Should yeast scale exactly?

Often nearly linear, but very large batches may need experienced adjustment.

What is recipe-converter?

It is an alias redirecting to this canonical scaling tool.

Recipe Scaling Calculator

Multiply every ingredient by the same serving ratio—start with one line item.

King Arthur defaults

US cup standard

Clear assumptions

Multiplies an ingredient amount by desiredServings ÷ originalServings. Does not adjust oven time or pan geometry.

Limitation: Educational kitchen conversion only.

Jump to calculator · Sources & review

Original servingsDesired servingsIngredient amount to scale

How to Scale a Recipe

Enter the recipe’s original yield, your target yield, and one ingredient amount to see the multiplier.

Enter how many servings the recipe makes now.

Weigh when it matters

Volume-to-weight charts are averages. For finicky baking, weigh on a kitchen scale.

What the Scaled Amount Means

The scale factor applies linearly to volumes and weights. Spices, leavening, and pan size may need judgment beyond pure multiplication.

Worked Examples

4 servings → 6

Inputs

originalServings:4

desiredServings:6

ingredientAmount:200

Result

300

Factor 1.5 × 200 g = 300 g.

Halving a batch

Inputs

originalServings:8

desiredServings:4

ingredientAmount:3

Result

1.5 cups

Factor 0.5 × 3 cups = 1.5 cups.

Check your cup style

US customary cups differ from metric cups (250 mL). This cluster uses the US legal cup.

Frequently Asked Questions

No. Time depends on pan thickness and diameter. Use the baking pan converter for geometry changes.

Still have questions about this calculation?

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Recipe Scaling Formula

Pure proportional scaling without time or pan adjustments.

Formula

factor = desired ÷ original; scaled = amount × factor

Scientific Background

Assumptions follow published kitchen references cited in sources. Results are rounded for display.

Sources & review

Recipe Scaling Calculator documents the references behind its formulas and assumptions. Always treat results as educational estimates, not personalized professional advice.

Last reviewed

July 22, 2026

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