I am 5'3 have a very large chest for my age, naturally curvy and weigh just under 10stone how over weight am i?

Normal BMI: Height of 63" and weight of 10 stone (=140 lbs) produces a body mass index of 24.8, which is within the normal weight range. Continue to exercise, eat healthily (fruits, veggies, good fats, moderate protein, whole grains, plenty of fluids).

Check BMI : Use a BMI calculator to know. SEE: https://www.nhlbi.nih.gov/health/educational/lose_wt/BMI/bmicalc.htm. BMI Categories: Underweight = <18.5 * Normal weight = 18.5–24.9 * Overweight = 25–29.9 * Obesity = BMI of 30 or greater. By checking your BMI you can get an idea of whether you are in a healthy range.