Use this free online calculator to convert Foot/second to Kilometer/second instantly. This common speed conversions conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Foot/second = 3.048e-4 Kilometer/second

1 Kilometer/second = 3280.84 Foot/second

Foot/second to Kilometer/second Conversion Formula

To convert Foot/second to Kilometer/second, multiply by 3.048e-4.

Kilometer/second = Foot/second × 3.048e-4

Foot/second = Kilometer/second × 3280.84

To convert Kilometer/second back to Foot/second, divide by 3.048e-4 (or multiply by 3280.84).

About These Units

About Foot/second

Foot per second is a unit of velocity in the imperial system, measuring 0.3048 meters per second. Commonly used in engineering, construction, and physics applications in countries using imperial measurements. This unit is particularly useful for measuring moderate speeds such as projectile velocities, fluid flow rates, and mechanical systems.

About Kilometer/second

Kilometer per second is a high-velocity unit measuring 1000 meters per second. Used primarily in aerospace, astronomy, and ballistics for describing very fast-moving objects such as spacecraft, missiles, orbital velocities, and escape velocities. This unit is essential for space exploration calculations and high-energy physics applications.

Foot/second to Kilometer/second Conversion Table

Foot/second	Kilometer/second	Kilometer/second	Foot/second
0.1	3.048e-5	0.1	328.0840
0.5	1.524e-4	0.5	1640.42
1	3.048e-4	1	3280.84
2	6.096e-4	2	6561.68
5	1.524e-3	5	16404.20
10	3.048e-3	10	32808.40
20	6.096e-3	20	65616.80
25	7.620e-3	25	82021.00
50	0.015240	50	164041.99
100	0.030480	100	328083.99
250	0.076200	250	820209.97
500	0.152400	500	1640419.95
1000	0.304800	1000	3280839.90

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