Section Width125 mm (4.9")
Aspect Ratio100%
Rim Diameter13"
Overall Diameter580 mm (22.8")
Sidewall Height125 mm
Circumference1823 mm
125/100R13 — Buy Tires

Everything to know about the 125/100R13 tire size

Size geometry

A 125/100R13 tire has a 125mm section width and a 100% aspect ratio, mounted on a 13-inch rim. Sidewall height works out to 125.0mm (4.92") and overall outside diameter is 580.2mm (22.84"). At highway speed the tire completes about 549 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/100R13 is unavailable, the closest same-diameter substitutes on the same rim are 115/109R13 and 135/93R13. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 125/100R13 you can upsize to 135/83R14 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/120R12 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 125/100R13 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 125/100R13

tire_size.no_vehicles_found