285/60R20 vs 33X12.50R20

285/60R20 vs 33X12.50R20: Comparision Size Chart


285/60R20 (Tire 1)33X12.50R20 (Tire 2)Difference
Tire Size In Inches33.5X11.2R2033X12.50R20
Diameter33.46"850 mm32.99"838 mm-1.41%
Tread Width11.2285 mm12.5"318 mm11.58%
Rim Diameter20"508 mm20"508 mm0%
Sidewall Height6.73"171 mm6.5"165 mm-3.51%
Circumference105.12"2670.35 mm103.64"2670.35 mm-1.41%
Revs/Mile602.74 Revs/Mile611.35 Revs/Mile+8.61
Revs/Kilometer374.53 Revs/Mile379.88 Revs/Mile+5.35
Tire 1 Front View
11.2"
33.46"
Tire 2 Front View
11.2"
32.99"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
105.12"
20"
6.73"
602.74 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
103.64"
20"
6.5"
611.35 Revs/Mile

Speedometer Error

285/60R20 (Mph)33X12.50R20 (Mph)
2019.72
3534.51
5049.3
6564.08
8078.87
9088.73
10098.59

33X12.50R20 vs 285/60R20: Gas Mileage & Performance Comparison

* Below is a comparison table. Assuming 2 tires of the same manufacturer, material and tested on the same road conditions.

285/60R2033X12.50R20
Wet/Snowy RoadsReduced TractionBetter Traction
Rough TerrainSmoother RideReduced Stability
Handling/SteeringLess ResponsiveBetter
Gas MileageBetterGood
Road NoiseQuieterQuiet
CostMore ExpensiveLess Expensive

Can You Replace The 285/60R20 With The 33X12.50R20?

Yes, both tires have the same rim diameter, and the 33X12.50R20 has a smaller overall diameter than the 285/60R20 which is only 1.43% (0.47-inch), it is the allowable margin (±3%).

When you want to replace a different tire size, as a rule, for the rim diameter, you will need to be sure that your tires and rims are an exact match, e.g. a 285/60R20 tire will only fit on a 20″ diameter rim.

You Can check our tools and charts below to find your size:

*Disclaimer: The information provided on the tire size is for general informational purposes only. We recommend that you consult a certified tire specialist or National Highway Traffic Safety Administration (NHTSA) sets specific guidelines for tires used on vehicles.


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Jamie Hicks

Sullivan Kane

Tire Technician at TireSizesCalculator

Sullivan is a Tire Technician specializing in tire repair at TireSizesCalculator. With over 6 years of experience in the industry, Sullivan has become an expert in tire repair, maintenance & installation.


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