IIFYM Calculator
If It Fits Your Macros, made simple.
Private by design — everything is calculated on your device, nothing is storedTry: Calorie target=2000, Protein %=30, Carbs %=40, Fat %=30 → 2,000 kcal, 150 g (30%), 200 g (40%), 67 g (30%)
How to use
IIFYM ("flexible dieting") tracks macros instead of forbidding foods. Enter your split to see the gram targets; you can eat any food that fits.
Formula
grams = kcal × % / density
FAQ
Does food quality not matter?
Micros do — most IIFYM eaters still favour nutrient-dense food.
Track every day?
Consistency matters more than perfection.
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