PlanByWeek

Running and Strength Calculators

13 calculators·Free

1RM, pace, VDOT, heart-rate zones, DOTS and more — instant results.

All calculators

  1. 011RM CalculatorFree calculator · Instant results
  2. 02Marathon Pace ChartFree calculator · Instant results
  3. 03Running Pace CalculatorFree calculator · Instant results
  4. 04Half Marathon Pace ChartFree calculator · Instant results
  5. 05VO2 Max CalculatorFree calculator · Instant results
  6. 06Treadmill Pace ConverterFree calculator · Instant results
  7. 075K Pace ChartFree calculator · Instant results
  8. 08Heart Rate Zone CalculatorFree calculator · Instant results
  9. 09DOTS CalculatorFree calculator · Instant results
  10. 10VDOT CalculatorFree calculator · Instant results
  11. 1110K Pace ChartFree calculator · Instant results
  12. 12Race Time PredictorFree calculator · Instant results
  13. 13Taper CalculatorFree calculator · Instant results

The numbers

The maths

13 free calculators behind the plans: one-rep max (Epley, Brzycki, Lombardi), running pace and pace charts, VDOT and race prediction, VO2max, treadmill incline conversion, Karvonen heart-rate zones, DOTS and Wilks, and a taper planner.

Each runs instantly in the browser and links to the training plans that use it.