Work out boxing weight class instantly with clear inputs, formula shown and shareable results.
Professional boxing limits are defined in pounds, so the weight is converted at 2.2046226 lb per kg and matched to the lowest division whose limit it does not exceed. Because the divisions are only a few pounds apart in the lower weights, a rounding error in the conversion can put a fighter in the wrong class.
Division
division = the lowest class whose pound limit is greater than or equal to the fighter's weight in pounds
Conversion
pounds = kilograms x 2.2046226
division = the lowest class whose pound limit is greater than or equal to the fighter's weight in pounds. Professional boxing limits are defined in pounds, so the weight is converted at 2.2046226 lb per kg and matched to the lowest division whose limit it does not exceed.
Because the divisions are only a few pounds apart in the lower weights, a rounding error in the conversion can put a fighter in the wrong class.
Enter weight, report limits in. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.