Horsepower per tonne to watts per kilogram
Type a value in hp/t to get it in W/kg instantly.
111.9W/kg
That's 1.02× as lively as a hot hatchback, while a supercar is 2.8× livelier.
Convert the other way: W/kg to hp/t
What it means
How lively is that?
Vehicle figures are typical, with the driver or rider left out. Cyclist figures are power held for an hour.
The math
How to convert hp/t to W/kg
To convert horsepower per tonne to watts per kilogram, multiply by 0.7457.
Example: 150 hp/t × 0.7457 = 111.855 W/kg.
In the other direction, 1 W/kg = 1.34102 hp/t.
Every unit
Your power-to-weight in every unit
Tables
hp/t to W/kg conversion table
| hp/t | W/kg |
|---|---|
| 5 hp/t | 3.7285 W/kg |
| 50 hp/t | 37.285 W/kg |
| 75 hp/t | 55.9275 W/kg |
| 100 hp/t | 74.57 W/kg |
| 150 hp/t | 111.855 W/kg |
| 200 hp/t | 149.14 W/kg |
| 300 hp/t | 223.71 W/kg |
| 400 hp/t | 298.28 W/kg |
| 500 hp/t | 372.85 W/kg |
| 750 hp/t | 559.275 W/kg |
| 1,000 hp/t | 745.7 W/kg |
W/kg to hp/t conversion table
| W/kg | hp/t |
|---|---|
| 5 W/kg | 6.70511 hp/t |
| 50 W/kg | 67.0511 hp/t |
| 75 W/kg | 100.577 hp/t |
| 100 W/kg | 134.102 hp/t |
| 150 W/kg | 201.153 hp/t |
| 200 W/kg | 268.204 hp/t |
| 300 W/kg | 402.307 hp/t |
| 400 W/kg | 536.409 hp/t |
| 500 W/kg | 670.511 hp/t |
| 750 W/kg | 1,005.77 hp/t |
| 1,000 W/kg | 1,341.02 hp/t |
Quick answers
Quick answers
- How many W/kg is 1 hp/t?
- 1 hp/t is 0.7457 W/kg.
- How many W/kg is 10 hp/t?
- 10 hp/t is 7.457 W/kg.
- How many W/kg is 150 hp/t?
- 150 hp/t is 111.855 W/kg.
The units
About these units
Horsepower per tonne (hp/t)
How car magazines compare performance.
Watts per kilogram (W/kg)
The SI form, and how cyclists compare themselves.
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