All Calculators
Explore our complete collection of sport calculators for runners, cyclists, swimmers, and fitness enthusiasts.
Running Calculators
(55 calculators)Treadmill Steps Calculator
Estimate the steps you take on a treadmill from your speed, duration, and height.
Treadmill Elevation Gain Calculator
Calculate total elevation gain from your treadmill incline and distance, in feet and meters.
Walking Pace Calculator
Calculate your walking pace and speed from the distance you walked and the time it took.
Walking Time Calculator
Calculate how long it takes to walk a given distance at your chosen walking speed.
Walking for Weight Loss Calculator
Estimate calories burned walking and project your weight loss over time from daily walks.
Running Split Calculator
Generate even or negative-split pacing tables for a goal finish time over any race distance.
Triathlon Calculators
(8 calculators)Ironman Pace Calculator
Predict your full Ironman finish time from your swim pace, bike speed, run pace, and transitions.
Triathlon Pace Calculator
Estimate your triathlon split times for swimming, cycling, and running based on your target time.
Cycling to Running Conversion Calculator
Convert your cycling workout to an equivalent running distance based on metabolic load and MET values. Perfect for triathletes and cross-trainers.
Triathlon Calculator for Pace and Time
Calculate your total triathlon finish time or race pace based on discipline times and distances.
Ironman Time Calculator
Calculate your total Ironman finish time based on individual discipline times and distances.
Ironman 70.3 Time Calculator
Calculate your Ironman 70.3 finish time based on individual discipline times and distances. Get personalized race predictions for your half ironman.
Cycling Calculators
(95 calculators)Cycling Power Calculator
Estimate the watts required to ride at a given speed, weight, and gradient using cycling physics.
Cycling Speed Calculator
Calculate your cycling speed based on the distance and time.
Cycling Power to Speed Calculator
Calculate your speed based on power output, temperature, altitude, and other factors.
Cycling Calorie Calculator
Calculate the calories burned during your cycling workout.
Cycling Power Zones Calculator
Calculate your power zones based on your Functional Threshold Power (FTP).
Zone 2 Cycling Calculator
Calculate your Zone 2 cycling power range based on FTP. Find your optimal aerobic training zone using Coggan, 7-Zone, 6-Zone, or 5-Zone methods.
General Fitness Calculators
(73 calculators)VO2 Max Chart by Age and Gender
See normal VO2 max ranges by age and gender and find which fitness category your score falls into.
VO2 Max Calculator
Calculate your VO2 max based on your age, gender, and test method.
Zone 2 Heart Rate Calculator
Calculate your Zone 2 heart rate training range using Karvonen (HRR), percentage of max HR, or MAF methods. Find your optimal aerobic training zone.
Calorie Calculator for Weight Loss
Calculate your personal daily calorie target for weight loss using the Mifflin-St Jeor and Katch-McArdle formulas. Get your BMR, TDEE, and recommended calorie deficit.
BMI Calculator
Calculate your Body Mass Index (BMI) to understand your weight category. Get your BMI score, health risk assessment, and ideal weight range based on your height.
Body Fat Calculator
Calculate your body fat percentage using the US Navy method. Get accurate estimates based on simple body measurements - no calipers or special equipment needed.
Swimming Calculators
(8 calculators)CSS Critical Swim Speed Calculator
Calculate your CSS to improve your swimming performance and training.
Swim Pace Calculator
Calculate your swim pace and speed based on distance and time.
Swimming Split Calculator
Plan even swim splits from a goal time and distance, with a full split table per 25, 50, or 100.
Swimming Calorie Calculator
Calculate the calories burned during your swimming workout.
Swimming Training Stress Score (TSS)
Calculate your TSS based on your Functional Threshold Pace and duration.
Swim Time Converter
Convert a swim time between short course yards (SCY), short course meters (SCM), and long course meters (LCM).
Zwift Calculators
(7 calculators)Zwift Watt Per Kilo (w/kg) Calculator
Calculate your watts per kg for Zwift based on your Functional Threshold Power (FTP) and weight.
Zwift Category Calculator
Calculate your Zwift category based on your FTP and weight.
Zwift FTP & VO2 Max Calculator
Calculate your FTP, MAP, VO2 Max, and Training Targets from a Zwift ramp test using configurable protocols. Includes and workout file generation.
Zwift Workout Builder
Create custom structured indoor cycling workouts with a visual timeline builder. Export to .zwo files for Zwift.
Zwift Route Time Calculator
Calculate estimated completion times for all Zwift routes based on your FTP, weight, height, and target power zone. Features 280+ routes across all Zwift worlds with accurate physics-based time predictions.
