The sthene conversion selector here selects the force measurement unit to convert to starting from sthene (sn). To make a conversion starting from a unit of force other than sthene, simply click on the "Reset" button.
The sthène is a unit of force in the metre-tonne-second system of units equal to 1,000 newtons (1 sn = 1,000 N), the SI derived unit of force.
The sthène (sn) is also equal to 1,000,000 millinewtons (mN), or 100,000 centinewtons (cN), or 100 decanewtons (daN), or 1.0 kilonewtons (kN) or 0.001 meganewtons (MN), which are units of force in the SI.
The sthène represents the amount of force needed to accelerate a mass of 1,000 kilograms to one meter per second squared:
1 sn = 1,000 kg × m/s2