Section Width615 mm (24.2")
Aspect Ratio13%
Rim Diameter37"
Overall Diameter1100 mm (43.3")
Sidewall Height80 mm
Circumference3455 mm
615/13R37 — Buy Tires

Everything to know about the 615/13R37 tire size

Size geometry

A 615/13R37 tire has a 615mm section width and a 13% aspect ratio, mounted on a 37-inch rim. Sidewall height works out to 80.0mm (3.15") and overall outside diameter is 1099.7mm (43.30"). At highway speed the tire completes about 289 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 615/13R37 is unavailable, the closest same-diameter substitutes on the same rim are 605/13R37 and 625/13R37. 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 615/13R37 you can upsize to 625/11R38 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 605/15R36 (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 615/13R37 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 615/13R37

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