Drag racing performance estimator Quarter Mile Calculator Estimate quarter-mile elapsed time and trap speed from race weight and power, estimate power from a measured run, or convert an eighth-mile pass. Calculation Weight and power → quarter-mile estimateQuarter-mile result → horsepower estimate1/8-mile → 1/4-mile estimate Unit system US customary — lb, mphMetric — kg, km/h Vehicle … Read more
Calculate static engine compression ratio from bore, stroke, chamber, gasket, piston and deck measurements, or solve required chamber volume or gasket thickness.
Calculate simple or compound gear ratios, output RPM and torque, or solve vehicle speed, engine RPM and the required axle ratio.
Compare wheel width, offset and spacers to calculate backspacing, frontspacing, inner clearance, outer poke, tire position and track-width change.
Estimate current or future car value, depreciation amount, retained value, annualized rate, net sale proceeds and a year-by-year schedule.