📐

Recipe Scaler — Double, Halve, or Adjust by Servings

Scale recipes up or down. Enter original and desired servings.

Factor
Desired ÷ original
1.5x
Salt when doubling
1 tbsp
Half egg
Test
Large changes

Scale

Why This Recipe Matters

Why: Scale recipes for different party sizes.

How: Multiply each ingredient by (desired ÷ original) servings.

Sources:King ArthurSerious Eats
Fractions: 1/2, 1/4 supported
Eggs: 1 tbsp = half egg
Baking: Round carefully

📋 Quick Examples

Your Recipe

Servings the recipe was written for
How many servings you need

Ingredients

Enter amount (e.g. 2, 1/2, 1.5), unit, and name.

recipe_scaler.outScale factor: 2.00x
# Scaled ingredients for 8 servings
4cupsflour(was 2 cups)
2tspsalt(was 1 tsp)
1cupsugar(was 1/2 cup)

📊 Scaled Amounts

📊 Composition

For educational and informational purposes only. Verify with a qualified professional.

Scale factor = desired ÷ original servings. Multiply each ingredient by this factor. Baking: round carefully.

Factor
Desired ÷ original
1.5x
Salt when doubling
1 tbsp
Half egg
Test
Large changes

Key Takeaways

  • • Multiply by (desired ÷ original)
  • • Spices: taste and adjust
  • • Eggs: 1.5 = 1 whole + 1 yolk
  • • Cooking time does not scale linearly

FAQ

Does it handle fractions?

Yes. 1/2, 1/4, 1/3 are supported. Converts to decimal, scales, converts back.

Baking scaling?

Yes, but baking is sensitive. Leavening and eggs may need adjustment. Test large changes.

Salt and spices?

Start with scaled amount, add to taste. Salt: ~1.5x when doubling.

How to scale eggs?

Round to nearest whole. Half egg = 1 tbsp beaten. 1.5 = 1 whole + 1 yolk.

Cooking time?

Does not scale linearly. Doubling may need 1.3–1.5x time. Check doneness.

Scale factor formula?

Desired servings ÷ original servings. Multiply each ingredient by this factor.

⚠️ Disclaimer: Scaling approximate. Baking sensitive. Taste and adjust.

Sources

King ArthurSerious Eats

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