Tool
Serving Size Calculator
Calculate recipe scale multiplier for guest count.
Kitchen / Recipe Tools
What this tool does
Find the multiplier needed to adjust a recipe from its original servings to your guest count.
How to use
- Enter original recipe servings.
- Enter target guest count.
- View scale multiplier.
Formula
multiplier = target servings ÷ original servings
Examples
Recipe for 6, need 15 guests
Input: 6 → 15 servings
Output: multiplier 2.5×
15 ÷ 6 = 2.5; multiply all ingredients by 2.5.
Common use cases
- Plan dinner party portions
- Scale meal prep batches
- Calculate catering quantities
FAQ
How is this different from recipe scaler?
This shows the multiplier; recipe scaler applies it to ingredient lines.
Can I round the multiplier?
Round ingredient amounts sensibly after scaling.
Does it account for leftovers?
Add extra servings to your target count if desired.
Related tools
Last reviewed: 2026-05-23