Speed Calculator

Average speed = distance / time. Enter distance and time; results update instantly.

Distance

📏 Distance

⏱️ Hours

Minutes

Seconds

Unit:

Speed

0 km/h

Enter distance and time to see your speed.

Formula: v = d / t
(Provide inputs to see the steps.)

Common speed conversions

Base	= km/h	= mph	= ft/s	= kn
1 m/s	3.6	2.23694	3.28084	1.94384
1 km/h	—	0.621371	0.911344	0.539957
1 mph	1.60934	—	1.46667	0.868976
1 kn	1.852	1.15078	1.68781	—

SI units & conversions: NIST & BIPM

Knots definition: International Hydrographic Organization

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