Most Popular Fitness & Exercise Calculators
Recovery Calculator: Readiness Score, Rest & Training Plan
Use our recovery calculator to turn sleep, soreness, stress,...
Agility Calculator for T‑Test and Pro Agility (5‑10‑5)
Use our agility calculator to time T‑Test and pro agility sh...
Speed, Agility & Power — Athletic Performance Calculator
Analyze running pace, race predictions, strength 1RM, and ju...
Bench Press Calculator — 1RM Max, Sets & Plate Math
Use our bench press calculator to estimate your 1RM from rep...
MPH Calculator: Speed and Pace Converter for Runners
Use our mph calculator to convert speed and pace in seconds....
RPE Calculator: Set Training Intensity & Load Accurately
Use our RPE calculator to turn effort into clear training ta...
All Fitness & Exercise Calculators
5K Pace Calculator — Race Splits & Finish Time
Train smarter with the 5K pace calculator: convert goal time...
Agility Calculator for T‑Test and Pro Agility (5‑10‑5)
Use our agility calculator to time T‑Test and pro agility sh...
Speed, Agility & Power — Athletic Performance Calculator
Analyze running pace, race predictions, strength 1RM, and ju...
Bench Press Calculator — 1RM Max, Sets & Plate Math
Use our bench press calculator to estimate your 1RM from rep...
Calorie Burn Calculator for Exercise and Activities
Estimate calories with the calorie burn calculator (calories...
Deadlift Calculator — 1RM, Working Sets & Plate Math
Use our deadlift calculator to estimate your one‑rep max (1R...
Endurance Calculator – Pace, Time, and Distance Planner
Plan aerobic training with our endurance calculator. Solve p...
Half Marathon Pace Calculator – Race Splits & Time
Plan your 21.1 km race with the half marathon pace calculato...
Heart Rate Calculator: Target Zones & Max HR Guide
Use our heart rate calculator to estimate max HR, heart rate...
Heart Rate Zone Calculator – Heart Rate Zones Calculator
Get Zone 1–5 targets from Max HR or lactate threshold. This ...
Injury Recovery Calculator: Set Expectations & Milestones
Use our injury recovery calculator to estimate timelines, pl...
Marathon Pace Calculator – Race Splits & Finish Time
Use our marathon pace calculator to set a 42.195 km goal wit...
Max Heart Rate Calculator – Accurate Maximum Heart Rate
Use our max heart rate calculator to estimate MHR by age wit...
Mile Pace Calculator – Accurate Pace per Mile & Splits
Enter distance and time to see your pace per mile, per kilom...
MPH Calculator: Speed and Pace Converter for Runners
Use our mph calculator to convert speed and pace in seconds....
Muscle Recovery Calculator: Estimate Time to Rebuild
Estimate recovery time with the muscle recovery calculator. ...
One Rep Max Calculator — 1RM, Sets, RPE & Plate Math
Estimate strength fast with our one rep max calculator (1RM)...
Post Workout Recovery Calculator: Cooldown & Refeed Guide
Use the post workout recovery calculator for a cooldown, hyd...
Race Pace Calculator – Finish Time & Splits – Quick Results
Enter any distance to get precise target splits. This race p...
Recovery Calculator: Readiness Score, Rest & Training Plan
Use our recovery calculator to turn sleep, soreness, stress,...
Rep Max Calculator – Rep Calculator for 1–12RM Training
Use our rep calculator to turn a set’s weight and reps into ...
Rest Day Calculator: Find Your Ideal Recovery Days
Use the rest day calculator to plan recovery with training l...
Rest Time Calculator: Set & Interval Plans for Workouts
Use the rest time calculator to set recovery between sets an...
RPE Calculator: Set Training Intensity & Load Accurately
Use our RPE calculator to turn effort into clear training ta...
Running Calorie Calculator — Calories Burned by Pace & Time
Use the running calorie calculator to estimate calories by p...
Running Pace Calculator: Speed, Splits, and Finish Time
Convert time, distance, and pace instantly with the running ...
Sprint Calculator: Pace, Speed, Time & Split Planner
Use our sprint calculator to convert distance and time into ...
Squat Max Calculator – 1RM Squat – Quick Results Today
Estimate your 1RM squat accurately with the squat max calcul...
Strength Level Calculator — Benchmark Lifts by Bodyweight
Use our strength level calculator to rank your squat, bench,...
Superset Calculator: Plan Pairings, Rest, Time & Volume
Use our superset calculator to pair A-B exercises, set reps,...
Target Heart Rate Calculator
Use our target heart rate calculator to set safe, effective ...
Training Volume Calculator: Sets × Reps × Load Tracker
Use our training volume calculator to total sets × reps × lo...
Treadmill Calorie Calculator: Speed, Incline, and Time
Use our treadmill calorie calculator to estimate calories bu...
VDOT Calculator – Daniels Training Paces – Get Quick Results
VDOT calculator: get your VDOT score and Daniels training pa...
Estimate Jump Height & Power — Vertical Jump Calculator
Use our vertical jump calculator to estimate jump height fro...
VO2 Max Calculator — Estimate Fitness Level Online, Free
Use our VO2 max calculator to estimate aerobic capacity from...
Walking Calorie Calculator — Calories Burned Walking
See calories burned by pace/terrain with the walking calorie...
Workout Calculator: Build Training Plans that Progress
Use our workout calculator to plan sessions, pick exercises,...
Zone 2 Heart Rate Calculator – Aerobic Training Zone
Use our zone 2 heart rate calculator to find your aerobic tr...
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Why Use Our Fitness & Exercise Calculators?
Our fitness & exercise calculator collection offers 39 specialized tools designed for accuracy and ease of use. Each calculator is built using established medical formulas and guidelines from trusted health organizations.
Key Benefits
- Medical-grade accuracy based on WHO and CDC guidelines
- Instant results with detailed explanations and recommendations
- 100% private - all calculations done locally in your browser
- No registration or personal data required
Popular Uses
- Recovery Calculator: Readiness Score, Rest & Training Plan - Readiness score (0–100) with plain guidance
- Agility Calculator for T‑Test and Pro Agility (5‑10‑5) - T‑Test and Pro Agility presets
- Speed, Agility & Power — Athletic Performance Calculator - Running pace, speed, and race time predictions
- Bench Press Calculator — 1RM Max, Sets & Plate Math - Bench‑specific 1RM estimation (Epley/Brzycki/Lombardi)
Whether you're a healthcare professional, patient, or health enthusiast, our fitness & exercise calculators provide the accurate, reliable tools you need for informed health decisions.
Explore More Health Calculators
Discover our complete collection of 264 health calculators