ConvBolt — Unit ConverterKilometer per Hour (km/h) Converter Hub
The kilometer per hour (km/h) is one of the units in the speed family. Rather than jump between 4 separate converter pages, this hub gathers every km/h conversion in one place: the table below gives the factor for each partner unit in both directions, so you can see at a glance whether a value will come out larger or smaller.
The numbers are exact to seven significant figures, which is more precision than most day-to-day work needs but matters when a factor is applied repeatedly in a spreadsheet or a batch calculation. As a quick sense of scale: 1000 km/h = 277.7778 m/s, and 1000 km/h = 621.3712 mph.
Every row links to a dedicated converter with a worked example, a full value table and the reverse page, so you can go straight from this overview to the specific conversion you need.
All km/h conversions
| Convert from km/h | Factor | Convert to km/h |
|---|---|---|
| km/h to m/s | 0.2777778 m/s | m/s to km/h |
| km/h to mph | 0.6213712 mph | mph to km/h |
| km/h to kn | 0.5399568 kn | kn to km/h |
| km/h to ft/s | 0.9113444 ft/s | ft/s to km/h |
Popular km/h conversions
Frequently asked questions
How many units can the km/h be converted to?
4 partner units in the Speed family: m/s, mph, kn, ft/s.
What is the km/h conversion factor?
Kilometer per Hour: 1 km/h = 0.2777778 m/s; 1 km/h = 0.6213712 mph; 1 km/h = 0.5399568 kn, and so on for every other partner unit.
Back to the Speed conversions hub, the ConvBolt Unit Converter, or browse our conversion guides.