Kilometer per Hour to Kilometer per Second Converter

Convert Kilometer per Hour to Kilometer per Second instantly — live results with exact conversion factors.

From

0.000277777778 km/s

1 kilometer per hour = 0.0002777777778 kilometers per second. To convert km/h to km/s, multiply by 0.0002777777778.

Quick Reference Table

Kilometer per Hour (km/h)	Kilometer per Second (km/s)
1	0.000277777778
2	0.000555555556
5	0.00138888889
10	0.00277777778
20	0.00555555556
50	0.013888889
100	0.027777778
250	0.069444444
500	0.13888889
1000	0.27777778

Formula

Convert Kilometer per Hour (km/h) to Kilometer per Second (km/s) using the relationship:

km/s = km/h × 0.0002777777778

How to Convert

Take the value in kilometers per hour (km/h).
Multiply it by 0.0002777777778 (the conversion factor from km/h to km/s).
The result is the equivalent value in kilometers per second (km/s).
Example: 1 km/h = 0.000277777778 km/s.

Reverse Conversion

Need it the other direction? Kilometer per Second to Kilometer per Hour conversion.

All Speed Conversions

See the full list of Speed conversions.

Related Conversions

FAQ

▸ How many kilometers per second are in 1 kilometer per hour?

1 Kilometer per Hour equals 0.000277777778 kilometers per second. Multiply by 0.0002777777778 to convert km/h to km/s.

▸ What is the formula to convert kilometer per hour to kilometer per second?

Multiply the value in kilometers per hour by 0.0002777777778 to get kilometers per second. Formula: km/s = km/h × 0.0002777777778.

▸ How do I convert kilometers per hour to kilometers per second easily?

Enter your value in the converter at the top of this page — the kilometers per second result updates live as you type. You can also multiply by 0.0002777777778 directly.

Answer