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Gigameters/hour to kilometers/second (Gm/hr to km/s) Metric conversion calculator

Welcome to our gigameters/hour to kilometers/second (Gm/hr to km/s) conversion calculator. You can enter a value in either the gigameters/hour or kilometers/second input fields. For an understanding of the conversion process, we include step by step and direct conversion formulas. If you'd like to perform a different conversion, just select between the listed Speed units in the 'Select between other Speed units' tab below or use the search bar above. Tip: Use the swap button to switch from converting gigameters/hour to kilometers/second to kilometers/second to gigameters/hour.

gigameters/hour (Gm/hr)


kilometers/second (km/s)

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1 Gm/hr = 277.7777778 km/s 1 km/s = 0.0036 Gm/hr

Algebraic Steps / Dimensional Analysis Formula
Gm/hr * 1 Gm/s
3600 Gm/hr
* 1000000 km/s
1 Gm/s
= km/s

Direct Conversion Formula
Gm/hr * 277.7777778 km/s
1 Gm/hr
= km/s

feet/hour 0
feet/second 0
kilometers/hour 0
kilometers/second 0
knots 0
meters/hour 0
meters/second 0
miles/hour 0
miles/second 0
If you would like to switch between Speed units, select from the tables below

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