The sthène (symbol sn), sometimes spelled (or misspelled) sthéne or sthene (from the Greek σθένος (sthenos) meaning "force"), is an obsolete unit of force or thrust in the metre–tonne–second system of units (mts) introduced in France in 1919.
| Definition | Relation to SI units |
|---|---|
≡ 1 t·m/s2 |
| dyne | kilopond | sthène | grave-force | short ton-force | ounce-force | gravet-force | long ton-force |
|---|---|---|---|---|---|---|---|
| 1 | 1.0197162129779 × 10-6 | 1.0 × 10-8 | 1.0197162129779 × 10-6 | 1.1240447154986 × 10-9 | 3.5969430927673 × 10-5 | 0.0010197 | 1.0036113531237 × 10-9 |
| 980 665 | 1 | 0.0098067 | 1 | 0.0011023 | 35.2739620 | 1 000 | 0.0009842 |
| 100 000 000 | 101.9716213 | 1 | 101.9716213 | 0.1124045 | 3,596.9430928 | 101,971.6212978 | 0.1003611 |
| 980 665 | 1 | 0.0098067 | 1 | 0.0011023 | 35.2739620 | 1 000 | 0.0009842 |
| 889,644,323.0521 | 907.18474 | 8.8964432 | 907.18474 | 1 | 32,000.0000282 | 907,184.74 | 0.8928571 |
| 27,801.3850709 | 0.0283495 | 0.0002780 | 0.0283495 | 3.1249999972442 × 10-5 | 1 | 28.3495231 | 2.7901785689681 × 10-5 |
| 980.665 | 0.001 | 9.80665 × 10-6 | 0.001 | 1.1023113109244 × 10-6 | 0.0352740 | 1 | 9.8420652761106 × 10-7 |
| 996,401,641.81835 | 1,016.0469088 | 9.9640164 | 1,016.0469088 | 1.12 | 35,840.0000316 | 1,016,046.9088 | 1 |
| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
| 1 sthènes | = 1000 newtons |
| 2 sthènes | = 2000 newtons |
| 3 sthènes | = 3000 newtons |
| 4 sthènes | = 4000 newtons |
| 5 sthènes | = 5000 newtons |