Treadmill Pace Calculator
Quickly convert between treadmill speed in km/h and running pace in min/km. If you train on a treadmill and race outdoors, this calculator helps you match your indoor effort to outdoor pace, with incline adjustments to simulate real-world conditions.
Enter your details
Set to 1% to simulate outdoor running
Treadmill Conversion
ExampleExample figures, not your own. Worked for 10 km/h on a 1 percent incline. Enter your own details and press Calculate.
Treadmill Speed
10.0km/h
Pace (flat)
6:00min/km
Outdoor Equivalent Pace
5:49min/km
At 1% incline, your effort equals this outdoor pace
Outdoor Equivalent Speed
10.3km/h
Accounting for 1% incline
How It Works
The conversion is straightforward: pace (min/km) = 60 / speed (km/h). For example, 10 km/h equals 6:00 min/km. Running on an incline increases effort, so the adjusted outdoor equivalent pace accounts for gradient: the calculator uses the formula adjustedPace = pace x (1 - incline% x 0.03), meaning a 1% incline makes your effective pace roughly 3% faster than flat running.
How to use it
- 1Enter treadmill speed in km/h or running pace in min/km
- 2Optionally set the treadmill incline percentage
- 3Click "Calculate" to see the conversion and outdoor equivalent
- 4Use the reference table to quickly match common speeds and paces
Quick Reference
| Speed (km/h) | Pace (min/km) | 5K Time | 10K Time | Activity |
|---|---|---|---|---|
| 5.0 | 12:00 | 1:00:00 | 2:00:00 | Slow walk |
| 6.0 | 10:00 | 50:00 | 1:40:00 | Brisk walk |
| 7.0 | 8:34 | 42:51 | 1:25:43 | Fast walk / slow jog |
| 8.0 | 7:30 | 37:30 | 1:15:00 | Easy jog |
| 9.0 | 6:40 | 33:20 | 1:06:40 | Moderate jog |
| 10.0 | 6:00 | 30:00 | 1:00:00 | Steady run |
| 11.0 | 5:27 | 27:16 | 54:33 | Tempo run |
| 12.0 | 5:00 | 25:00 | 50:00 | Fast run |
| 13.0 | 4:37 | 23:05 | 46:09 | Race pace |
| 14.0 | 4:17 | 21:26 | 42:51 | Fast race pace |
| 15.0 | 4:00 | 20:00 | 40:00 | Sprint intervals |
Times assume flat (0%) incline. Add 1% incline to match outdoor running effort.
Treadmill Speed-Pace Conversion
- Speed
- = Treadmill speed in km/h
- Pace
- = Time per kilometre in minutes
- Incline%
- = Treadmill gradient as a percentage
- 0.03
- = Effort adjustment factor per 1% incline
The incline adjustment approximates the added effort of running uphill. At 1% incline, the treadmill effort roughly matches flat outdoor running. Higher inclines significantly increase energy expenditure.