Category 16
Fitness & activity calculators
Plan pace, distance, training time, and the cost of staying active.
21 practical tools
All 21 calculators are available now with visible formulas and assumptions.
Steps to distance
How far do your steps travel at the entered stride length?
Walking time
How long will a walk take at the chosen pace?
Running split time
What split time matches a target pace and segment distance?
Race time predictor
What rough finish time follows from a recent race and target distance?
Hiking time estimate
How long might a hike take after distance and ascent?
Route grade
What average grade follows from elevation gain and route distance?
Swim pace
What is the pace per pool length or 100 metres?
Rowing split
What 500-metre split follows from distance and total time?
Workout volume
What training volume follows from sets, reps, and load?
Interval workout time
How long will repeated work and rest intervals take?
Weekly training load
What simple training load follows from duration and effort?
Gym membership break-even
How many visits make membership cheaper than drop-in sessions?
Home gym payback
When does home equipment recover avoided membership costs?
Sport cost per session
What does a sport cost per session after gear, fees, and travel?
One-rep max estimate
What rough one-repetition maximum follows from a submaximal lifting set?
Body mass index
What body mass index follows from the height and weight you enter?
Daily calorie needs
What daily calorie estimate follows from your size, age, and activity?
Heart rate training zones
What AHA target heart-rate zones follow from the age you enter?
Protein intake target
How many grams of protein does the adult RDA give for your weight?
Water intake target
How much total water does the adult Adequate Intake suggest each day?
Ideal body weight
What Devine ideal weight and CDC healthy BMI range follow from your height?