TreadCalMeasure the grade.
Know your climb.
Use your iPhone to measure treadmill grade with a two-position calibration. Save the result so your calorie estimate reflects the incline you’re walking.
Calibrate only with the belt stopped.
FOR IPHONE & APPLE WATCH
Your incline.
Your effort.
Counted.
There’s more to your treadmill workout than steps. See calorie estimates that account for your incline, speed, and weighted vest.
Coming to the App Store
Explore TreadCal
A little more incline. A whole different walk.MAKE EVERY CLIMB COUNT
Built for the uphill part.
Measure the grade.
Keep your effort
in view.
See your live heart rate and zone on Apple Watch, then review how much time you spent in each zone after your workout.
Extra weight.
Accounted for.
Add your vest weight to include its estimated calorie contribution in your workout total. See that contribution separately, too.
YOUR WORKOUT IS YOURS
No account. No ads.
Just you and the climb.
Your workout data stays on your devices and in Apple Health when you allow it. TreadCal doesn’t send your health data to us.
Read our privacy policy ↗