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Baking Measurement Conversions

Many recipes — especially American ones — use cups rather than grams. Since different ingredients weigh different amounts per cup, you can't simply convert by volume. This reference covers the most common conversions you'll need in your kitchen.

Cups to Grams — Common Ingredients

Ingredient1 Cup (g)½ Cup (g)¼ Cup (g)
Plain flour1256331
Self-raising flour1256331
Bread flour (strong)1306533
Caster sugar20010050
Granulated sugar20010050
Icing sugar1206030
Brown sugar (packed)22011055
Butter22711457
Cocoa powder1005025
Ground almonds964824
Oats (rolled)904523
Honey / golden syrup34017085
Milk24012060

Tablespoon & Teaspoon Conversions

MeasuremlEquivalent
1 teaspoon (tsp)5 ml
1 dessertspoon10 ml2 teaspoons
1 tablespoon (tbsp)15 ml3 teaspoons
1 fluid ounce28 ml~2 tablespoons
1 US cup237 ml16 tablespoons

UK and Australian tablespoons are 15 ml. US tablespoons are also 15 ml, but older US recipes may use 14.8 ml.

UK Egg Sizes by Weight

UK SizeWeight (in shell)Approx. Without ShellNotes
Small (S)Under 53 g~44 gRarely specified in recipes
Medium (M)53–63 g~50 gMost UK recipes assume medium
Large (L)63–73 g~58 gUS "large" — check American recipes
Very Large (XL)73 g and over~66 gSometimes sold as "extra large"

Most UK baking recipes call for medium eggs unless otherwise stated. American recipes typically use large eggs, which are closer to UK large. When precision matters, weigh your eggs without shells.

Online Conversion Calculators

For instant, precise conversions use our free tools:

All cup measurements use the standard US cup (237 ml). Flour weights assume the spoon-and-level method (not scooped). For best results in baking, always weigh ingredients with digital scales.