Sport Calculators
Optimize your training and performance with our comprehensive suite of sport calculators. Whether you're a runner, cyclist, or triathlete, we have the tools to help you achieve your goals.
Calculator Categories
Explore our calculators by category to find the tools you need.
Zwift Routes & Calculators
Browse all 282 Zwift routes and calculate your completion times with our Zwift tools.
File Converters
Convert your workout files between different formats with our easy-to-use converters.
FIT to GPX Converter
Convert any Garmin FIT file to GPX in seconds. Preserves GPS tracks, elevation, and heart rate — ready to upload to Strava, Komoot, RideWithGPS, or any GPS app. Free, runs in your browser.
FIT to CSV Converter
Convert any Garmin FIT file to CSV in seconds. Exports GPS coordinates, heart rate, power, cadence, speed, and all sensor data — ready to open in Excel or Google Sheets. Free, processed in your browser.
FIT to TCX Converter
Convert any Garmin FIT file to TCX in seconds — keeps GPS track, heart rate, power, cadence, and laps intact for upload to Garmin Connect, TrainingPeaks, or Strava. Free, processed entirely in your browser.
FIT to KML Converter
Convert Garmin FIT files to KML format for Google Earth and Google Maps visualization
Nutrition Calculators
Calculate calories and nutritional information for your favorite restaurants and foods.
Sushi Calorie Calculator
Calculate calories and nutrition for any sushi - nigiri, maki rolls, sashimi, and specialty rolls. Use presets or build custom sushi with our ingredient-based calculator.
Chipotle Calorie & Nutrition Calculator
Build your exact Chipotle bowl, burrito, tacos, or salad and get a complete calories, protein, carbs, and fat breakdown — based on official Chipotle menu data.
Starbucks Calorie & Nutrition Calculator
Calculate calories, protein, carbs, fat, and sugar for your Starbucks order — lattes, Frappuccinos, cold brew, Refreshers, teas, and food — based on official Starbucks menu data.
Training Plans
Structured training plans to help you achieve your goals.
Training Workouts
Discover structured workouts designed to improve your performance.
Ready to optimize your training?
Use our free sport calculators to improve your performance and reach your goals.