🏋️ Fitness & Workout Tools

Eight tools for training and tracking workouts — strength, running and nutrition calculators. Every one runs entirely in your browser.

🏋️ One Rep Max Calculator

Estimate your 1RM and a training percentage table.

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🏃 Running Pace Calculator

Solve pace, time or distance and project race splits.

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🔥 Calorie Burn Calculator

Estimate calories burned by activity, weight and duration.

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👣 Steps to Distance Converter

Convert a step count into distance walked.

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🫁 VO2 Max Estimator

Estimate VO2 max from a 12-minute Cooper test.

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🍽️ Macronutrient Calculator

Split daily calories into protein, carb and fat grams.

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🏋️‍♀️ Workout Volume Calculator

Total training volume across sets, reps and weight.

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⏲️ Workout Rest Timer

Live countdown timer for rest between sets.

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