Speed Converters
56 conversion pages for speed units, each with its exact factor, the formula and a reference table.
The Speed Converters collection covers 56 pages of speed units — one page for each ordered pair of units, so there is nothing to configure before you get an answer.
Conversions are split one per direction rather than collapsed into a single dual-dropdown tool. It means “Feet Per Second to Kilometers Per Hour” lands on a page about exactly that, with the right examples and the right reference table, instead of a generic converter you have to set up before it tells you anything.
Every page states the exact factor it uses, writes the formula out in full, and shows the arithmetic applied to real numbers rather than only handing you an answer. Where a factor is defined rather than measured — an inch is exactly 25.4 mm, a pound exactly 0.45359237 kg — the page says so, so you can see the result is exact and not a rounded approximation of an approximation.
This collection reaches across metres per second, km/h, mph, knots and feet per second. Sitting in Speed & Rotation Units, it links back to the sibling collections that share its units, so a chain of conversions never needs a second tab.