Why use this calculator
Australian tablespoons are 20 ml while US tablespoons are only 14.79 ml, a difference that can ruin a recipe. This converter prevents measurement errors when following recipes from different countries.
How to use it
Enter the amount, choose the unit you are converting from, and the unit you want. The result shows the converted amount and the equivalent in millilitres.
The formula
converted = amount * (fromUnit_ml / toUnit_ml)
Worked examples
1 AU tablespoon to US tablespoons
1 AU tbsp = 1.352 US tbsp (20 ml)
3 US teaspoons to ml
3 US tsp = 14.79 ml
When people use it
- Converting Australian recipe spoon measures for US kitchens
- Adapting UK recipes that use imperial tablespoons
- Precise medication or supplement dosing by volume
- Scaling small-quantity ingredients across measurement systems
Tips
- An Australian tablespoon is 4 teaspoons, not 3 like in the US
- When a recipe just says tablespoon, check the origin country to pick the right size
- For small amounts of leavening agents, the difference between AU and US tbsp matters significantly
Questions people ask
- Why is the Australian tablespoon bigger?
- Australia adopted the metric tablespoon at 20 ml when it switched to the metric system. The US kept its customary 14.79 ml tablespoon.
- Are teaspoons the same worldwide?
- No. US teaspoons are 4.93 ml, Australian are 5 ml, and UK teaspoons are 5.92 ml. The differences are small but can add up in recipes.