Tire size
40x13.50R17 in metric
A 40x13.50R17 tire is 40.0 inches (1016 mm) tall and 13.5 inches (343 mm) wide, on a 17-inch wheel. Its sidewall is 85% of its width.
| 40x13.50R17 | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 40.0 in | 1016 mm |
| Section width | 13.5 in | 343 mm |
| Sidewall height | 11.5 in | 292 mm |
| Wheel (rim) diameter | 17 in | 432 mm |
| Circumference | 125.7 in | 3192 mm |
| Revolutions | 504 per mile | 313 per km |
How it's worked out
Inch sizes give the height first: 40x13.50R17 is 40.0 in tall and 13.5 in wide for a 17 in wheel, so each sidewall is (40.0 - 17) / 2 = 11.5 in.
Questions
What is 40x13.50R17 in metric?
1016 mm tall and 343 mm wide on a 17-inch wheel.
How tall is a 40x13.50R17 tire?
40.0 inches on paper. Many inch-sized tires measure slightly under their label once mounted, so check the maker's spec sheet if it matters.
How many revolutions per mile does 40x13.50R17 do?
About 504 per mile (313 per km).
Nominal dimensions, calculated from the size marking. Real tires differ slightly by brand, rim width, pressure and wear. Fitment depends on your vehicle, lift and wheels: this page doesn't say whether a size fits. Updated 2026-11-14.