Speed Converters
Convert km/h, mph, knots, meters per second, and feet per second for speed limits, weather, sports, and vehicles.
Speed conversions help when comparing speed limits, wind reports, cycling data, running pace notes, and vehicle specifications.
Why this category matters
Speed values often appear in both metric and imperial formats. A dedicated category page helps you choose the right converter before jumping into a specific unit pair.
How to choose a tool
Start with the unit you already have, then open the matching converter. Each page includes the reverse direction, formula, quick table, and common use notes.
Accuracy guidance
Keep the original value precise, convert first, and round only the final result. This is especially important for recipes, vehicle specs, construction, health, and finance-adjacent estimates.
What to open next
If you need a quick answer, open the exact pair below. If you are comparing several values, use the reference tables on each converter and the related links to move between inverse or nearby unit pairs.
Speed conversion tools
Kilometers per Hour to Miles per Hour
Convert Kilometers per Hour (km/h) to Miles per Hour (mph) instantly.
Formula: mph = km/h × 0.621371192237334
Miles per Hour to Kilometers per Hour
Convert Miles per Hour (mph) to Kilometers per Hour (km/h) instantly.
Formula: km/h = mph × 0.621371192237334
Meters per Second to Feet per Second
Convert Meters per Second (m/s) to Feet per Second (ft/s) instantly.
Formula: ft/s = m/s × 3.280839895013123
Feet per Second to Meters per Second
Convert Feet per Second (ft/s) to Meters per Second (m/s) instantly.
Formula: m/s = ft/s × 3.280839895013123
Knots to Kilometers per Hour
Convert Knots (kn) to Kilometers per Hour (km/h) instantly.
Formula: km/h = kn × 1.852
Kilometers per Hour to Knots
Convert Kilometers per Hour (km/h) to Knots (kn) instantly.
Formula: kn = km/h × 1.852