Ketogenic Macro Calculator

The ketogenic diet is a very low carbohydrate, high fat, moderate protein diet designed to shift the body into ketosis — a metabolic state where fat becomes the primary fuel source. Standard macros are typically 70–75% fat, 20–25% protein, 5–10% carbs (usually under 50g net carbs per day)

The calculator uses the standard published formula for keto calc. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.