Just few hours ago I thought about possibility of having articles in English on this website; this is the first one, something of simple and easy to write down, but at least is something for startup. “OFS – US to SI Converter” is an Excel sheet that permits the conversions of units between US units system and SI system.
Here a list of what I’ve included:
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Acceleration
(accelerazione)
- in./sec² -> m/s² (2.54E-02)
- ft/sec² -> m/s² (3.048E-01)
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Area
(area)
- in.² -> m² (6.4516E-04)
- ft² -> m² (9.2903E-02)
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Area Moment of Inertia
(momento d’inerzia d’area)
- in.^4 -> m^4 (6.4516E-04)
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Density
(densità)
- lb (avoir.)/in.³ -> kg/m³ (2.7680E04)
- lb (avoir.)/ft³ (pcf) -> kg/m³ (1.6018E01)
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Energy
(energia)
- ft-lb -> J (1.3558)
- Btu -> J (1.0551E03)
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Force
(forza)
- lb -> N (4.4482)
- kip (1000 lb) -> N (4.4482E03)
- ton (2000 lb) -> N (8.8964E03)
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Length
(lunghezza)
- in. -> m (2.54E-02)
- ft -> m (3.048E-01)
- mi -> m (1.6093E03)
- nautical mi -> m (1.852E03)
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Mass
(massa)
- lb-sec²/ft (slug) -> kg (1.4594E01)
- lb (avoir.) -> kg (4.5359E-01)
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Mass Moment of Inertia
(momento d’inerzia di massa)
- lb-ft-sec² (slug-ft²) -> kg m² (1.3558)
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Moment
(momento)
- in.-lb -> N m (1.1298E-01)
- ft-lb -> N m (1.3558)
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Pressure
(pressione)
- lb/in.² (psi) -> Pa (6.8948E03)
- lb/ft² (psf) -> Pa (4.7880E01)
- tons/ft² (tsf) -> Pa (9.5760E04)
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Velocity
(velocità)
- ft/sec -> m/s (3.048E-01)
- mi/hr -> m/s (4.4704E-01)
- nautical mi/hr (knot) -> m/s (5.1444E-01)
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Volume
(volume)
- in³ -> m³ (1.6387E-05)
- ft³ -> m³ (2.8317E-02)
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You can download the .XLSX version from here:
http://www.box.net/shared/nzhutt3dz4
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and the .XLS version (97-2003) from here:
http://www.box.net/shared/h4igd9ryrc
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The file are protected against accidental modifies; you have only to insert values in coloured cells. If you want to unblock the cells then you have to use as password “Inter“, without quotes (yes, I’m a great Inter F.C. fan).
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For guidance, reports and more you can contact the author at:
Eng. Onorio Francesco Salvatore
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