Zwift Segment Time Calculator
Calculate estimated times for all 80 Zwift segments including Alpe du Zwift, Ventoux KOM, Epic KOM, and sprint segments. Get accurate physics-based predictions based on your FTP and weight.
Gym & Fitness Calculators
(57 calculators)Treadmill Calorie Calculator
Running on a treadmill burns 8–12 calories per minute. Calculate your exact calories burned — running, walking, or incline — using weight, speed, and duration.
Incline Treadmill Calorie Calculator
Calculate calories burned on incline treadmill workouts with enhanced calorie burn from uphill training using weight, speed, incline, and duration.
Treadmill Pace & Speed Calculator
Convert treadmill speed to running pace and vice versa. Calculate distance from speed and time with instant metric and imperial conversions.
Push-Up Calories Burned Calculator
Push ups burn approximately 0.3 calories per rep. Calculate your exact calories burned — enter your weight, reps per minute and duration to get an instant result.
Bench Press Calorie Calculator
Calculate the calories burned doing bench presses based on your weight and number of repetitions.
Chest Press Machine Calorie Calculator
Calculate the calories burned on a chest press machine based on weight setting and repetitions.
Jump Rope Calculators
(16 calculators)5 Minute Jump Rope Calorie Calculator
Calculate how many calories you burn during a 5 minute jump rope workout. Pre-filled for quick 5-minute sessions.
10 Minute Jump Rope Calorie Calculator
Calculate how many calories you burn during a 10 minute jump rope workout. Pre-filled for quick sessions.
15 Minute Jump Rope Calorie Calculator
Calculate how many calories you burn during a 15 minute jump rope workout. Pre-filled for quick sessions.
20 Minute Jump Rope Calorie Calculator
Calculate how many calories you burn during a 20 minute jump rope workout. Pre-filled for standard sessions.
30 Minute Jump Rope Calorie Calculator
Calculate how many calories you burn during a 30 minute jump rope workout. Pre-filled for longer sessions.
45 Minute Jump Rope Calorie Calculator
Calculate how many calories you burn during a 45 minute jump rope workout. Pre-filled for extended sessions.
Golf Calculators
(10 calculators)Golf Handicap Calculator
Calculate your golf handicap for a course using your handicap index and course data.
Golf Handicap Index Calculator
Calculate your golf handicap index based on your scores.
Golf Club Length Calculator
Calculate the length of your golf clubs based on your wrist to floor measurement.
Golf Shaft Flex Calculator
Calculate the flex of your golf shafts based on your club head speed.
Golf Grip Size Calculator
Calculate your ideal golf grip size based on hand measurement or glove size for better control and consistency.
Golf Club Distance Calculator
Calculate expected carry and total distances for each golf club based on your swing speed or skill level.
Rowing Calculators
(26 calculators)Rowing Machine Calorie Calculator
Calculate calories burned on rowing machines using MET-based formulas. Choose time or distance mode for accurate results.
5 Minute Rowing Machine Calorie Calculator
Calculate calories burned during a 5 minute rowing machine workout based on your weight and intensity level.
7 Minute Rowing Machine Calorie Calculator
Calculate calories burned during a 7 minute rowing machine workout based on your weight and intensity level.
10 Minute Rowing Machine Calorie Calculator
Calculate calories burned during a 10 minute rowing machine workout based on your weight and intensity level.
12 Minute Rowing Machine Calorie Calculator
Calculate calories burned during a 12 minute rowing machine workout based on your weight and intensity level.
15 Minute Rowing Machine Calorie Calculator
Calculate calories burned during a 15 minute rowing machine workout based on your weight and intensity level.
Hiking Calculators
(31 calculators)Hiking Calorie Calculator
Calculate calories burned during hiking using ACSM walking formula or Pandolf hiking formula with pack load and terrain factors.
30 Minute Hiking Calorie Calculator
Calculate calories burned during a 30-minute hike based on weight, terrain, and elevation gain.
1 Hour Hiking Calorie Calculator
Calculate calories burned during a one-hour hike based on weight, terrain, and elevation gain.
90 Minute Hiking Calorie Calculator
Calculate calories burned during a 90-minute hike based on weight, terrain, and elevation gain.
2 Hour Hiking Calorie Calculator
Calculate calories burned during a two-hour hike based on weight, terrain, and elevation gain.
3 Hour Hiking Calorie Calculator
Calculate calories burned during a three-hour hike based on weight, terrain, and elevation gain.
