Convert 1 kilometer / hour second to mile / hour second

1 km/h-s (kilometer / hour second) is equal to 0.6213711922499999 mi/hr-s (mile / hour second). To convert from kilometer / hour second to mile / hour second, multiply by 0.6213711922499999 or divide by 1.6093439999671952.

• 1 km/h-s × 0.62137119225 = 0.62137119225 mi/hr-s
• 1 km/h-s ÷ 1.6093439999672 = 0.62137119225 mi/hr-s