Cardio
Tools for cardiovascular fitness and endurance.
VO2 Max Calculator
Estimate your VO2 max.
Heart Rate Zones
Calculate your target heart rate zones for training.
Max Heart Rate Calculator
Estimate your maximum heart rate.
Running Pace Calculator
Calculate running pace, time, and distance.
Walking Calories Burned
Estimate calories burned from walking.
Running Calories Burned
Estimate calories burned from running.
Cycling Calories Burned
Estimate calories burned from cycling.
Swimming Calories Burned
Estimate calories burned from swimming.
Hiking Calories Burned
Estimate calories burned from hiking.
Rowing Erg Calculator
Calculate pace and distance for rowing.
Weight Lifting Calories
Estimate calories burned from weight lifting.
Jumping Rope Calories
Estimate calories burned from jumping rope.
Push-Ups Calories
Estimate calories burned from push-ups.
Pace & Distance Converter
Convert between steps and distance.