most major US recipe-publishers (Food Network, NYT Cooking, Bon Appétit, Joy of Cooking): a standard US measuring cup set includes 1, 1/2, 1/3, and 1/4 cup nesting scoops. Outside North America, recipes typically use grams (solids) and millilitres (liquids), making cup → mL one of the most-needed kitchen conversions for international cooks working from American cookbooks. **Important**: cup sizes are NOT internationally uniform — the US cup is 236.6 mL, the Imperial cup (UK) is 284 mL but rarely used in modern UK recipes, the metric cup (Australia, NZ) is 250 mL, and the Japanese cup (gō, 合) is 180 mL. A recipe saying '1 cup' without identifying its origin can lead to ±25% measurement errors, especially impactful in baking where ratios matter.

About Liter (L)

A metric unit of volume equal to exactly 0.001 cubic meters (one cubic decimeter), defined by the BIPM since 1964. The litre is accepted for use with the SI per the BIPM SI Brochure and is the global standard for beverages and beverage labelling under the EU Food Information to Consumers Regulation 1169/2011 and Codex Alimentarius, fuel economy (km/L outside North America), automotive engine displacement (e.g., '3.0 L turbo'), medical fluid volumes (TPN bags, IV fluids, blood volume), industrial chemical-process material balances (Aspen HYSYS / CHEMCAD default volumetric unit alongside m³), and HVAC/plumbing flow specs. Reference values: a standard wine bottle is 0.75 L, a Coke can 0.33 L, a US half-gallon ~1.89 L, a midsize-car fuel tank 50-70 L, a household water heater 150-300 L, a standard IBC industrial-chemical tote 1,000 L. One litre of pure water at 4 °C and 1 atm weighs almost exactly 1 kg — a deliberate design feature of the original metric system. 1 L = 1,000 mL = 1,000 cm³ = 1 dm³ = 0.2642 US gal = 33.81 US fl oz.

Quick Facts

  • 1 Cup equals 0.236588 Liters
  • 1 Liter equals 4.22676 Cups
  • Cup is a unit of volume
  • Liter is a unit of volume
  • This conversion is commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement
  • The Cup belongs to the imperial system
  • The Liter belongs to the metric system

Common Cup to Liter Conversions

Cups (cup)Liters (L)
0.010.00236588
0.10.0236588
0.250.059147
0.50.118294
10.236588
20.473176
30.709764
51.18294
102.36588
153.54882
204.73176
255.9147
5011.8294
7517.7441
10023.6588
25059.147
500118.294
1000236.588
50001182.94
100002365.88

Understanding Cups

The Cup (symbol: cup) is a unit of volume. A US customary unit of volume equal to exactly 8 US fluid ounces or ≈ 236.588 mL. Cups are the dominant measurement unit in American home cooking and published US recipes per the USDA Recipe Standardization guidelines and most major US recipe-publishers (Food Network, NYT Cooking, Bon Appétit, Joy of Cooking): a standard US measuring cup set includes 1, 1/2, 1/3, and 1/4 cup nesting scoops. Outside North America, recipes typically use grams (solids) and millilitres (liquids), making cup → mL one of the most-needed kitchen conversions for international cooks working from American cookbooks. **Important**: cup sizes are NOT internationally uniform — the US cup is 236.6 mL, the Imperial cup (UK) is 284 mL but rarely used in modern UK recipes, the metric cup (Australia, NZ) is 250 mL, and the Japanese cup (gō, 合) is 180 mL. A recipe saying '1 cup' without identifying its origin can lead to ±25% measurement errors, especially impactful in baking where ratios matter.

It belongs to the imperial measurement system.

Cups are commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement.

Understanding Liters

The Liter (symbol: L) is a unit of volume. A metric unit of volume equal to exactly 0.001 cubic meters (one cubic decimeter), defined by the BIPM since 1964. The litre is accepted for use with the SI per the BIPM SI Brochure and is the global standard for beverages and beverage labelling under the EU Food Information to Consumers Regulation 1169/2011 and Codex Alimentarius, fuel economy (km/L outside North America), automotive engine displacement (e.g., '3.0 L turbo'), medical fluid volumes (TPN bags, IV fluids, blood volume), industrial chemical-process material balances (Aspen HYSYS / CHEMCAD default volumetric unit alongside m³), and HVAC/plumbing flow specs. Reference values: a standard wine bottle is 0.75 L, a Coke can 0.33 L, a US half-gallon ~1.89 L, a midsize-car fuel tank 50-70 L, a household water heater 150-300 L, a standard IBC industrial-chemical tote 1,000 L. One litre of pure water at 4 °C and 1 atm weighs almost exactly 1 kg — a deliberate design feature of the original metric system. 1 L = 1,000 mL = 1,000 cm³ = 1 dm³ = 0.2642 US gal = 33.81 US fl oz.

It belongs to the metric measurement system.

Liters are commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement.

Why Convert Cups to Liters?

Volume conversions between Cups and Liters are essential in cooking, chemistry, and fluid mechanics. Recipes from different countries use different measurement systems, laboratory procedures reference varying units, and engineers designing fluid systems need precise volume calculations for pipes, tanks, and pumps.

Frequently Asked Questions

How do I convert Cups to Liters?

A US customary unit of volume equal to exactly 8 US fluid ounces or ≈ 236. To convert Cups to Liters, multiply by 0.236588. For example, 25 cup equals 5.9147 L.

How many Liters are in 1 Cup?

There are 0.236588 Liters in 1 Cup.

How many Cups are in 1 Liter?

There are 4.22676 Cups in 1 Liter.

What is the formula for Cup to Liter conversion?

The formula is: multiply by 0.236588. This means 1 cup = 0.236588 L.

Is a Cup bigger than a Liter?

Yes. One Cup is larger than one Liter because 1 cup equals 0.236588 L, which is less than 1.

When do you need to convert between Cups and Liters?

A metric unit of volume equal to exactly 0. Cup and Liter are both volume units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.

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