285/60R20 vs 295/60R20

295/60R20 is 0.47 inches (1.4%) taller than 285/60R20 and 0.39 inches wider. Here are both sizes side by side, drawn to scale.

Last updated · Calculated from the sidewall code · Sources

Tire sizes

Type it as it appears on the sidewall: 275/60R20, LT265/70R17 or 33x12.50R20.

Difference in height
+0.47″
295/60R20 vs 285/60R20
285/60R20295/60R20Difference
Overall diameter33.5″ 850 mm33.9″ 862 mm+0.47″ (+1.4%)
Section width11.2″ 285 mm11.6″ 295 mm+0.39″
Sidewall height6.73″ 171 mm6.97″ 177 mm+0.24″
Wheel (rim) diameter20″20″same
Circumference105.1″ 2670 mm106.6″ 2708 mm+1.5″
Revolutions per mile603594−8
Ground clearance+0.24″
285/60R2033.5″ × 11.2″33.5″295/60R2033.9″ × 11.6″33.9″
Drawn to scale: side view and tread width.

295/60R20 is 0.47″ taller (1.4%) and 0.39″ wider than 285/60R20. With a speedometer set up for 285/60R20, an indicated 60 mph is really 60.8 mph on 295/60R20, so the gauge reads 1.4% low. Ground clearance at the axle changes by +0.24″.

A 1.4% difference is within the ±3% that tire shops commonly accept without recalibrating the speedometer. Check clearance if the new tire is wider or taller.

Speedometer showsReal speed on 295/60R20
30 mph30.4 mph
45 mph45.6 mph
60 mph60.8 mph
70 mph71.0 mph
80 mph81.1 mph

What changes when you switch to 295/60R20

Sizes are theoretical, from the sidewall code. The same size can differ by a few tenths of an inch between brands and tread patterns; check the maker’s spec sheet for the exact model.

Other comparisons

Frequently asked questions

How much bigger is 295/60R20 than 285/60R20?

295/60R20 is 0.47 inches (1.4%) taller and 0.39 inches wider: 33.9" × 11.6" versus 33.5" × 11.2".

Will 295/60R20 change my speedometer?

Yes, by 1.4%. Going from 285/60R20 to 295/60R20, an indicated 60 mph is about 60.8 mph.

Can I replace 285/60R20 with 295/60R20?

Often, yes: the height difference is within the ±3% most tire shops accept. Both fit a 20" wheel; confirm the rim width, load index and clearance for your vehicle.

Do I need to regear going from 285/60R20 to 295/60R20?

Usually not for a 1.4% change. With 3.73 gears, the 295/60R20 acts like 3.68.

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