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Recipe Scaler

Kitchen

Cook for two or twenty without the arithmetic.

Interactive Tool
Live Calculation

Recipe Scaler

Scaled = Original Amount x (Desired Servings / Original Servings)

Evaluated Formula:Scaled = Original Amount x (Desired Servings / Original Servings)
Guidance:
Most recipes scale linearly, but spice amounts often need only a gentle increase.
For baking, scaling by weight rather than volume gives the most consistent results.
Scaled Amount
375

Calculated instantly

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What This Calculator Does

The Recipe Scaler adjusts any ingredient amount from the original serving count to your desired servings. It is the fast way to cook for two from a four-serving recipe, or to feed a crowd from a dinner for six.

How It Works

The scale factor is the desired servings divided by the original servings. Each ingredient amount multiplies by that factor, preserving the ratios that make a recipe taste right.

Example

Scaling a 4-serving recipe that uses 250 g of rice to 6 servings gives 250 x 6 / 4 = 375 g.

Formula

Scaled Ingredient
Scaled = Amount × (Desired Servings / Original Servings)

Reading the Results

Scaled Amount

The ingredient quantity adjusted by the serving ratio, keeping the recipe proportions intact.

Frequently Asked Questions

How do I scale a recipe?

Divide the servings you want by the original servings, then multiply every ingredient by that factor. The calculator does the math for one ingredient at a time.

Do spices scale the same way?

Linearly scaled spice can become overpowering. Increase herbs and spices more gently, tasting as you go.

Does scaling affect cooking time?

Often, but unpredictably. Baking time rarely changes much, while larger stove-top batches may need a few extra minutes.