Volume · Unit Converter

Convert US Cup to Liter

Convert us cups to liters instantly. 1 us cup = 0.2365882365 liter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Liter to US Cup converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Jaya Christiyan K G, Ph.D.
Volume category 2 min read Published Last reviewed Updated

Units explained

US Customary (Liquid)

US Cup

What is a us cup?

A US customary cup is one sixteenth of a US gallon (236.588 mL).

Origin of the us cup

Standardized for American cooking; distinct from the 240 mL US legal cup and the 250 mL metric cup.

Where it is used

The standard US cooking-volume unit in recipes.

When and where it was developed

US customary cooking measure.

Metric / SI

Liter

What is a liter?

The liter is a metric unit of volume equal to one cubic decimeter (0.001 m³). It is the everyday metric volume unit.

Origin of the liter

Introduced in France in 1795; redefined in 1964 as exactly one cubic decimeter.

Where it is used

The world's common unit for beverages, fuel, and household liquids.

When and where it was developed

France, 1795; CGPM 1964.

US Cup to Liter conversion formula

The relationship between us cups and liters:

1 cup = 0.2365882365 L
1 L = 4.2267528377 cup

To convert us cups to liters, multiply the value in us cups by 0.2365882365. To reverse, multiply liters by 4.2267528377.

How to use this converter

Type a value into the calculator. The result in liters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Liter to US Cup converter for the reverse direction.

Step-by-step: convert us cups to liters

  1. Write down the value in us cups (cup).
  2. Multiply that value by the factor 0.2365882365.
  3. The product is the equivalent value in liters (L).
  4. To reverse, multiply the liter value by 4.2267528377.

Worked examples

Example 1 — Convert 1 cup to L:
1 × 0.2365882365 = 0.2365882365 L

Example 2 — Convert 100 cup to L:
100 × 0.2365882365 = 23.65882365 L

Real-world example — Plastic film and laminate thickness

A 500-us cup sheet is a typical spec for ID-card laminates and film overlays. Converting to liters aligns the value with the unit most CAD systems and material datasheets prefer.

500 cup × 0.2365882365 = 118.29411825 L

Real-world example — Packaging gauge

A 4-us cup plastic bag thickness is a common spec for grocery and freezer bags. Converting from us cups to liters is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 cup × 0.2365882365 = 0.946352946 L

US Cup to Liter conversion table

Standard reference values for converting us cups to liters:

US Cup [cup]Liter [L]
0.010.0023658824
0.10.0236588237
10.2365882365
20.473176473
30.7097647095
40.946352946
51.1829411825
102.365882365
204.73176473
307.097647095
409.46352946
5011.829411825
10023.65882365
500118.29411825
1000236.5882365

Frequently asked questions

How many liters is 1 us cup?
1 us cup equals 0.2365882365 liter.
How do I convert us cups to liters?
Multiply the value in us cups by 0.2365882365 to get liters.
How do I convert liters back to us cups?
Multiply the value in liters by 4.2267528377, or use the Liter to US Cup converter.
How many liters is 100 us cups?
100 us cups equals 23.65882365 liters, because 100 × 0.2365882365 = 23.65882365.

Convert US Cup to other volume units

Show all US Cup conversions

Sources & references

Conversion factor (1 cup = 0.2365882365 L) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.