Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Recipe Scaling Calculator

Scale every ingredient in a recipe up or down to match a desired serving count, with an optional waste/loss multiplier. Use it when doubling a dinner recipe, halving a bake for a small crowd, or batch-cooking from a tested base recipe.

Original Recipe Servings (servings)

Desired Servings (servings)

Original Ingredient Amount (cups)

Waste/Loss Factor

Fill in the required fields to see your result.

Cooking

Portion Size Calculator

Calculate the total protein portions needed for a group based on the number of people, meal type, and age group. Perfect for meal planning, catering events, or family dinners.

Number of People (people)

Meal Type

Protein per Person (oz)

Primary Age Group

Fill in the required fields to see your result.

Key differences

	Recipe Scaling Calculator	Portion Size Calculator
Category	Cooking	Cooking
Inputs required	4	4
Result	Scaled Ingredient Amount (units)	Total Protein Needed (ounces)
What it does	Scale every ingredient in a recipe up or down to match a desired serving count, with an optional waste/loss multiplier. Use it when doubling a dinner recipe, halving a bake for a small crowd, or batch-cooking from a tested base recipe.	Calculate the total protein portions needed for a group based on the number of people, meal type, and age group. Perfect for meal planning, catering events, or family dinners.