All Calculators
Explore our complete collection of sport calculators for runners, cyclists, swimmers, and fitness enthusiasts.
Running Calculators
(37 calculators)Marathon Pace Calculator
Calculate the pace you need to run a marathon based on your goal time.
Half Marathon Pace Calculator
Calculate the pace you need to run a half marathon based on your goal time.
10K Pace Calculator
Calculate the pace you need to run a 10K based on your goal time.
Running Pace Calculator
Our easy-to-use running pace calculator helps you estimate your pace based on your training and fitness level.
5K Pace Calculator
Our easy-to-use 5K pace calculator helps you estimate your pace based on your training and fitness level.
Running Time Calculator
Our easy-to-use running time calculator helps you estimate your time based on your pace and distance.
Triathlon Calculators
(7 calculators)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 Pace & Time Calculator
Calculate your Ironman 70.3 finish time based on individual discipline times and distances.
Sprint Triathlon Pace & Time Calculator
Calculate your sprint triathlon finish time based on individual discipline times and distances.
Cycling Calculators
(81 calculators)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).
Cycling Watts Per Kilo (w/kg) Calculator
Calculate your watts per Kg based on your Functional Threshold Power (FTP) and weight.
Cycling VO2 Max Calculator
Calculate your VO2 Max based on your weight and 5 Minute Power Output.
Swimming Calculators
(4 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 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.
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
(43 calculators)Treadmill Calorie Calculator
Calculate the calories burned on a treadmill based on your weight, distance and incline.
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.
The Ultimate Push Up Calorie Calculator
Calculate the calories burned doing pushups based on your weight and number of pushups per minute.
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.
General Fitness Calculators
(5 calculators)VO2 Max Calculator
Calculate your VO2 max based on your age, gender, and test method.
Elliptical to Running Conversion Calculator
Convert your elliptical workout to an equivalent running distance based on metabolic load and MET values. Perfect for cross-trainers and injured runners.
Jump Rope Calorie Calculator
Calculate calories burned during jump rope exercise with different intensity levels using scientifically validated MET values.
Heart Rate Calorie Calculator
Calculate calories burned based on heart rate using Keytel equations with sex, age, weight, and optional VO2max for personalized accuracy.
Jiu-Jitsu Calorie Calculator
Calculate calories burned in Brazilian Jiu-Jitsu and grappling with martial arts MET values
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
(5 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 Calorie Calculator
Calculate calories burned playing golf with different modes and equipment choices
Rowing Calculators
(25 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
(6 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.
Winter Sports Calculators
(13 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
(10 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.