Mass fraction of the stellar convective envelope as a function of a) total stellar mass and b) effective temperature. c) Difference in convective envelope mass between magnetic and standard stellar evolution models as a function of effective temperature. The difference is shown as the convective envelope mass of a magnetic model minus the convective envelope mass of a standard stellar model at the same effective temperature, (M_{conv. env., mag}−M_{conv. env, std}), shown for two ages of standard models (5 Myr, 10 Myr).