Fitness & Exercise Calculators
Our fitness and exercise calculators help you optimize your training, track performance, and achieve your fitness goals. Perfect for athletes, powerlifters, runners, and fitness enthusiasts of all levels.
One Rep Max Calculator
Calculate your maximum weight for one repetition using multiple proven formulas including Epley, Brzycki, and more.
Heart Rate Zone Calculator
Calculate target heart rate zones for different training intensities using age-based formulas and Karvonen method.
Pace Calculator
Calculate running/walking pace, time, and distance. Convert between min/km, min/mile, mph, and km/h for training and race planning.
Workout Volume Calculator
Calculate total training volume (sets × reps × weight) and track weekly/monthly progression for optimal progressive overload tracking.
Why Use Our Fitness Calculators?
- Science-based formulas used by professional athletes and coaches
- Support for both metric and imperial units
- Instant calculations with detailed explanations
- Mobile-friendly design for use in the gym
- Save and share your training data
- No registration required - completely free
🎯 Coming Soon
We're continuously expanding our fitness calculator collection. Upcoming calculators include:
- Body Fat to Lean Mass Calculator - Track body composition changes