Egg Substitution Calculator Formula

Understand the math behind the egg substitution calculator. Each variable explained with a worked example.

Use the Egg Substitution Calculator

Formulas Used

Ground Flax/Chia

flax_tbsp = (sub_type <= 2) * num_eggs * 1

Water

water_tbsp = (sub_type <= 2) * num_eggs * 3 + (sub_type == 5) * num_eggs * 3

Applesauce/Banana

puree_g = ((sub_type == 3) + (sub_type == 4)) * num_eggs * 60

Commercial Replacer

replacer_tsp = (sub_type == 5) * num_eggs * 1.5

Approx. Calories Saved

cal_saved = num_eggs * 35

Variables

VariableDescriptionDefault
num_eggsNumber of Eggs to Replace(eggs)2
sub_typeSubstitution Type1

How It Works

Egg Substitution Guide

Common Substitutes (per 1 egg)

  • Flax egg: 1 tbsp ground flaxseed + 3 tbsp water, rest 5 min
  • Chia egg: 1 tbsp chia seeds + 3 tbsp water, rest 5 min
  • Applesauce: 60 g (1/4 cup) unsweetened
  • Banana: 60 g (1/2 medium) mashed
  • Commercial: Follow package directions

    • When to Use Each

  • Flax/chia: Good for binding in cookies, muffins
  • Applesauce: Adds moisture, good for cakes
  • Banana: Adds sweetness and moisture
  • Commercial: Most versatile

    • Worked Example

    Replace 2 eggs with flax eggs.

    num_eggs = 2sub_type = 1
    1. 01Per egg: 1 tbsp ground flax + 3 tbsp water.
    2. 02For 2 eggs: 2 tbsp ground flax + 6 tbsp water.
    3. 03Mix and let sit for 5 minutes until gel-like.
    4. 04Approximate calories saved: 2 x 35 = 70 kcal.

    Ready to run the numbers?

    Open Egg Substitution Calculator