Free Fitness Calculators

Professional-grade tools to plan your nutrition, design workouts, and track progress. Generate downloadable spreadsheets that work in Excel or Google Sheets.

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TDEE & Macro Calculator

Calculate your daily calorie needs and optimal macros. Generates a downloadable tracking spreadsheet.

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Workout Builder

Build custom workout programs and generate tracking spreadsheets with sets, reps, and progress logs.

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1RM Calculator

Estimate your one-rep max from any rep range using multiple proven formulas.

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RPE to Percentage

Convert Rate of Perceived Exertion (RPE) to percentage of 1RM for precise training loads.

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Body Fat Estimator

Estimate body fat percentage using the Navy method or simple measurements.

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Ideal Weight Calculator

Calculate your ideal weight range based on height, frame size, and goals.

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Generate Real Spreadsheets

Our calculators don't just show numbers — they generate fully functional Excel and Google Sheets files with formulas that automatically calculate your progress, totals, and trends over time.

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