Metre Per Second
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Metre Per Second
Metre per second
Unit systemSI
Unit ofspeed
Symbolm/s
Conversions
km/h3.6
mph2.2369
kn1.9438
ft/s3.2808

The metre per second is an SI derived unit of both speed (scalar quantity) and velocity (vector quantity (which have direction and magnitude)), equal to the speed of a body covering a distance of one metre in a time of one second.

The SI unit symbols are m/s, m·s-1, m s-1, or ,[1] sometimes (unofficially) abbreviated as mps.[]

## Conversions

is equivalent to:

= 3.6 km/h (exactly)[2]
? 3.2808 feet per second (approximately)[3]
? 2.2369 miles per hour (approximately)[4]
? 1.9438 knots (approximately)[5]

1 foot per second = (exactly)[6]

1 mile per hour = (exactly)[7]

km/h = (exactly)[8]

## Relation to other measures

The benz, named in honour of Karl Benz, has been proposed as a name for one metre per second.[9] Although it has seen some support as a practical unit,[10] primarily from German sources,[9] it was rejected as the SI unit of velocity[11] and has not seen widespread use or acceptance.[12]

## Unicode character

The "metre per second" symbol is encoded by Unicode at code point SQUARE M OVER S ? m/s ?.[13]

## References

1. ^ SI brochure, Section 5.1
2. ^ CDX Automotive (2013). South African Automotive Light Vehicle Level 3. Jones & Bartlett Learning. p. 478. ISBN 978-1449697853.
3. ^ Dinçer, ?brahim; Rosen, Marc A. (2007). EXERGY: Energy, Environment and Sustainable Development. Amsterdam: Elsevier. p. 444. ISBN 9780080531359. OCLC 228148217.
4. ^ Jazar, Reza N. (2017). Vehicle Dynamics: Theory and Application (3. ed.). Cham, Switzerland: Springer. p. 957. ISBN 9783319534411. OCLC 988750637.
5. ^ Collinson, R.P.G. (2013). Introduction to Avionics Systems (2. ed.). Boston: Springer Science & Business Media. p. 16. ISBN 9781441974662. OCLC 861706692.
6. ^ Potter, Merle C; Wiggert, David C; Ramadan, Bassem H. (2016). Mechanics of Fluids, SI Edition (5. ed.). Cengage Learning. p. 722. ISBN 978-1305887701.
7. ^ Das, Braja M.; Kassimali, Aslam; Sami, Sedat (2010). Mechanics for Engineers: Statics. Ft. Lauderdale, FL: J. Ross Publishing. p. 556. ISBN 9781604270297. OCLC 419827343.
8. ^ Wright, Gus (2015). Fundamentals of medium/heavy duty diesel engines. Burlington, Massachusetts: Jones & Bartlett Publishers. p. 1349. ISBN 9781284067057. OCLC 927104266.
9. ^ a b Klein HA. (2011). The Science of Measurement: A Historical Survey. Dover Publications. p. 695. ISBN 978-0486258393.
10. ^ Heijungs R. (2005). "On the Use of Units in LCA". The International Journal of Life Cycle Assessment. 10 (3): 174. doi:10.1065/lca2005.02.199.
11. ^ Cardarelli F. (2004). Encyclopaedia of Scientific Units, Weights and Measures: Their SI Equivalences and Origins. Transl. by MJ Shields. (3rd revised ed.). Springer. p. 217. ISBN 978-1852336820.
12. ^ Dresner S. (1974). Units of Measurement: An Encyclopaedic Dictionary of Units Both Scientific and Popular and the Quantities They Measure. Harvey Miller and Medcalf. p. 13. ISBN 978-0-85602-036-0.
13. ^ Unicode Consortium (2019). "The Unicode Standard 12.0 - CJK Compatibility ? Range: 3300--33FF ?" (PDF). Unicode.org. Retrieved 2019.