Simple pounds-to-kilograms conversion A nurse shares a simple ... by 2.2 quickly in your head or having to look all over for a calculator. — Debra Mallory, RN, PhD, NP-BC, Terre Haute, Ind.

You can use a calculator, of course ... 122+12.2 = 134.2 That's how you can easily convert kg to lbs in your head.

The approximation we use for kilograms (kg) to pounds (lb) is 1 kg = 2.2 lb. To convert from kilogram to pound, we multiply by 2.2. \(\text{kilogram}~\rightarrow~\times\text{2.2}~\rightarrow\text ...