Racket Sports Calculators
(9 calculators)Tennis Calorie Calculator
Calculate calories burned playing tennis with singles, doubles, and practice options
Pickleball Calorie Calculator
Calculate calories burned playing pickleball based on weight, duration, play style, and intensity. Uses research-based MET values for accurate estimates.
30 Minute Pickleball Calories Calculator
Calculate calories burned in a 30 minute pickleball session. Quick game or warm-up calorie estimation.
1 Hour Pickleball Calories Calculator
Calculate calories burned in a 1 hour pickleball session. Standard session duration for recreational players.
Pickleball Doubles Calories Calculator
Calculate calories burned playing doubles pickleball. The most popular format with shared court coverage.
Pickleball Singles Calories Calculator
Calculate calories burned playing singles pickleball. Higher intensity with full court coverage.
Team sports Calculators
(6 calculators)Basketball Calorie Calculator
Calculate calories burned playing basketball with game, practice, and drill options
Soccer Calorie Calculator
Playing casual soccer burns ~490 calories per hour for a 70 kg person; competitive matches burn ~700 cal/hr. Calculate your exact soccer calorie burn by weight, intensity, and duration.
Volleyball Calorie Calculator
Calculate calories burned playing volleyball. Beach volleyball, indoor volleyball, competitive and casual play options.
Cricket Calorie Calculator
Calculate calories burned playing cricket. Bowling, batting, fielding, and wicket keeping options with different MET values.
Vertical Jump Calculator
Measure your vertical jump from hang time or your reach versus standing reach, and estimate jump power with the Sayers equation.
40 Yard Dash Calculator
Convert your 40-yard dash time into speed in mph, estimated 10- and 20-yard splits, and average velocity. A staple combine speed metric.
Winter Sports Calculators
(17 calculators)Skiing Calories Burned Calculator
Calculate calories burned skiing with our comprehensive calculator. Includes downhill, alpine, cross-country, skate skiing, ski touring, and ski machine options.
Downhill Skiing Calories Burned Calculator
Calculate calories burned downhill skiing at resorts. Estimate energy expenditure based on weight, duration, and intensity level.
Alpine Skiing Calories Burned Calculator
Calculate calories burned alpine skiing with technical terrain. MET-based calculation for accurate calorie estimation.
Cross Country Skiing Calories Burned Calculator
Calculate calories burned cross-country skiing with classic technique. One of the highest calorie-burning activities available.
Skate Skiing Calories Burned Calculator
Calculate calories burned skate skiing - one of the highest calorie-burning sports. MET values up to 13.0 for vigorous intensity.
Ski Touring Calories Burned Calculator
Calculate calories burned ski touring and backcountry skiing. Uphill climbing burns calories similar to high-intensity trail running.
Water Sports Calculators
(14 calculators)Kayaking Calorie Calculator
Calculate calories burned kayaking based on weight, duration, and paddling intensity. Uses 2024 Compendium MET values for accurate estimates.
30 Minute Kayaking Calories Calculator
Calculate calories burned in a 30 minute kayaking session. Perfect for quick paddles or lunch break workouts.
1 Hour Kayaking Calories Calculator
Calculate calories burned in a 1 hour kayaking session. Standard duration for recreational paddling.
2 Hour Kayaking Calories Calculator
Calculate calories burned in a 2 hour kayaking session. Extended paddling for touring and exploration.
3 Hour Kayaking Calories Calculator
Calculate calories burned in a 3 hour kayaking session. Half-day paddling adventures and tours.
1 Mile Kayaking Calories Calculator
Calculate calories burned kayaking 1 mile. Understand your per-mile energy expenditure.
Combat sports Calculators
(3 calculators)Boxing Calorie Calculator
Calculate calories burned boxing. Includes sparring, bag work, shadow boxing, and fitness boxing class options.
Shadow Boxing Calorie Calculator
Calculate calories burned shadow boxing. Uses MET value 6.0 from the Compendium of Physical Activities. Instant results for any weight and duration.
Martial Arts Calorie Calculator
Calculate calories burned during martial arts training. Karate, taekwondo, kickboxing, judo, kung fu, and MMA options.
Outdoor sports Calculators
(2 calculators)Bowling Calculators
(5 calculators)Bowling Score Calculator
Calculate your bowling score frame by frame with our free interactive tool. Handles strikes, spares, and 10th frame rules automatically. Start a new game now.
Bowling Handicap Calculator
Calculate your bowling handicap instantly. Enter your game scores or average, choose your basis score and percentage, and get your handicap per USBC league standards.
Bowling Ball Weight Calculator
Find the right bowling ball weight for your body weight and skill level. Enter your details and get a personalized recommendation in seconds.
