UNITS, CONVERSIONS & USEFUL FORMULAE
Units, Conversions & Useful Formulae

Units, Conversions & Useful Formulae

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​1​UNITS, CONVERSIONS &​USEFUL FORMULAE

Timken

Stronger. By Design.

Timken Engineers apply their know-how to improve the reliability andperformance of machinery in diverse markets worldwide.The company designs, makes and markets high-performance steel as wellas mechanical components, including bearings, gears, chain and relatedmechanical power transmission products and services.​© 2012 The Timken Company.​Timken® ​is a registered trademark of the Timken Company. ​Less FrictionMore ProductsYou recieve one​uncomprimising […]

Basic SI units

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​ENGINEERS TECHNICAL HANDBOOK​RED BIRD MEDIA | P O BOX 291373, MELVILLE 2109 | GAUTENG, REP SOUTH AFRICA​TEL: 21(0)11 726 6236 | email: [email protected] Internationally determined prefixes Factor Prefix Symbol 10-18 Atto a 10-15 Femto f 10-12 Pico p 10-9 Nano n 10-6 Micro μ 10-3 Milli m 10-2 Centi c 10-1 Deci d 101 Deca […]

Basic SI units

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​ENGINEERS TECHNICAL HANDBOOK​RED BIRD MEDIA | P O BOX 291373, MELVILLE 2109 | GAUTENG, REP SOUTH AFRICA​TEL: 21(0)11 726 6236 | email: [email protected] Physical quantities and units of time Symbol Physical quantity SI unit symbol name Comment Further legal units Units no longer allowed l Length m (metre) Basic unit μm; mm; cm; dm; km; […]

Basic SI units

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​ENGINEERS TECHNICAL HANDBOOK​RED BIRD MEDIA | P O BOX 291373, MELVILLE 2109 | GAUTENG, REP SOUTH AFRICA​TEL: 21(0)11 726 6236 | email: [email protected] Physical quantities and units of time Symbol Physical quantity SI unit symbol name Comment Further legal units Units no longer allowed α Angular acceleration rad/s2 – °/s2 – V Volume flow rate […]

Unit conversions

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​ENGINEERS TECHNICAL HANDBOOK​RED BIRD MEDIA | P O BOX 291373, MELVILLE 2109 | GAUTENG, REP SOUTH AFRICA​TEL: 21(0)11 726 6236 | email: [email protected] ​UNIT CONVERSIONS length conversions Kelvin (TK) Degrees Celsius °C (tc) Degrees Farenheit °F (tF) Degrees Rankine °R TR Kelvin – TK 255.38 + 5 / 9 · tF TK = 5 / […]

Unit conversions

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​ENGINEERS TECHNICAL HANDBOOK​RED BIRD MEDIA | P O BOX 291373, MELVILLE 2109 | GAUTENG, REP SOUTH AFRICA​TEL: 21(0)11 726 6236 | email: [email protected] Volume conversions Unit Cubic in Cubic ft US quart US gallon imp quart imp gallon cm3 dm3 litre m3 1 cu in = 1 – 0.01732 – 0.01442 – 16.39 0.01639 – […]

Unit conversions

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​ENGINEERS TECHNICAL HANDBOOK​RED BIRD MEDIA | P O BOX 291373, MELVILLE 2109 | GAUTENG, REP SOUTH AFRICA​TEL: 21(0)11 726 6236 | email: [email protected] Power, energy flow, heat flow Power erg/s W kpm/s PS hp kW kcal/s Btu/s 1 erg/s = 1 10-7 0.102 . 10-7 0.136 . 10-9 0.1341 . 10–9 10-10 23.9 . 10-12 […]

Calculation of areas

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​ENGINEERS TECHNICAL HANDBOOK​RED BIRD MEDIA | P O BOX 291373, MELVILLE 2109 | GAUTENG, REP SOUTH AFRICA​TEL: 21(0)11 726 6236 | email: [email protected] CALCULATION OF AREAS A = Area U = Circumference Square Polygon A = A2a = √2d = a√2 A = A1 + A2 + A3 = (a h1 + b h2 + […]

Calculation of volumes

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​ENGINEERS TECHNICAL HANDBOOK​RED BIRD MEDIA | P O BOX 291373, MELVILLE 2109 | GAUTENG, REP SOUTH AFRICA​TEL: 21(0)11 726 6236 | email: [email protected] CALCULATION OF VOLUMES V = volume, O = surface M = generated surface Cube Frustrum of a cone V = a3O = 6 a2d = a √3 V = (π h) / […]

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