Cookie Batch Calculator: calculate cookie batch for cooking and nutrition. Practical tips and worked examples.
Scaling factor = New servings ÷ Original servings
Scaled ingredient = Original quantity × Scaling factor
Leavening adjustment = Original leavening × (Scaling factor × 0.75)
Worked example: Recipe serves 4, you need 10. Scaling factor = 10 ÷ 4 = 2.5. Flour 200g → 500g. Baking powder 8g → 8 × (2.5 × 0.75) = 15g (not 20g). Note: temperature does NOT scale — always keep the oven at the same temperature as the original recipe.