Tire Size Calculator
Calculate tire dimensions, compare sizes, and check speedometer accuracy when changing tire sizes.
Overall Diameter
24.97 in
Inputs
mm
%
in
mm
%
in
Comparison
Sidewall Height
3.99 in
Circumference
78.45 in
Revolutions/Mile
808
Compare Diameter
25.4 in
Size Difference
1.72%
Speedometer Error
1.72%
Diameter Comparison
Ad Placeholder
Related Calculators
Gas Mileage Calculator
Calculate your fuel economy in MPG, cost per mile, and annual fuel costs. Convert between MPG, L/100km, and km/L.
EV vs Gas Cost Comparison
Compare the total cost of owning an electric vehicle vs a gas car. Includes fuel, maintenance, and purchase price over time.
Road Trip Cost Calculator
Estimate the total cost of a road trip including fuel, hotels, meals, and tolls. Split costs between passengers.
Ad Placeholder