How to Convert Cooking Measurements
5 min read · Updated September 26, 2026 · by the SolveCalcPro editorial team
Recipes switch between volume and weight, and the same “cup” weighs different amounts for different ingredients. This guide explains how to convert reliably.
Volume to volume
A US cup is 236.6 ml, a tablespoon 14.8 ml and a teaspoon 4.9 ml. Metric recipes use 250 ml, 15 ml and 5 ml; Australian recipes use a 20 ml tablespoon.
Volume to weight needs the ingredient
One US cup is about 120 g of flour, 198 g of sugar, 336 g of honey and 236.6 g of water. The weights come from each ingredient’s density.
Butter and small amounts
Four tablespoons of butter is 56.49 g — half a US stick.
Oven temperatures and other kitchen conversions
Recipes also differ in oven temperature: 180 °C is about 350 °F, or gas mark 4. Fan ovens usually need about 20 °C lower than the recipe’s conventional temperature. Butter is often sold in sticks in the US (one stick is 8 tablespoons, 113 g), while elsewhere it comes in 250 g blocks. Liquids such as milk and water weigh roughly 1 g per ml, but honey and syrup are about 40% heavier than water, so a cup of honey weighs far more than a cup of milk. When a recipe lists both cups and grams, trust the grams.
Weigh when you can
Scooping packs flour and changes weights by 20% or more. A kitchen scale removes the guesswork; the cooking converter gives you the numbers to start.
Practice questions
Test yourself, then tap to check. Answers are calculated by the tools linked below.
- How many grams is 2 cups of granulated sugar (US cups)?
Show answer
2 cups of sugar in g: 396
- A recipe needs 3 cups of milk. How many millilitres?
Show answer
3 cup in mL: 709.7647095
- Convert 12 stone to kilograms.
Show answer
12 st in kg: 76.20351816
Frequently asked questions
How many grams in a cup of flour?
About 120 g for spooned-and-levelled all-purpose flour.
How many ml in a cup?
236.6 ml in the US; 250 ml in metric recipes.
Why is an Australian tablespoon bigger?
It is defined as 20 ml, versus 15 ml elsewhere.
Is a fluid ounce the same as an ounce?
No; fluid ounces measure volume, ounces measure weight.
Try it yourself
Cooking Converter (Cups, Grams, Tbsp)Convert cups, tablespoons, teaspoons, ml, grams and ounces for common ingredients, with US, metric and Australian measures.Volume ConverterConvert litres, millilitres, US gallons, quarts, pints, cups and fluid ounces for cooking and fuel.Weight ConverterConvert kilograms, pounds, ounces, stone, grams and tonnes quickly and exactly.Keep learning
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