Recipe / Catering Quantity Calculator
Need a 4-person recipe for 25 or 200 people? Get the new quantity of every ingredient instantly. Handy for caterers and halwais.
Quick answer
500 g for 4 people → 3,125 g for 25.
How it is calculated
- Factor = people you need ÷ people the recipe serves = 25 ÷ 4 = 6.25.
- Multiply each ingredient by the factor: 500 × 6.25.
- Change the quantity for each ingredient in turn.
Worked example
A recipe for 4 uses 500 g rice. For 25 people you need 3,125 g (factor 6.25 ×).
| Recipe serves | 4 |
| You need for | 25 |
| Ingredient quantity | 500 g |
| New quantity | 3,125 g |
| Multiply by | 6.25 × |
Formula
New quantity = Q×S2/S1 Multiply by = S2/S1
Good to know
- In big batches add a little less salt and spice, then taste.
- Cooking time also goes up in a bigger pot.
Questions people ask
How do I double a recipe?
Multiply every ingredient by 2, or enter twice the people.
How much rice for 100 people?
Per-person quantity × 100, e.g. 80 g each = 8 kg.
Can I use grams or kilos?
Yes, the result comes in the same unit you enter.
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Updated 13 Nov 2026 · Desktop N Calculator v1.2.0