Section Width125 mm (4.9")
Aspect Ratio137%
Rim Diameter13"
Overall Diameter673 mm (26.5")
Sidewall Height171 mm
Circumference2113 mm
125/137R13 — Buy Tires

Everything to know about the 125/137R13 tire size

Size geometry

A 125/137R13 tire has a 125mm section width and a 137% aspect ratio, mounted on a 13-inch rim. Sidewall height works out to 171.3mm (6.74") and overall outside diameter is 672.7mm (26.48"). At highway speed the tire completes about 473 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/137R13 is unavailable, the closest same-diameter substitutes on the same rim are 115/149R13 and 135/127R13. 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 125/137R13 you can upsize to 135/117R14 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/160R12 (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 125/137R13 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 125/137R13

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