Scale recipe ingredients up or down for a different number of servings.
Ingredients
Multiplier
1.50x
6 servings
Flour
375 g
Sugar
150 g
Butter
187.5 g
Eggs
3
Scaling a recipe means adjusting the ingredient quantities to make a larger or smaller batch. While it often seems like simple multiplication, cooking is a science and some ingredients don't behave linearly. This is especially true in baking. Our Recipe Scaler at Calculator Site is designed to handle the basic math for you, providing a solid starting point for any recipe conversion.
Whether you're cooking for a crowd or just for yourself, scaling ensures you maintain the intended balance of flavours and textures. For related conversions, you might find our Baking Pan Converter useful for adjusting recipes to different-sized pans.
What Doesn't Scale Linearly?
Be cautious when scaling certain ingredients and instructions. Spices, salt, and leavening agents (like baking soda or yeast) often need to be adjusted with a lighter hand. Doubling a recipe doesn't always mean doubling the salt. Similarly, cooking and baking times rarely scale perfectly. A larger cake will take more than twice as long to bake as a cupcake.
Baking involves chemical reactions. When you change ingredient volumes, you also change factors like heat distribution and surface area. This is why careful adjustments are key for success.
1.5x
Max spice increase for a 2x recipe
+25%
Approx. bake time increase for 2x cake
By Weight
Most accurate way to scale ingredients
For the most accurate scaling, especially for baking, measuring ingredients by weight is far superior to measuring by volume. A digital kitchen scale is an invaluable tool. You can convert between units using our Unit Converter or our Cups Calculator for quick cup-to-gram conversions.
How to use this Calculator Site tool
Enter the original number of servings your recipe makes and the new number of servings you want. Then, list each ingredient, its original amount, and its unit. The calculator will instantly show you the new, scaled amount for each ingredient in the results panel. You can add or remove ingredients as needed.
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