Devine Formula Reference Weight
The 1974 Devine formula (50/45.5 kg + 2.3 kg per inch over 5 ft) — the standard clinical dosing-reference weight.
Devine's formula was published for gentamicin dosing, not as a weight goal — it remains the default 'IBW' in pharmacokinetics, ventilator tidal-volume settings and creatinine-clearance estimates. It is a dosing reference, not a target anyone should aim their body at.
Formula
Reference aid for healthcare professionals only. Every result must be independently verified before clinical use. Never use this tool for self-medication or to replace clinical judgement.
The 1974 Devine formula (50/45.5 kg + 2.3 kg per inch over 5 ft) — the standard clinical dosing-reference weight. The Devine Formula Reference Weight is a free, private devine formula tool — every result computes instantly in your browser with no sign-up and no data upload.
About Devine Formula Reference Weight
Devine's formula was published for gentamicin dosing, not as a weight goal — it remains the default 'IBW' in pharmacokinetics, ventilator tidal-volume settings and creatinine-clearance estimates. It applies IBW = 50 kg (M) / 45.5 kg (F) + 2.3 kg × (inches over 5 ft). Use the Devine Formula Reference Weight to get an instant, clearly-explained result with the working shown step by step — free, private and with the source method cited.
How to use Devine Formula Reference Weight
- 1Enter your details in the Devine Formula Reference Weight input fields above.
- 2The result updates instantly with the working and reference bands shown.
- 3Adjust any value to explore how it changes the outcome — it's free and unlimited.
Why use Devine Formula Reference Weight?
- ✓Instant devine formula result that recomputes as you type — no waiting, no page reloads
- ✓100% client-side: your health data never leaves your browser
- ✓Shows the actual formula and your numbers substituted in, so you can see exactly how the result is reached
- ✓Based on published, citable sources (Devine BJ, Drug Intell Clin Pharm 1974;8:650-5)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the Devine Formula Reference Weight work?+
Devine's formula was published for gentamicin dosing, not as a weight goal — it remains the default 'IBW' in pharmacokinetics, ventilator tidal-volume settings and creatinine-clearance estimates. The calculation uses the formula: IBW = 50 kg (M) / 45.5 kg (F) + 2.3 kg × (inches over 5 ft). Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the Devine Formula Reference Weight accurate, and what is it based on?+
The method is traceable to authoritative sources: Devine BJ, Drug Intell Clin Pharm 1974;8:650-5. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the Devine Formula Reference Weight free and private?+
Yes. It's completely free with no sign-up, and all computation happens locally in your browser, so none of your health data ever leaves your device.
Can I use this for medical decisions?+
This is a reference aid for healthcare professionals and must be independently verified. It is not for self-diagnosis or self-medication.
What can I use the Devine Formula Reference Weight for?+
It's commonly used for devine formula, ideal body weight devine, dosing reference weight. The 1974 Devine formula (50/45.5 kg + 2.3 kg per inch over 5 ft) — the standard clinical dosing-reference weight.
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