Fitness & Sports
101 free fitness & sports calculators — including TDEE Activity Calculator and Bench Press Max Calculator. Instant results in your browser, with the formula shown.
Search Fitness & Sports calculators
- Body Fat Calculator – US Navy Method
- TDEE Calculator – Mifflin-St Jeor Formula
- BMR Calculator – Mifflin-St Jeor Equation
- Calorie Deficit Calculator – 7,700 kcal/kg
- Macro Calculator – Protein, Carbs, Fat Split
- Protein Intake Calculator – 1.6–2.2 g/kg ISSN
- One Rep Max (1RM) Calculator – Epley
- Running Pace Calculator – min/km & min/mi
Advanced Step Calorie Calculator
Calculate calories burned from steps.
1RM from Multiple Reps – Epley + Zones
Estimate 1RM from multiple reps.
Athlete Protein Calculator – Training Day Needs
Calculate protein needs for athletic activity.
TDEE by Activity Level – 5 Multipliers
Calculate total daily energy expenditure.
Navy Body Fat – Tape Measure Method
Calculate body fat using US Navy method.
Macro Split Calculator – 40/30/30 and More
Calculate protein, carb, and fat split.
Jump Rope Calories Calculator
Calculate calories burned during jump rope exercise based on weight and pace.
Plank Challenge Calculator
Plan a progressive plank training program to reach your target hold time.
Race Time Predictor
Predict your race finish time based on your current performance.
Squat Calculator
Calculate squat percentages from max.
Running Splits Calculator
Calculate running split times.
Swimming Calorie Calculator
Calculate calories burned swimming.
Yoga Calorie Calculator
Calculate calories burned doing yoga.
Workout Split Calculator
Calculate weekly workout split.
Step Calorie Calculator
Calculate calories burned from steps.
Recovery Heart Rate Calculator
Calculate heart rate recovery after exercise.
Cycling Power Zone Calculator
Calculate cycling power zones.
Workout Water Intake Calculator
Calculate water needed during exercise.
Pace Converter Calculator
Convert between different running pace units.
Workout Split Planner
Plan your weekly workout split.
Protein Timing Calculator
Calculate protein amount and timing.
Running Pace by Heart Rate Zone
Calculate running pace for each training zone.
Child BMI & Percentile – CDC Growth Chart
Calculate child BMI and percentile.
Swim Pace Calculator
Calculate swimming pace and time.
Jump Rope Calorie Calculator
Calculate calories burned jumping rope.
Push-up Calorie Calculator
Calculate calories burned doing push-ups.
Sit-up Repetition Calculator
Calculate sit-up reps based on fitness level.
Muscle Volume Calculator
Calculate total muscle training volume.
Advanced Swim Pace Calculator
Calculate advanced swimming pace and splits.
Rowing Pace Calculator
Calculate rowing pace and power.
Plank Calorie Calculator
Calculate calories burned during plank.
Advanced Jump Rope Calorie Calculator
Calculate calories burned jumping rope.
Body Measurement Progress Calculator
Calculate body measurement progress.
Workout Density Calculator
Calculate workout density.
Advanced Swim Pace
Calculate swim pace for a specific race.
Advanced Cycling Power Zones
Calculate power zones for cycling.
Advanced Yoga Calorie Calculator
Calculate calories burned during yoga.
Swim Pace per 100m – Pool Calculator
Calculate swimming pace per 100m.
Water Intake for Weight Loss – Daily Target
Calculate optimal water intake for weight loss.
Exercise Volume – Sets × Reps × Weight
Calculate exercise volume (sets × reps × weight).
Cycling Power-to-Weight Ratio (W/kg)
Calculate cycling power-to-weight ratio.
Vertical Jump from Flight Time
Calculate vertical jump from flight time.
RPE Scale – Reps in Reserve Converter
Convert between RPE and load percentage.
Stretching Duration Calculator
Calculate optimal stretching duration.
Running Pace Calculator
Free online calculator with instant, accurate results.
Fat-Free Mass Index (FFMI) Calculator
Free online calculator with instant, accurate results.
Power-to-Weight Ratio Calculator
Free online calculator with instant, accurate results.
Steps to Miles Calculator
Free online calculator with instant, accurate results.
About Fitness & Sports
101 free Fitness & Sports tools are listed on this page, led by TDEE Activity Calculator, Bench Press Max Calculator and Calorie Burn Calculator in popularity order. Each computes its result directly in your browser and shows the formula it applies. The grid also covers One Rep Max Estimator, so most common Fitness & Sports questions have a matching tool. No accounts, no fees — every answer ships with the arithmetic behind it.
What you can calculate
TDEE Activity Calculator, Bench Press Max Calculator, Calorie Burn Calculator, One Rep Max Estimator
Top Fitness & Sports Calculators
Body Fat Calculator – US Navy Method
Calculate body fat percentage
TDEE Calculator – Mifflin-St Jeor Formula
Calculate total daily energy expenditure
BMR Calculator – Mifflin-St Jeor Equation
Calculate basal metabolic rate
Calorie Deficit Calculator – 7,700 kcal/kg
Calculate calorie deficit for weight loss
Macro Calculator – Protein, Carbs, Fat Split
Calculate protein, carb, and fat needs
FAQs about Fitness & Sports
What is the best calculator in the Fitness & Sports category?
The most popular Fitness & Sports tools on this site are TDEE Activity Calculator, Bench Press Max Calculator and Calorie Burn Calculator, in that order. All are free, run instantly in your browser, and show their calculation steps — pick the closest to your case or try more than one.
Are the Fitness & Sports calculators free to use?
Yes — all 101 tools in the Fitness & Sports category are completely free: they run in your browser with no sign-up and never send your inputs anywhere. Enter your values and the result appears instantly, with the formula used shown.
How many calculators are in the Fitness & Sports category?
The Fitness & Sports category currently lists 101 free tools. The most used are TDEE Activity Calculator, Bench Press Max Calculator and Calorie Burn Calculator, and all of them are reachable directly from the grid on this page, with no registration required.