Another teacher and I were just discussing the conversion between pounds and Newtons. The actual English unit is pound-force.
1 pound-force = 4.4482216 Newtons
You can use this handy calculator to perform a grossly unnecessary number of different force conversions.
You can also check your answer by “converting” Newtons to Kilograms, then multiplying by 2.2 to convert to pounds.
1 kilogram-force = 9.80665 newton
1 kilogram-force = 2.2046226 pound-force
(This isn’t a true conversion because it assumes you’re in Earth’s gravity; otherwise, it’s not valid.)
Its also not valid at all places on Earth. Isn’t there a measurable difference between weight at sea-level and the same mass’s weight on a mountain-top?
Comment by DAG — Monday, June 25, 2007 @ 8:47 am
DAG-
Yes, though I’m not sure how measurable the difference is with normal instruments. Wikipedia goes into some detail on this.
Comment by Justin — Tuesday, November 20, 2007 @ 10:42 am