Recipe Halver Formula

Understand the math behind the recipe halver. Each variable explained with a worked example.

Use the Recipe Halver

Formulas Used

New Amount

new_amount = original_amount / divisor

If Cups, Tablespoons Equivalent

tbsp_equiv = (original_amount / divisor) * 16

If Cups, Teaspoons Equivalent

tsp_equiv = (original_amount / divisor) * 48

Variables

VariableDescriptionDefault
original_amountOriginal Amount1
divisorDivide By2

How It Works

How to Halve a Recipe

Formula

New Amount = Original Amount / Divisor

Halving Tricky Measurements

  • Half of 3/4 cup = 6 tablespoons
  • Half of 1/3 cup = 2 tbsp + 2 tsp
  • Half of 1 egg: whisk the egg, weigh it, use half the weight
  • Half of 1 tbsp = 1.5 tsp

    • Worked Example

    Halve a recipe that calls for 1 cup of an ingredient.

    original_amount = 1divisor = 2
    1. 01Divide by 2: 1 / 2 = 0.5 cups.
    2. 02In tablespoons: 0.5 x 16 = 8 tablespoons.
    3. 03Half a cup equals 8 tablespoons.

    Ready to run the numbers?

    Open Recipe Halver