Rotor Size Calculator
Calculate brake rotor thermal capacity, sizing requirements, and upgrade potential.
Rotor Specifications
Rotor Type
Vehicle & Performance
Peak Temperature
486°F
Within safe operating range
Rotor Dimensions
Surface Area232.9 in²
Effective Radius5.52"
Swept Area12.9 in²
Rotor Mass22.7 lbs
Thermal Analysis
Kinetic Energy (full stop)3382 BTU
Energy per Front Rotor1015 BTU
Thermal Mass2.50 BTU/°F
Temperature Rise+406°F
Wheel Compatibility
Minimum Wheel Size15"
Max Rotor for 18" Wheel16"
Upgrade Margin+3.0"
Compatible with current wheel
Wear Status
Wear Margin0.150" (12%)
ConditionGood