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265/70R17 vs 275/45R22 tire size comparison

265/70R17275/45R22

275/45R22 is 0.1 in (0.44%) taller than 265/70R17 and 0.4 in wider. They fit different wheels: 265/70R17 a 17-inch wheel and 275/45R22 a 22-inch wheel.

265/70R17 and 275/45R22 side by side

+0.1 in / +0.44%265/70R17: 31.6 in tall, solid line275/45R22: 31.7 in tall, dashed line265/70R17Width 10.4 in (265 mm)Sidewall 7.3 in (186 mm)275/45R22Width 10.8 in (275 mm)Sidewall 4.9 in (124 mm)
265/70R17 is drawn with a solid line and 275/45R22 with a dashed line. In each drawing both tires are to the same scale; the tread shoulder and bead curves are simplified. The table below has the same numbers.
Dimensions of 265/70R17 and 275/45R22, with the difference (275/45R22 minus 265/70R17)
Measurement265/70R17275/45R22DifferenceDifference %
Section width10.4 in (265 mm)10.8 in (275 mm)+0.4 in (+10 mm)+3.77%
Sidewall height7.3 in (186 mm)4.9 in (124 mm)-2.4 in (-62 mm)-33.29%
Wheel (rim) diameter17.0 in (432 mm)22.0 in (559 mm)+5.0 in (+127 mm)+29.41%
Overall diameter31.6 in (803 mm)31.7 in (806 mm)+0.1 in (+3 mm)+0.44%
Circumference99.3 in (2522 mm)99.7 in (2533 mm)+0.4 in (+11 mm)+0.44%
Revolutions per mile638635-3-0.43%

Differences are 275/45R22 minus 265/70R17; percentages are relative to 265/70R17. These are nominal design dimensions. Real tires vary by brand, tread depth, wheel width, load and pressure.

The overall diameter differs by 0.44%, which is within the common 3% rule of thumb.

The rule of thumb keeps a replacement size within about 3% of the original overall diameter. It covers diameter only. It is not a fit, load or safety check, because width, wheel diameter, load capacity and clearance matter too. Confirm any size change with your vehicle's owner's manual or a tire professional.

Speedometer difference

When the speedometer reads 60 mph on a vehicle built for 265/70R17, the actual speed on 275/45R22 is about 60.3 mph. When it reads 60 mph on a vehicle built for 275/45R22, the actual speed on 265/70R17 is about 59.7 mph. These figures assume the speedometer is accurate on the original size and use nominal dimensions, so treat them as estimates.

Actual speed for a given speedometer reading, 265/70R17 against 275/45R22
Speedometer readsActual on 275/45R22 (built for 265/70R17)Actual on 265/70R17 (built for 275/45R22)
20 mph20.1 mph19.9 mph
30 mph30.1 mph29.9 mph
40 mph40.2 mph39.8 mph
50 mph50.2 mph49.8 mph
60 mph60.3 mph59.7 mph
70 mph70.3 mph69.7 mph
80 mph80.3 mph79.7 mph

A common rule of thumb is to keep a replacement size within about 3% of the original overall diameter. Check the tire placard on the driver's door jamb and your owner's manual for the sizes your vehicle was built for. Confirm any size change with your vehicle's owner's manual or a tire professional.

Which vehicles use each size?

These vehicles list the size among their verified sizes, by trim. Open one to see all of its sizes.

Check it in the calculator

The calculator takes the same two sizes and shows the full comparison, or lets you swap either one for another size.

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Shop for 265/70R17 or 275/45R22 tires

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Other comparisons with 265/70R17

Side-by-side dimensions and speedometer difference for sizes close to 265/70R17 in overall diameter.

Other comparisons with 275/45R22

Side-by-side dimensions and speedometer difference for sizes close to 275/45R22 in overall diameter.

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