Cups to Grams Converter
Convert US cups to grams for flour, sugar, butter, milk and more, using USDA cup weights. Your work stays on this device whenever possible.
How to use Cups to Grams Converter
- This page starts in "Cups to grams" mode.
- Pick the ingredient.
- Type the number of cups, for example 0.75 for three-quarters of a cup.
- Read the weight in grams, rounded to the nearest gram.
- Choose Custom and enter grams per cup for anything not listed.
What Cups to Grams Converter does
Convert US cups to grams for flour, sugar, butter, milk and more, using USDA cup weights.
The calculation runs in browser JavaScript from the displayed inputs. No financial, health, or personal values are submitted to ToolkitPoint. For Cups to Grams Converter, the operation is specifically to convert US cups to grams for flour, sugar, butter, milk and more, using USDA cup weights.
Worked example
A US recipe asks for 2 1/4 cups of all-purpose flour. Enter 2.25 with all-purpose flour selected and the tool returns 281 g, using the USDA weight of 125 g per spooned and leveled cup.
When Cups to Grams Converter is the right tool
- Weighing ingredients for an American recipe on a kitchen scale.
- Scaling baking recipes accurately by weight.
How to verify the result
Change one input and confirm the result moves in the direction you expect. For money, also reproduce one simple case by hand. The final Cups to Grams Converter output should visibly match this goal: Convert US cups to grams for flour, sugar, butter, milk and more, using USDA cup weights.
Important limitations
The result is an estimate, not professional financial, medical, tax, engineering, or legal advice. Local rules and rounding conventions can differ. This matters here because Cups to Grams Converter is designed to convert US cups to grams for flour, sugar, butter, milk and more, using USDA cup weights, not to repair unrelated source problems.
A free Cups to Grams Converter alternative
People looking for Cups to Grams Converter often compare products such as Calculator.net, WolframAlpha. ToolkitPoint is not affiliated with those services. This page keeps convert us cups to grams for flour, sugar, butter, milk and more, using usda cup weights free and available without an account; features, limits, and policies on other products can change, so compare their current product pages before choosing.
Last updated: September 27, 2026
Frequently asked questions
How many grams is one cup of flour?
About 125 g for spooned-and-leveled all-purpose flour by USDA figures. A scooped cup can weigh 150 g or more, which is why weighing is more reliable.
How many grams is a cup of sugar?
About 200 g for granulated sugar, 220 g for packed brown sugar and 120 g for unsifted powdered sugar.
How do I enter fractions of a cup?
Type decimals: 0.25 for 1/4, 0.33 for 1/3, 0.5 for 1/2 and 0.75 for 3/4.
Does this use US or metric cups?
US cups of 236.6 mL. A metric cup (250 mL) holds about 6 percent more, so multiply the grams by about 1.06 for a metric-cup recipe.
Can I convert grams back to cups?
Yes. Switch "Convert" to "Grams to cups" on the same page.