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Calcimator

Recipe Scaler

Scale any recipe up or down. Enter your original serving size and desired servings to get adjusted ingredient amounts.

Inputs

Results

Scale Factor

2x

Change100%
Ingredient 1 (Scaled)4
Ingredient 2 (Scaled)3
Ingredient 3 (Scaled)1.5
Ingredient 4 (Scaled)6
How to Use This Calculator
  1. Enter the number of servings the original recipe makes in 'Original Servings'.
  2. Set 'Desired Servings' to the number of portions you need.
  3. Enter each ingredient amount from the original recipe in the 'Ingredient' fields (in the same unit).
  4. The calculator instantly shows the Scale Factor and each scaled ingredient amount.
  5. Apply the same multiplier to any additional ingredients not listed to complete your batch.

How the result changes with Original Servings

Original ServingsScale Factor
110.73x
360.22x
650.12x
900.09x

What each input means

Original Servings
The number of servings the original recipe makes.
Desired Servings
The number of servings you want to make.
Ingredient 1 Amount
Amount from the original recipe (cups, tbsp, etc.).

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Original Servings = 4, Desired Servings = 8, Ingredient 1 Amount = 2, Ingredient 2 Amount = 1.5 = 6 input(s) provided
  2. Calculate Scale Factor
    Scale Factor
    2 = 2
  3. Calculate Change
    Change = round((scaleFactor - 1) * 10000) / 100
    100 = 100%
  4. Calculate Ingredient 1
    4 = 4

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