Recipe Fraction Calculator
Halve, double, or scale any fraction to measurements you actually own — cups, tablespoons, teaspoons.
Ever tried to halve a recipe that calls for 1/3 cup of something? The math gets tricky fast. Our recipe fraction calculator does it for you — just enter your fraction, pick your scale, and get a practical measurement you can actually use in the kitchen.
Single measurement
Enter a fraction, pick a unit, and choose how to scale it.
Full recipe scaler
Add every ingredient, then pick one scale to convert them all at once.
Common recipe fraction questions
How do I halve 1/3 cup?
Half of 1/3 cup is 2 tablespoons + 2 teaspoons. Most people don't own a 1/6 cup measure, so this is the practical kitchen equivalent.
What is 2/3 cup doubled?
2/3 cup doubled is 1 and 1/3 cups.
How do I scale a recipe to half?
Enter each ingredient fraction into the full recipe scaler above, select "Half" and hit Scale Recipe — it converts everything at once.
What is 3/4 cup halved?
3/4 cup halved is 6 tablespoons.