Grams to Cups Converter

Quick answer

The grams to cups converter turns grams (or ounces) of flour, sugar, butter, milk, oats, rice, honey and many other ingredients into cups – US, US legal, metric or imperial – and back.

Cups
Tablespoons
33.3
Millilitres
493

Recipes from Europe and Australia use grams or metric cups (250 ml); American recipes use 236.6 ml cups. Choosing the right cup size and ingredient makes the conversion accurate to within a few grams.

How to use the Grams to Cups Converter

  1. Ingredient
  2. Grams per US cup (custom ingredient)
  3. Weight
  4. Cup size
  5. Every result field is editable: type into Cups and Weight plus every other field update to match.

Results update as you type, and every field accepts the units shown in its menu.

How it works

Choose the ingredient and cup size, then enter the weight in grams (or type cups into the result).

Inputs explained

Field What to enter
Ingredient Choose one: Water, Milk, Buttermilk, Heavy cream (36–40% fat) …
Grams per US cup (custom ingredient) A number
Weight Units: g, oz, lb, kg
Cup size Choose one: US cup (236.6 ml), US legal cup (240 ml), Metric cup (250 ml), Imperial cup (284 ml)

Example values

How the main result changes when Weight changes and everything else stays at the example values above:

Weight (g) Cups
125 1.042
187.5 1.562
250 2.083
312.5 2.604
375 3.125
500 4.167

Formula

Cups = grams ÷ (density × cup volume) Density = grams per US cup ÷ 236.6 ml

Worked example

Inputs — Ingredient: All-purpose flour; Weight: 250 g; Cup size: US cup (236.6 ml).
Results — Cups = 2.083; Tablespoons = 33.3; Millilitres = 493.

Frequently asked questions

How many cups is 100 g of flour?

Just over ¾ cup (0.83 US cup) of all-purpose flour.

How many cups is 250 g of sugar?

About 1¼ US cups of granulated sugar.

How many grams in a metric cup of flour?

About 127 g.

Sources

  1. King Arthur Baking – Ingredient weight chart

Cite this calculator

Speedy Calculator. (2026). Grams to Cups Converter. Speedy Calculator. https://speedycalculator.com/calculators/food/grams-to-cups/