Conversions

Weight: Pounds and Kilograms Calculator

Converts between pounds and kilograms.

Reviewed by Alex G, BSN, RN, CEN, CCRN, CMC, NREMT-P · From the Reference tab of the app

Turn on JavaScript to use this calculator, or open it in the web app.

Formula

kg = lb ÷ 2.2
lb = kg × 2.2

How it is used

• Drug doses are calculated in kilograms; always confirm which unit a stated weight is in.
• 1 kg = 2.2 lb; 1 oz = 28.35 g (a 7 lb 8 oz newborn weighs 3.4 kg).

Same formula as the app. Open it in the web app.

Related calculators

• Length: Inches and Centimeters
• Temperature: °F and °C
• Volume: Household and Metric

For education and exam preparation only. Follow your institution’s protocols. For education and exam preparation only. Verify results independently and follow your institution’s protocols. Not a substitute for clinical judgment.