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Treadmill Pace And Incline Calculator

Work out treadmill pace and incline instantly with clear inputs, formula shown and shareable results.

About Treadmill Pace And Incline Calculator

Adding incline raises oxygen cost, so a graded treadmill run is equivalent to a faster flat run. The ACSM equation puts 11 km/h at 2% at the same oxygen cost as about 12.6 km/h on the flat. Running with 1-2% incline is common precisely because it compensates for the absence of wind resistance indoors.

Formulas

Graded oxygen cost

VO2 = 0.2 v + 0.9 v x grade + 3.5, v in m/min

Flat equivalent

v(flat) = (VO2 - 3.5) / 0.2

Worked example

With the default values below, Treadmill Pace And Incline Calculator returns Equivalent Flat-Ground Speed of 11.99. Change any input above and every figure here is recalculated in your browser.

Inputs used

Treadmill speedminimum 0.1 km/h
11 km/h
Treadmill inclineaccepts 0–25 %
2 %
Body weightminimum 1 kg
70 kg

Results

Equivalent Flat-Ground Speed
11.99 km/h
Equivalent Flat Pace Per Kilometre
5:00
Oxygen Cost
43.47 ml/(kg min)
Energy Cost
913 kcal/h

Step by step

  1. 1Values used
  2. 2Graded oxygen cost
  3. 3Flat equivalent
  4. 4Equivalent Flat-Ground Speed= 11.99 km/h
  5. 5Equivalent Flat Pace Per Kilometre= 5:00
  6. 6Oxygen Cost= 43.47 ml/(kg min)
  7. 7Energy Cost= 913 kcal/h

Assumptions and limits

  • The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • This is an estimate from population-average equations, not a medical or diagnostic assessment. Individual results vary with genetics, training history and technique. Seek advice from a qualified coach or clinician before making significant changes to training.
  • This is an estimate for general information and not professional medical advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

This is an estimate from population-average equations, not a medical or diagnostic assessment. Individual results vary with genetics, training history and technique. Seek advice from a qualified coach or clinician before making significant changes to training.

Frequently Asked Questions

Why do runners use 1% incline indoors?

It approximately replaces the air resistance you would meet outdoors at moderate speeds, making treadmill and road paces comparable.

Does steep incline walking match running?

It can. Walking at 6 km/h up 15% has a similar oxygen cost to jogging at about 9 km/h on the flat, with much less impact.

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