Fixed force ratios
One newton equals 100,000 dyn exactly. One kilogram-force equals 9.80665 N exactly. One pound-force equals 4.4482216152605 N exactly, and one kip equals 1,000 lbf, or 4,448.2216152605 N. For any requested pair, multiply by the source unit's newton factor and divide by the target unit's newton factor. These ratios also permit a direct reverse check.