265/70R17 vs 305/40R22

305/40R22 is 0.0% taller (0.00 in) and 1.57 in wider than 265/70R17.

Same height

305/40R22 and 265/70R17 are the same overall diameter, so the speedometer stays accurate.

	265/70R17	305/40R22	Change
Diameter	31.61″	31.61″	0.00″0.0%
Width	10.43″	12.01″	+1.57″+15.1%
Sidewall	7.30″	4.80″	−2.50″−34.2%
Circumference	99.3″	99.3″	0.0″0.0%
Wheel	17″	22″	+5″
Revs per mile	638	638	0

265/70R17305/40R22

Change sizes Speedometer table Gearing

Speedometer shows 60 mph60.0mph

Real speed on 305/40R22.

Ground clearance0.00in

Change in height under the axle.

Width per side+0.79in

On the same wheel, split inboard and outboard.

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265/70R17 or 305/40R22?

Can I use 305/40R22 instead of 265/70R17?

305/40R22 and 265/70R17 are the same overall diameter, so the speedometer stays accurate. Also match or beat the original load index and speed rating, and check that the wheel width suits the new tire.

Will my speedometer be off?

At an indicated 60 mph on 305/40R22 you are really doing 60.0 mph if the speedometer was set up for 265/70R17. Going the other way, 265/70R17 would make it read 60.0 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: 0.00 in (0 mm) under the axle.

Other comparisons

265/70R17 vs 265/75R16 235/75R17 vs 265/70R17 245/75R17 vs 265/70R17 255/70R17 vs 265/70R17 265/70R17 vs 255/75R17 275/65R17 vs 265/70R17 265/70R17 vs 275/70R17 265/65R17 vs 265/70R17 245/70R17 vs 265/70R17 265/65R18 vs 265/70R17 265/70R17 vs 275/55R20 265/70R17 vs 285/70R17 265/70R17 vs 285/75R17 265/70R17 vs 33x12.50R17 305/40R22 vs 265/75R16 245/75R17 vs 305/40R22 265/65R18 vs 305/40R22 265/35R22 vs 305/40R22