Recipe Scaling Calculator
Scale any recipe up or down by servings.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Scaling factor
- 1.5×
- Your ingredient becomes
- 375
- Pan area should scale by
- 1.5× — e.g. 8" round → 9.8" round
- Bake time guidance
- Keep roughly the same
Quick answer
Scale ingredients by the ratio of new servings to original servings; bake time changes far less than quantity does.
New amount = original × (new servings ÷ old servings)
How to use the Recipe Scaling Calculator
- 1Enter the recipe's original servings.
- 2Enter how many you need.
- 3Enter any ingredient quantity to scale it.
Frequently asked questions
Do I scale spices linearly?
No. Salt, chilli and strong spices should be scaled to about 75% of the linear amount, then adjusted to taste.
Does baking time double?
No. Heat penetration depends on depth, not total volume, so use pan size guidance and test for doneness.