Tire Size Calculator & DOT Age

Compare tire sizes, check DOT tire age, load index, wheel offset. Works offline

A tire size calculator, a tire size comparison and a DOT tire age checker in one app. Type the code molded on the sidewall and get plain numbers: diameter, load index, speed rating and the date the tire was made. Everything works offline.TIRE SIZE CALCULATOREnter 225/45R17 and get overall diameter, section width, sidewall height, circumference and revolutions per mile and per kilometer. Metric, flotation (33x12.50R1…