Cadevia tools

Coach-grade calculators, free and with no account. Everything runs on your phone, nothing gets sent anywhere, and every number cites its source.

Cycling

The right pressure for your tires

Front and rear, from your weight, tire width and surface. Plus your tire rolling, so you can see what it changes.

Running & trail

Your hill pace, converted to flat

At the same effort, what your uphill or downhill pace is worth on the flat, depending on the grade.

Triathlon

Your triathlon finish time, Sprint to Ironman

Swim, transitions, bike, and a run calculated off the bike, not on fresh legs.

Any sport

What to drink and eat during exercise

Water, carbs and salt per hour for your sport, how long you go and how hot it is. And when to take them.

Running

Your pace band

Your splits from 5K to the marathon, to print for your wrist or keep as your lock screen.

Any sport

Your 7 heart rate zones

Using your resting heart rate if you know it, and your max heart rate estimated with the right formula.

Running

Your 5K, 10K, half and marathon times

Your time and pace for the 5K, 10K, half and marathon, predicted from one recent race.

Running

Your maximal aerobic speed and training paces

Half Cooper, Cooper test, 5K or 10K: your maximal aerobic speed and your five training paces.

Nutrition

How much protein per day?

Your grams for the day by weight and goal, your share at each meal, in chicken, eggs or lentils.

Sleep

What time should you go to bed?

The bedtime that lands at the end of a sleep cycle, from your wake-up time, age and training.

Walking

10,000 steps: how many miles?

Your steps in miles, walking time and calories, based on your height and pace.

Free, no accountNo sign-up, no email asked for.
Nothing leaves your phoneThe math runs in your browser.
Every number cites its sourceThe studies and measurements are under “How it's calculated.”