Unit EqualitiesNomenclature & Symbols for Engineering, Mathematics, and Science A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z |
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| Symbol | English | Metric | SI |
| Ampere - A, \;I |
- | I = \large{\frac{C}{s}} | C - s^{-1} |
| Btu - Btu | Btu = lbf-ft | Btu = J = kJ = W-h | J |
| Celsius - C | - | C | x+273.15\;K |
| Coulomb - C | - | C = A-s | A-s |
| Farad - F | - | F = \large{\frac{s^4-A^2}{kg-m^2}} = \large{\frac{S^2-C^2}{kg-m^2}} = \large{\frac{C}{V}} = \large{\frac{A-s}{V}} = \large{\frac{W-s}{V^2}} = \large{\frac{J}{V^2}} = \large{\frac{N-m}{V^2}} = \large{\frac{C^2}{J}} = \large{\frac{C^2}{N-m}} = \large{\frac{S}{\Omega}} = \large{\frac{1}{\Omega-Hz}} = \large{\frac{S}{Hz}} = \large{\frac{s^2}{H}} | s^4-A^2-kg^{-1}-m^{-2} |
| Gauss - G | - | G = \large{\frac{T}{10^4}} = Mx-cm^2 = \large{\frac{g}{Bi-s^2}} | T-10^{-4} |
| Henry - H | - | H = \large{\frac{kg-m^2}{s^2-A^2}} = \large{\frac{N-m}{A^2}} = \large{\frac{kg-m^2}{C^2}} = \large{\frac{J}{A^2}} = \large{\frac{T-m^2}{A}} = \large{\frac{Wb}{A}} = \large{\frac{V-s}{A}} = \large{\frac{s^2}{F}} = \large{\frac{\Omega}{Hz}} = \Omega-s | kg-m^2-s^{-2}-A^{-2} |
| Hertz - Hz | - | Hz = s^{-1} (one cycle per sec) | s^{-1} |
| Horespower - hp | hp | hp = W | W |
| Joule - J | lbf-ft | J = \large{\frac{kg-m^2}{s^2}} = N-m = Pa-m^3 = W-s = C-V = \Omega-A^2-s | kg-m^2-s^{-2} |
| Joule-sec - J-s | \large{\frac{lbf-ft}{sec}} | J-s = \large{\frac{kg-m^2}{s}} | kg-m^2-s^{-1} |
| Kelvin - K | - | K | x-273.15\;C |
| Maxwell - Mx | - | Mx = \large{\frac{Wb}{10^{8}}} = \large{\frac{G}{cm^2}} | Wb-10^{-8} |
| Newton - N | lbf | N = \large{\frac{kg-m}{s^2}} | kg-m-s^{-2} |
| Newton-meter - N-m | lbf-ft | N-m = \large{\frac{kg-m^2}{s^2}} | kg-m^2-s^{-2} |
| Ohm - (\Omega), \;(R) | - | \Omega = \large{\frac{kg-m^2}{s^3-A^2}} = \large{\frac{kg-m^2}{s-C^2}} = \large{\frac{J}{s-A^2}} = \large{\frac{V}{A}} = \large{\frac{1}{S}} = \large{\frac{W}{A^2}} = \large{\frac{V^2}{W}} = \large{\frac{s}{F}} = \large{\frac{H}{s}} = \large{\frac{J-s}{C^2}} | kg-m^2-s^{-3}-A^{-2} |
| Poise - P | \large{\frac{lbf}{ft-sec}} | P = \large{\frac{kg}{0.1\;m-s}} = 1\;dyn-s-cm^2 = \large{\frac{N-s}{m^2}} | kg-0.1\;m^{-1}-s^{-1} |
| Pascal - Pa | \large{\frac{lbf}{in^2}} | Pa = \large{\frac{kg}{m-s^2}} = \large{\frac{N}{m^2}} = \large{\frac{J}{m^3}} | kg-m^{-1}-s^{-2} |
| Pascal-sec - Pa-s | \large{\frac{lbf-sec}{ft^2}} | Pa-s = \large{\frac{kg}{m-s}} = \large{\frac{N-s}{m^2}} = 10\;P | kg-m^{-1}-s^{-1} |
| MegaPascal - MPa | \large{\frac{lbf}{in^2}} | MPa = \large{\frac{N}{mm^2}} | N-mm^{-2} |
| Siemens - S | - | S = \large{\frac{s^3-A^2}{kg-m^2}} | s^3-A^2-kg^{-1}-m^{-2} |
| Tesla - T | - | T = \large{\frac{kg}{s^2-A}} = \large{\frac{V-s}{m^2}} = \large{\frac{N}{A-m}} = \large{\frac{J}{A-m^2}} = \large{\frac{H-A}{m^2}} = \large{\frac{Wb}{m^2}} = \large{\frac{kg}{C-s}} = \large{\frac{N-s}{C-m}} = \large{\frac{kg}{A-s^2}} | kg-s^{-2}-A^{-1} |
| Torr - Torr | - | Torr = Pa | kg-m^{-1}-s^{-2} |
| Volt - V | - |
V = \large{\frac{kg-m^2}{s^{3}-A}} = A-\Omega = \large{\frac{Wb}{s}} = \large{\frac{W}{A}} = \large{\frac{J}{C}} = \large{\frac{eV}{e}}
|
kg-m^2-s^{-3}-A^{-1} |
| Watt - (W), \;(P) | \large{\frac{lbf-ft^2}{ssec^3}} | W = \large{\frac{kg-m^2}{s^3}} = \large{\frac{J}{s}} = \large{\frac{N-m}{s}} | kg-m^2-s^{-3} |
| Weber - Wb | \large{\frac{V}{sec}} | Wb = \large{\frac{kg-m^2}{s^2-A}} = \large{\frac{N-m}{A}} = \large{\frac{J}{A}} = \Omega-C = V-s = H-S = T-m^2 = 10^8-Mx | kg-m^2-s^{-2}-A^{-1} |