Bowling Ball Speed Calculator
Calculate your bowling ball speed in mph or km/h. Enter your lane distance and stopwatch time — get instant results with speed benchmarks and tips.
Bowling Average Calculator
Calculate your bowling average from your total pinfall and number of games. Average = total pins / games bowled.
Everyday Activities Calculators
(10 calculators)Snow Shoveling Calorie Calculator
Calculate calories burned shoveling snow based on your weight, duration, and snow intensity. Free calculator using MET-based calorie science.
Lawn Mowing Calorie Calculator
Calculate calories burned mowing the lawn. Supports riding mower, walk-behind power mower, and push reel mower with weight and duration inputs.
Gardening Calorie Calculator
Calculate calories burned gardening. Supports light gardening, general gardening, and heavy digging with accurate MET-based calorie estimates.
House Cleaning Calorie Calculator
Calculate calories burned cleaning your house. Supports light tidying, general cleaning, vacuuming, mopping, and heavy scrubbing with accurate MET-based estimates.
Dog Walking Calorie Calculator
Calculate calories burned walking your dog. Supports slow, moderate, and brisk pace with accurate MET-based calorie estimates by weight and duration.
Raking Leaves Calorie Calculator
Calculate calories burned raking leaves. Supports light, moderate, and vigorous raking intensity with accurate MET-based calorie estimates by weight and duration.
Strength Calculators
(8 calculators)One Rep Max Calculator
Estimate your one-rep max for any lift from the weight and reps of a working set. Averages the Epley, Brzycki, Lombardi, and O'Conner formulas and gives a full training-percentage table.
Bench Press 1RM Calculator
Estimate your bench press one-rep max from the weight and reps of a working set, with a full bench training-percentage table. Uses the average of four trusted 1RM formulas.
Squat 1RM Calculator
Estimate your back squat one-rep max from a working set and get a full squat training-percentage table. Uses the average of four established 1RM formulas.
Deadlift 1RM Calculator
Estimate your deadlift one-rep max from a working set, with a full deadlift training-percentage table. Uses the average of four proven 1RM formulas.
Strength Level Calculator
See how your lifts compare to strength standards. Enter your sex, bodyweight, lift, and 1RM to find your level from beginner to elite, with the full standards table.
Wilks Calculator
Calculate your Wilks score from your bodyweight and powerlifting total to compare strength across bodyweights and between men and women. Toggle to DOTS for the newer coefficient.
Fitness tests Calculators
(9 calculators)PFT Calculator
Calculate your USMC Physical Fitness Test score from pull-ups or push-ups, plank time, and your 3-mile run. Get your total out of 300 and your PFT class.
Air Force PT Calculator
Calculate your U.S. Air Force PT composite score from push-ups, sit-ups or the cross-leg reverse crunch, and the 1.5-mile run. See your score out of 100 and pass/fail.
ACFT Calculator
Calculate your Army Combat Fitness Test score across all six events: deadlift, power throw, hand-release push-ups, sprint-drag-carry, plank, and the 2-mile run. Total out of 600.
APFT Calculator
Calculate your legacy Army Physical Fitness Test score from 2-minute push-ups, 2-minute sit-ups, and the 2-mile run, scored by age and sex. Total out of 300.
Navy PRT Calculator
Calculate your Navy PRT result from the forearm plank, 2-minute push-ups, and 1.5-mile run by age and sex. See your performance category from Outstanding to Fail.
Army Body Fat Calculator
Estimate your body fat percentage with the U.S. Army (AR 600-9) tape method from neck, waist, and height, and check it against the Army maximum for your age and sex.
Baseball Calculators
(8 calculators)Baseball Bat Size Calculator
Find the right baseball bat length for your height and weight (or age). Get a recommended bat length in inches for youth and adult players.
ERA Calculator
Calculate a pitcher's Earned Run Average (ERA) from earned runs and innings pitched. ERA = (earned runs x 9) / innings pitched.
Batting Average Calculator
Calculate a batting average from hits and at-bats. AVG = hits / at-bats, shown as a three-decimal number like .305.
Slugging Percentage Calculator
Calculate slugging percentage (SLG) from singles, doubles, triples, home runs, and at-bats. SLG = total bases / at-bats.
OBP Calculator
Calculate on-base percentage (OBP) from hits, walks, hit-by-pitch, at-bats, and sacrifice flies. OBP = (H + BB + HBP) / (AB + BB + HBP + SF).
OPS Calculator
Calculate OPS (On-base Plus Slugging) by adding on-base percentage and slugging percentage. Enter OBP and SLG directly or the underlying stats.