How many metric cup is 1 us cup of butter?

1 us cup of butter weighs approximately 1 metric cup. This is based on a density of 0.96 g/ml for butter.

How do I measure butter accurately?

For solid butter, use the markings on the wrapper when available. For softened butter, pack into a dry measuring cup.

Why does butter have a specific cup-to-gram conversion?

Butter has a density of 0.96 g/ml, meaning each milliliter weighs 0.96 grams. Different ingredients have different densities—for example, flour is lighter than sugar—which is why each needs its own conversion factor.

Butter

US Cup to Metric Cup

Ingredient

Amount

From

Result

0.95cup

high confidence USDA source

Butter — Quick Reference

Common us cup to metric cup conversions

Butter: US Cup to Metric Cup conversion table
US Cup	Metric Cup
¼ cup	0cup
⅓ cup	0cup
½ cup	0cup
⅔ cup	1cup
¾ cup	1cup
1 cup	1cup
1½ cups	1cup
2 cups	2cup

Based on butter density of 0.96 g/ml (packed method). Source: USDA FoodData Central.

Understanding Butter Conversions

The Math Behind This Conversion

Converting 1 us cup to metric cup is a direct volume conversion. One us cup equals 236.59ml, and one metric cup equals 250ml. So 1 us cup (236.59ml) equals 0.9 metric cup.

Measurement Tip

Butter is easiest to measure using the wrapper markings (if available) or by the displacement method: fill a 2-cup measure with 1 cup of water, then add butter until the water reaches your desired total. For example, for ½ cup butter, add butter until the water reaches 1½ cups.

About Our Data

The density value of 0.96 g/ml for butter is from the USDA FoodData Central database (ID: 173410). This measurement was taken with butter firmly packed into the measuring cup.

View source data on USDA FoodData Central (ID: 173410)

Frequently Asked Questions

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