Recipe Scaling Calculator

Scale any recipe ingredient up or down to a new serving count.

Quick answer: Free Recipe Scaling Calculator online. Instantly adjust recipe serving sizes and calculate exact ingredient multipliers for cooking or baking.

Scale factor
Scaled amount4
Original servings4
Target servings8

computed locally — nothing leaves your browser

Scale any recipe ingredient to a different number of servings in seconds — find the exact multiplier and the scaled amount for any quantity.

How it works

  1. Enter the original number of servings the recipe yields.
  2. Enter your desired target number of servings.
  3. Input any specific ingredient amount to instantly see its scaled output.

Frequently asked questions

Does scaling affect cooking time?

Not linearly — a doubled recipe may take only 20-30% longer, not double the time. Thicker items need more time; thinner items may need less.

What about baking powder and salt?

Scale them fully but taste as you go — leavening agents and salt do not always scale perfectly, especially for small batches.

How do I scale to a fraction?

Set original to 4 and target to 1 for a quarter recipe, for example. The factor works for any ratio.