Best Answer: In the under 200 pound weight range, a rough conversion of BMI points is 1 BMI point = 5 pounds.In the 300 pound range, a BMI point stretches closer to 10 pounds.ext. My BMI is 36.6 and I was wondering how much weight you think I should loose (I weight 213 and I know thats terrible but I gained it all from Depakote (Mood stabilizer)I was 130 2 years ago).