Volume · Unit Converter

Convert Liter to US Cup

Convert liters to us cups instantly. 1 liter = 4.2267528377 us cup — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Cup to Liter 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

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 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.

Liter to US Cup conversion formula

The relationship between liters and us cups:

1 L = 4.2267528377 cup
1 cup = 0.2365882365 L

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

How to use this converter

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

Step-by-step: convert liters to us cups

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

Worked examples

Example 1 — Convert 1 L to cup:
1 × 4.2267528377 = 4.2267528377 cup

Example 2 — Convert 100 L to cup:
100 × 4.2267528377 = 422.675283773 cup

Real-world example — Adjacent metric sub-units

One liter equals 1,000 us cups. Engineers move between these scales constantly: PCB feature sizes in the larger unit, wire-bond diameters in the smaller.

1 L × 4.2267528377 = 4.2267528377 cup

Real-world example — Adjacent small-scale precision

One liter equals 1,000 us cups — the standard sub-millimeter precision conversion that materials engineers use whenever they switch between bulk material thickness specs (larger unit) and surface-finish characteristics (smaller unit).

1 L × 4.2267528377 = 4.2267528377 cup

Liter to US Cup conversion table

Standard reference values for converting liters to us cups:

Liter [L]US Cup [cup]
0.010.0422675284
0.10.4226752838
14.2267528377
28.4535056755
312.6802585132
416.9070113509
521.1337641887
1042.2675283773
2084.5350567546
30126.8025851319
40169.0701135092
50211.3376418865
100422.675283773
5002113.3764188652
10004226.7528377304

Frequently asked questions

How many us cups is 1 liter?
1 liter equals 4.2267528377 us cup.
How do I convert liters to us cups?
Multiply the value in liters by 4.2267528377 to get us cups.
How do I convert us cups back to liters?
Multiply the value in us cups by 0.2365882365, or use the US Cup to Liter converter.
How many us cups is 100 liters?
100 liters equals 422.675283773 us cups, because 100 × 4.2267528377 = 422.675283773.

Convert Liter to other volume units

Show all Liter conversions
Metric / SI (13 units)
US Customary (Liquid) (15 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Industrial / Specialized (6 units)

Sources & references

Conversion factor (1 L = 4.2267528377 cup) verified against the following authoritative sources:

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