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SI stands for theInternational System of Units. They are called "SI" units because in French, International System of Units is written Système International d'Unités.
SI Base Units
- Length: meter (metre, m)
- Mass: kilogram (kg)
- Time: second (s)
- Electric current: ampere (A)
- Thermodynamic temperature: Kelvin (K)
- Amount of substance: mole (mol)
- Luminous intensity: candela (CD)
Some Derived SI Units :-The name of the unit and its symbol(s) is listed for each.
- Area: square meter (m2)
- Volume: cubic meter (m3) and liter (litre, L) (1 m3 = 1000 L)
- Frequency: Hertz (Hz, s-1)
- Density: kilogram per cubic meter (kg/m3) or gram per mL (g/mL) (1000 kg/m3 = 1 g/mL)
- Velocity or Speed: meter per second (m/s)
- Angular Velocity: radian per second (rad/s)
- Angular Displacement: radian (rad)
- Acceleration: meter per second per second (m/s2)
- Force: newton (N, kg .m/s2)
- Torque:newton meter (Nm)
- Pressure: pascal (P, N/m2)
- Work, Energy, Heat: joule (J, N . m)
- Power: watt (W, J/s)
- Electric Charge: coulomb (C, A . s)
- Potential difference: volt (V, W/A, J/C)
- Electric Field: volt per meter or newton per coulomb (V/m, N/C)
- Electric Resistance: ohm (Greek letter Omega, V/A)
- Electrical conductivity: siemen (S, 1/R)
- Capacitance: farad (F, A .s/V)
- Magnetic Flux: weber (Wb, V .s)
- Inductance: Henry (H, W .s/A)
- Magnetic Flux Density: tesla (T, Wb/m2)
- Magnetic Field Strength: ampere per meter (A/m)
- Entropy: joule per kelvin (J/K)
- Specific Heat: joule per kilogram kelvin (J/(kg . K))
- Thermal Conductivity: watt per meter kelvin (W/(m . K))
- Radiant Intensity: watt per steradian (W/sr)
*Use the related Links below this answer to get more information about SI units, including prefixes and other related units.
What else can I help you with?
What do you call the principal SI units that are used to derive all other SI units?
The principal SI units used to derive all other SI units are the base SI units. These are the units for physical quantities such as length, time, mass, electric current, temperature, amount of substance, and luminous intensity.
What is the difference between SI base units and derived units.?
There are 7 base SI units and all other are defined using these 7 base units. See the related question below:[http://wiki.answers.com/Q/What_are_all_the_SI_unitsWhat are all SI units?]
What values can not be measured using SI units a. length b. density c. temperature d. all of the above?
The correct answer doesn't appear in the list of choices.Each of those three quantities CAN be describes in SI units.
What the difference between SI base unit and SI derived unit?
There are 7 base SI units and all other are defined using these 7 base units. See the related question below:[http://wiki.answers.com/Q/What_are_all_the_SI_unitsWhat are all SI units?]
Are all metric units also system international?
No, not all metric units are part of the International System of Units (SI). The SI is a coherent system of units derived from the metric system, but it is more specific and defined, and not all metric units are included in the SI.
What is the unit for measuring foece?
In SI units, that would be the Newton.In SI units, that would be the Newton.In SI units, that would be the Newton.In SI units, that would be the Newton.
Do all scientist use SI units?
jelly beans
Why an airplane do not use the metric system?
All units used in the aerospace industry are SI units.
What are the general mathematical operations you use when converting one si unit to another?
All SI units are powers of 10. Multiplying by 10 will convert units.
What are SI units and how do you convert them to metric?
SI and metric are the same units.
SI is an abbreviation for System of Units?
International System of Units (SI)
How do tell what your BMI should be?
In SI Units: BMI = kg/m2In Imperial Units: BMI = lb*703/in2 or l*4.88/ft2PS: I love SI Units. I use them all the time.
