Category
Food & Cooking
Recipe Scaler
Scale ingredient quantities up or down from original servings to target servings
Estimated time
30 sec
Servings and Scaling Inputs
Convert original servings to a target yield and get the ingredient multiplier you should apply across the full recipe.
Servings the recipe currently makes before scaling.
Desired number of servings you want after scaling.
Optional amount used to preview the scaled quantity for one ingredient.
Target serving presets
Formula Summary
Multiplier = target servings / original servings
Percent change = (multiplier - 1) x 100
Scaled ingredient = original ingredient amount x multiplier
How It Works
Recipe scaling is easiest when you apply one consistent multiplier to every ingredient amount before cooking.
This tool focuses on serving-size math. It does not automatically adjust oven temperature, pan size, or cook time.
- Multiplier = target servings / original servings.
- Percent change = (multiplier - 1) x 100.
- Scaled ingredient amount = original ingredient amount x multiplier.
- Use the same multiplier for liquids, dry ingredients, and garnishes.
- Round final amounts to practical kitchen measurements after scaling.
Example Calculations
Scale up for guests
Original 4 servings to 10 servings, ingredient example 1.5 cups
Multiplier 2.5x, scaled ingredient 3.75 cups
Apply 2.5x to each ingredient, then round to realistic kitchen measures.
Scale down leftovers
Original 8 servings to 3 servings, ingredient example 2 tbsp
Multiplier 0.375x, scaled ingredient 0.75 tbsp
When scaling down below 0.5x, weigh small ingredients for better precision.
Small family adjustment
Original 6 servings to 4 servings, ingredient example 400 g
Multiplier 0.667x, scaled ingredient 266.7 g
Weight-based recipes are the easiest to scale accurately.
Frequently Asked Questions
Should I scale baking powder, salt, and spices exactly the same?
Start with the same multiplier, then adjust seasoning and leavening conservatively for large changes and taste/test as needed.
Does doubling servings always mean doubling cook time?
No. Pan size, oven load, and food thickness affect time more than serving count alone.
Can I use this for drinks and sauces?
Yes. The serving multiplier works for beverages, sauces, dressings, and marinades too.
Why include an example ingredient field?
It quickly shows what the multiplier means in a concrete kitchen amount before you scale the full recipe.
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