Przelicznik Prędkości
Darmowy przelicznik prędkości — km/h, mph, m/s, węzły, ft/s. Jazda, bieganie, żeglarstwo, lotnictwo. Natychmiastowe, dokładne, działa w całości w przeglądarce.
Runs in your browserUpdated Apr 26, 2026
Speed converter
All speed conversions
Meter / second
0.2777777778 m/s
Mile / hour
0.6213711922 mph
Foot / second
0.9113444153 ft/s
Knot
0.5399572699 kn
Mach (sea level)
0.0008098477486 Mach
Często zadawane pytania
›How do I convert mph to km/h?
Multiply mph by 1.609. So 60 mph ≈ 96.6 km/h. Or just type it in.
›What is a knot?
A knot is one nautical mile per hour, equal to 1.852 km/h or 1.151 mph. Used in marine and aviation contexts.
›How fast is the speed of light?
Light in vacuum travels at exactly 299,792,458 m/s — that's about 670 million mph or 1.08 billion km/h.
›Are running paces supported?
You can convert between any speed units, but for pace conversions (e.g. min/km ↔ min/mile) use a dedicated running pace tool.
›Is the converter free?
Yes — free, no ads, runs in your browser.