Fitness Calculators

Calculate running pace, finish times, or required speed for races.

Estimate body fat percentage using US Navy tape measure method.

Estimate 1RM strength benchmark using Epley & Brzycki formulas.

Calculate optimal protein, carb, and fat daily grams.

Estimate cardiovascular aerobic fitness level.

Convert walking steps into total calories burned.

Estimate calories burned while running using MET values.

Estimate walking calories from body weight, minutes, and intensity.

Estimate biking calories from body weight, minutes, and effort.

Estimate swimming calories from body weight, time, and intensity.

Calculate a Wilks-style powerlifting score from bodyweight and total.

Estimate bench press one-rep max from weight and repetitions.

Estimate squat one-rep max from weight and repetitions.

Estimate deadlift one-rep max from weight and repetitions.

Predict race finish time using the Riegel endurance formula.

Estimate calories burned for any activity using MET intensity.

Calculate Marathon Training Pace metrics for training, nutrition, and performance planning.

Calculate Running Cadence metrics for training, nutrition, and performance planning.

Calculate Cycling Power-to-Weight metrics for training, nutrition, and performance planning.

Calculate FTP metrics for training, nutrition, and performance planning.

Calculate BMI Prime metrics for training, nutrition, and performance planning.

Calculate Keto Macro metrics for training, nutrition, and performance planning.

Calculate Intermittent Fasting metrics for training, nutrition, and performance planning.

Calculate Meal Calorie Split metrics for training, nutrition, and performance planning.