$0.99 Free
Lowest price: Free 10 months ago (-100%)
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About
8 unique calculators for runners at any level.
Whether you’re building a training plan, dialling in easy-day pace, or checking zones before intervals, RunCalcs makes the numbers simple and reliable.
Features at a glance
Pacing
- Pace calculator
- Splits planner
Racing
- Predictive race time calculator
Training
- Running cadence calculator
- Heart-rate training zones
- VO2 Max Calculator
Health
- Recovery time calculator
- BMI calculator
Thoughtful defaults & inline validation
Works offline
Run smarter - with the numbers that matter.
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What's New in Runcalcs
2.0
August 11, 2026
More calculators and richer detail in the existing calculators
