To measure normal values of VO2 in sedentary healthy females aged 18-25 years. To know normal values of VO2 in sedentary healthy females aged 18-25 years. 20 healthy females aged 18-25 years were selected as per the inclusion & the exclusion criteria. The study was conducted after taking consent from the subjects, personal details were obtained through performance, instructions about the procedure were given and required materials were used. Normal values of VO2 were measured using power lab machine with the treadmill. VO2 values of healthy females appear lower than those standards reported for females of comparable age, weight, and height in western countries. Current study presented normative data of VO2 in sedentary healthy females aged 18-25 years