Distance Calculator
Calculate travel distance and time between locations with interactive map.
Flow
Tools & Calculators
IMPACC Flow Tools & Smart Calculators
4 powerful fitness calculators for distance planning, heart rate training zones, calorie burn estimation, and BMI calculation.
Training Zones Calculator
Calculate heart rate training zones for endurance athletes using Karvonen or Max HR formulas.
Calorie Burn Calculator
Calculate calories burned during exercise using MET values for 8 different activities.
BMI Calculator
Calculate your Body Mass Index and understand your weight category.
Distance Calculator
Calculate travel distance and time between any two locations using TomTom routing API. Supports driving, walking, cycling, transit, and running modes with custom pace/speed inputs. Includes interactive map with route visualization.
Training Zone Calculator
Calculate heart rate training zones using either the Karvonen Formula (Heart Rate Reserve) or Percentage of Maximum Heart Rate. Covers 5 zones: Recovery/Easy, Endurance/Aerobic, Tempo, Threshold, and VO₂ Max/Intervals.
Calorie Burn Calculator
Calculate calories burned during exercise using MET (Metabolic Equivalent) values. Supports running, walking, cycling, swimming, weight lifting, yoga, dancing, and hiking activities.
BMI Calculator
Calculate your Body Mass Index from weight and height. Categories: Underweight, Normal weight, Overweight, Obese.
Secret Runs
Exclusive running experiences with top athletes and special guests in secret locations. Join the waitlist for early access to the future of run clubs.
