Shoe & Gear Calculators
Track shoe mileage, find your size, plan rotations and gear up for any conditions.
Shoe Mileage Calculator
Track shoe mileage and estimate when to replace your running shoes.
Shoe Size Calculator
Convert running shoe sizes between UK, US and EU systems.
Shoe Rotation Calculator
Plan your shoe rotation schedule to extend shoe life.
Clothing Layer Calculator
Calculate what to wear based on temperature and conditions.
Reflective Gear Calculator
Check if you need reflective gear based on your running time.
Hydration Pack Calculator
Calculate the hydration pack capacity you need for long runs.
GPS Watch Battery Calculator
Estimate GPS watch battery life for your planned activity.
Running Belt Calculator
Calculate what running belt or vest capacity you need.
8 free calculators in Shoe & Gear
Shoe & Gear Calculators
Track your shoe mileage, convert shoe sizes between UK, US and EU, plan shoe rotations, and work out what to wear for different conditions. These tools help you get the most from your running gear.
Most running shoes last 500-800 km. Use our shoe mileage tracker to know exactly when it is time for a new pair.