Recipe Scaling Calculator

Double your grandma's cookie recipe or halve a restaurant-sized batch. Our smart calculator handles the math with proper fraction display.

Scale Your Recipe

Recipe Name

Original Recipe Serves

You Want to Make

Scale Factor: 2.00×

Ingredients

Ingredient

Original

Unit

Scaled (2.0×)

Amount:

Unit:

Scaled:4 cup

Amount:

Unit:

Scaled:2 cup

Amount:

Unit:

Scaled:4 piece

Amount:

Unit:

Scaled:1 cup

Amount:

Unit:

Scaled:2 tsp

Ingredient

Amount

Unit

Scaling Tips

Eggs: Use whole eggs only. Consider medium eggs for fractions.
Vanilla extract: Scale to 75% when doubling as flavor intensifies.

Recipe Scaling Tips

Baking Adjustments

When scaling baked goods, leavening agents (baking powder, soda) should be reduced slightly for larger batches. Oven times may also need adjustment.

Pan Size Matters

If you're scaling to fit a different pan size, calculate the pan volume ratio. A 9" round pan has about 50% more volume than an 8" pan.

Cooking Time

Larger batches may need more time. For stovetop cooking, consider using a larger pan rather than cooking longer to maintain quality.

Seasonings & Spices

Start with 75% of the scaled amount for strong spices and herbs, then adjust to taste. Flavors can become overpowering in larger batches.

How to Scale Recipes Like a Pro

The Basics

Recipe scaling is simple math: divide your desired servings by the original servings to get the scale factor, then multiply each ingredient. Our calculator does this automatically and displays results in easy-to-measure fractions.

When It Gets Tricky

Some ingredients don't scale linearly. Eggs can't be fractioned, leavening agents can become too strong, and spices can overpower. Our calculator warns you about these special cases and suggests adjustments.