Convert 1 mile / hour second to kilometer / hour second

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

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