Recipe Scaling Calculator
Scale a recipe up or down to the number of servings you need: the scale factor and new amounts for your ingredients, in the units you use.
- Free
- No sign-up to try
- Works as you type
Recipe scaling
Scale factor
2.50x
Ingredient 1, scaled
625.00
Ingredient 2, scaled
5.00
Ingredient 3, scaled
750.00
- Scale factor = servings you want ÷ servings the recipe makes.
- Each scaled amount = original amount × scale factor, in the same unit.
Free, no sign-up to try. Save it as a live calculator you can share; an estimate from the numbers you enter, not financial advice. Check the result against your own records before you rely on it.
How it works
How the Recipe Scaling Calculator works
- 1
Enter your numbers
Every result updates as you type, with the formula shown under it.
- 2
Check the method
See how each number is worked out and what it assumes.
- 3
Save it as a Room
Share a live calculator: others can change the numbers and see the result update.
Worked example
What it makes
Example inputs
- Servings the recipe makes
- 4
- Servings you want
- 10
- Ingredient 1 amount (any unit)
- 250
- Ingredient 2 amount (any unit)
- 2
- Ingredient 3 amount (any unit)
- 300
Results
- Scale factor
- 2.50x
- Ingredient 1, scaled
- 625.00
- Ingredient 2, scaled
- 5.00
- Ingredient 3, scaled
- 750.00
How it's calculated
- Scale factor = servings you want ÷ servings the recipe makes.
- Each scaled amount = original amount × scale factor, in the same unit.
- Assumes: Ingredients scale in a straight line; seasoning, raising agents and cooking times often don't, so adjust those by taste and test.
An estimate from the numbers you enter, not financial advice. Check the result against your own records before you rely on it.
Who it's for
Who uses it
Home cooks
Turn a recipe for four into dinner for ten.
Caterers
Scale a tested recipe to an event headcount.
Kitchen teams
Adjust a batch recipe to the day's covers.
Good to know
What to consider
- Seasoning, raising agents and cooking times often don't scale in a straight line: adjust by taste and test.
- Larger batches may need bigger pans or cooking in rounds.
Questions
About the Recipe Scaling Calculator
Can I use any unit?
Yes. Each ingredient keeps the unit you enter it in, whether grams, cups or eggs, so the scaled amount is in the same unit.
Can I share the calculator with my team or a client?
Yes. The Room keeps the calculator live: anyone with the link can change the numbers and see the result update, with the method and assumptions on the same page.
Make your calculator now
Free, no sign-up to try. It becomes a Room you can edit, publish and share.
Create my calculatorRelated
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