Wheel Size Calculator
Find the right wheel size for your tires and calculate plus/minus sizing options.
Current Tire Size
Tire notation: 225/45R17
Vehicle Type
Tire Dimensions
Overall Diameter24.97" (634mm)
Sidewall Height3.99" (101mm)
Rolling Radius12.11"
Revolutions/Mile808
Recommended Wheel Width
8.4"
Acceptable range: 8.1" to 9.3"
Plus/Minus Sizing Options
225/56R15(-2 size)
24.9"(-0.2%)
225/51R16(-1 size)
25.0"(+0.3%)
225/45R17Current
25.0"(+0.0%)
225/39R18(+1 size)
24.9"(-0.3%)
225/34R19(+2 size)
25.0"(+0.2%)
Common Wheel Sizes
16" Diameter
6.5"7"7.5"
17" Diameter
7"7.5"8"
18" Diameter
7.5"8"8.5"9"
19" Diameter
8"8.5"9"9.5"
Green highlighted widths are compatible with your 225mm tire.
Estimated Wheel Weight
~23.6 lbs
Aluminum alloy wheel estimate for 17" x 8.4"
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.