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AI prompts for your
fitness journey

Expertly crafted prompts for workouts, nutrition, weight loss, wellness, and motivation. Copy, paste into any AI, and get personalized results.

Browse Prompts ↓ Calculators

Prompt Library

Fill in your details, then copy the personalized prompt to any AI assistant.

Fitness Calculators

Calculate your stats, then copy the results directly into your prompts.

BMI Calculator

Body Mass Index — a basic health screening metric.

TDEE Calculator

Total Daily Energy Expenditure — how many calories you burn.

calories/day (maintenance)

1RM Calculator

Estimate your one-rep max from a set you've completed.

estimated 1RM

Macro Calculator

Protein, carb, and fat targets based on your calorie goal.

Body Fat % (US Navy)

Estimate body fat percentage using circumference measurements.

Weight Converter

Convert between kilograms and pounds.

Height Converter

Convert between centimeters and feet/inches.

Built by a fitness nerd who got tired of re-writing the same prompts.

I'm John — I spend my days working with data, ai and my free time in the gym. After copy-pasting the same AI prompts over and over, I decided to build a clean, free resource that anyone can use. No accounts, no tracking, no BS. Just good prompts.

Every prompt is tested with ChatGPT, Claude, and Gemini to make sure you get useful, actionable results — not generic filler.

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