Australian cup
measurements.

The tablespoon problem

The tablespoon difference is more significant than the cup difference. The Australian tablespoon is 20 ml — one-third larger than the US tablespoon (15 ml). If an Australian recipe calls for "2 tablespoons of baking powder," that's 40 ml. Using a US tablespoon gives only 30 ml — a 25% shortfall that will noticeably affect the rise of baked goods.

To convert Australian tablespoons to US: multiply by 1.33. So 2 AU tablespoons = 2.67 US tablespoons ≈ 2 tablespoons + 2 teaspoons.

Does the cup difference matter?

250 ml vs 240 ml is a 4% difference per cup. For one cup of liquid, that's 10 ml — negligible. For 3 cups of flour in a cake, the difference is 30 ml worth of flour, which could shift the texture slightly but probably won't ruin the bake. For recipes that use many cups, the gap accumulates. If you're a careful baker and following an Australian recipe closely, use the 250 ml value by filling your US cup and adding 2 teaspoons more.

Australian vs US ingredient names

Most Australian ingredient names match UK names rather than US ones:

• —Plain flour = all-purpose flour
• —Caster sugar = superfine sugar
• —Icing sugar = powdered / confectioners' sugar
• —Bi-carb soda / bicarbonate of soda = baking soda
• —Thickened cream = heavy whipping cream
• —Capsicum = bell pepper
• —Eggplant = eggplant (same in AU and US; UK says "aubergine")

Oven temperatures in Australian recipes

Australian recipes use Celsius. The same conversion applies as for UK recipes: subtract 32, multiply by 5/9. Fan-forced (convection) ovens are standard in Australian home kitchens — recipes often give a "fan-forced" temperature that's about 20°C lower than the conventional setting. If your oven has a convection mode, use the fan-forced temperature; otherwise, use the conventional temperature listed.

Australian vs US can and package sizes

Australian supermarket products come in different standard sizes from US products. A standard Australian can of tomatoes is 400 g; the US equivalent is typically a 14.5 oz / 411 g can — close enough to substitute directly. A standard Australian can of coconut cream is 400 ml; US cans are 13.5 fl oz / 400 ml — also a match. Where sizes diverge: Australian block butter is 250 g, while US sticks are 113 g each (454 g per pound package). An Australian recipe calling for "250 g butter" means just over 2 US sticks.

Popular Australian ingredients without a US direct equivalent

A handful of distinctly Australian ingredients appear in recipes and have no straightforward US substitute. Vegemite (a yeast extract spread) has a close UK relative in Marmite, which is easier to source in the US; use it 1:1. Golden syrup (common in both Australian and UK baking) can be approximated with equal parts light corn syrup and molasses, or substituted with honey for a different but complementary flavour. Tim Tams (chocolate biscuits used in slices and cheesecake bases) can be replaced with Oreos. For lamington sponge, a standard vanilla butter cake is the base — the Australian name just refers to the finished dish, not a unique ingredient.