Calculators
Food & nutrition calculators
Practical calculators for everyday cooking, meal planning, nutrition, and grocery budgets.
Calculators in this category
Meal cost calculator
Work out the cost per serving from your total ingredient cost and number of servings.
Recipe scaling calculator
Scale a recipe up or down instantly. Enter original servings and new target to see adjusted quantities.
Calories per serving calculator
Estimate calories per serving from the total calories in a recipe and the number of portions.
Protein calculator
Estimate your daily protein needs based on body weight and activity level.
Water intake calculator
Estimate your daily water needs based on body weight and activity level.
Grocery budget calculator
Calculate weekly and monthly grocery costs from household size and spend per person.
When these tools help
Food calculators help with the practical side of cooking and eating. Whether you are scaling a recipe, working out cost per portion, checking nutrition estimates, or planning a weekly grocery budget, these tools give clear answers without complex apps.