Fitness Calculators

One Rep Max Calculator

Enter weight and reps to find your estimated 1RM and full training percentage table.

Strength Standards Calculator

Enter your 1RM and bodyweight to see which tier (beginner → elite) your strength puts you in.

Pace Calculator

Enter two of: distance, time, or pace — get the third plus race split projections.

Cycling Calories Calculator

Enter weight, time, and intensity to calculate calories burned cycling.

Race Time Predictor

Enter a known distance and time to predict 5K, 10K, half, and full marathon times.

FFMI Calculator

Enter height, weight, and body fat % to get your raw and adjusted FFMI.

Macro Calculator

Enter your stats and goal to get daily protein, carb, and fat targets in grams.

Wilks Score Calculator

Enter squat, bench, deadlift, and bodyweight to get your Wilks score.

Swimming Calories Calculator

Enter weight, time, and stroke to calculate calories burned swimming.

VO2 Max Calculator

Enter your 1.5-mile run time, age, and sex to estimate VO2 max and cardio fitness rating.

Workout Volume Calculator

Enter sets, reps, and weight for each exercise — see total volume in lbs.

Steps to Miles Calculator

Enter your steps and height to convert to miles, kilometers, and calories burned.

Race Pace & Splits Calculator

Enter race distance and goal time to get pace per mile/km and full split table.

Sweat Rate Calculator

Enter pre-weight, post-weight, fluids consumed, and duration to get your sweat rate per hour.