BMI and Surgery Suitability Calculator

Calculate your body mass index (BMI) from height and weight and compare it with the general safety limit for your chosen procedure.

Height168 cm

140 cm210 cm

Weight66 kg

40 kg160 kg

Planned procedure

Your body mass index (BMI)23.4

General BMI limit for the chosen procedure32

Under the general limit? (1 = yes, 0 = no)1

Weight to lose to reach the limit (kg)0.0

Normal BMI range – lower weight (18.5)52.2

Normal BMI range – upper weight (24.9)70.3

Free photo assessment

This tool is for information only and is not medical advice. BMI limits are general safety thresholds; the decision on surgery is made from the surgeon's examination, anaesthesia assessment, laboratory results and your general health. BMI can be misleading in people with high muscle mass.

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