Recipe Scaling Calculator 計算機

この計算機は扱います: Scale an ingredient amount from original servings to target servings.

Cooking 更新 2026-05-11

入力

Original servings Target servings Ingredient amount (units)

Scale factor (x) 値を入力して計算します。

Scaled ingredient amount (units) 値を入力して計算します。

scale factor = target servings / original servings; scaled amount = ingredient amount x scale factor.

この計算機は扱います: Scale an ingredient amount from original servings to target servings.

Scaling 4 servings to 10 uses a 2.5x factor.

Use the same measuring unit before and after scaling.

Taste, pan size, and cooking time may not scale linearly.

What inputs does this calculator need?

Original servings, Target servings, Ingredient amount.

How should I round the result?

Keep extra digits while comparing values, then round for the final decision or report.

Can I reuse the result in another calculation?

Yes, but preserve the original inputs and units so the next calculation stays traceable.