Skip to the tool

📏 Waist-to-Height Ratio

📏 Waist-to-Height Ratio

NICE NG246 uses waist ÷ height as a central-adiposity screen for adults with BMI under 35. Measure the waist at the midpoint between the last rib and the hip bone. Not a diagnosis.

More in Health & Fitness

📏 Waist-to-Hip Ratio Calculator Calculate your waist-to-hip ratio and see your health risk category based on WHO guidelines.
🩸 HbA1c ⇄ Average Glucose Convert HbA1c (%) to estimated average glucose with the NGSP/DCCT formula (eAG mg/dL = 28.7 × A1c − 46.7). Educational…
🩺 Blood Pressure Category Guide Home-monitor numbers compared with NHS adult clinic bands (and a note on AHA). One reading is not a diagnosis. Seek…
🧍 Body Surface Area Calculator Estimate body surface area with Mosteller, Du Bois and Haycock formulae from height and weight. Used for some drug…
🧠 Glasgow Coma Scale Calculator Adult and pre-verbal paediatric GCS with the 2014 wording, "not testable" handled properly, the E-V-M string for the…
👁️ 20-20-20 Eye Rest Timer Optometrists’ rule for screen strain: every 20 minutes, look at something 6 metres (20 feet) away for 20 seconds. This…
🧂 Anion Gap & Corrected Electrolytes Anion gap with albumin correction and delta ratio, corrected sodium for hyperglycaemia, corrected calcium for albumin…
👶 APGAR Score Calculator The five components at 1, 5 and 10 minutes with the trend across all three, the resuscitation bands, and the caveats…

All 48 tools in Health & Fitness →