Base Units:
1. Meter (m) - Unit of length
2. Kilogram (kg) - Unit of mass
3. Second (s) - Unit of time
4. Ampere (A) - Unit of electric current
5. Celsius (C) - Unit of temperature
6. Kelvin (K) - Another Unit of temperature
7. Mole (mol) - Unit of amount of substance
8. Candela (cd) - Unit of luminous intensity
Common Metric Prefixes and Their Abbreviations:
- kilo- (k) = 10310^3103 = 1,000
- hecto- (h) = 10210^2102 = 100
- deca- (da) = 10110^1101 = 10
- deci- (d) = 10−110^{-1}10−1 = 0.1
- centi- (c) = 10−210^{-2}10−2 = 0.01
- milli- (m) = 10−310^{-3}10−3 = 0.001
- micro- (μ) = 10−610^{-6}10−6 = 0.000001
- nano- (n) = 10−910^{-9}10−9 = 0.000000001
- pico- (p) = 10−1210^{-12}10−12 = 0.000000000001
- femto- (f) = 10−1510^{-15}10−15 = 0.000000000000001
- atto- (a) = 10−1810^{-18}10−18 = 0.000000000000000001
- zepto- (z) = 10−2110^{-21}10−21 = 0.000000000000000000001
- yocto- (y) = 10−2410^{-24}10−24 = 0.000000000000000000000001
Derived Units:
- Square meter (m²) - Unit of area
- Cubic meter (m³) - Unit of volume
- Newton (N) - Unit of force (kg·m/s²)
- Joule (J) - Unit of energy (N·m)
- Watt (W) - Unit of power (J/s)
- Pascal (Pa) - Unit of pressure (N/m²)
- Hertz (Hz) - Unit of frequency (1/s)
- Coulomb (C) - Unit of electric charge (A·s)
- Volt (V) - Unit of electric potential (W/A)
- Ohm (Ω) - Unit of electrical resistance (V/A)
- Siemens (S) - Unit of electrical conductance (1/Ω)
- Farad (F) - Unit of capacitance (C/V)
- Henry (H) - Unit of inductance (V·s/A)
- Lumen (lm) - Unit of luminous flux (cd·sr)
- Lux (lx) - Unit of illuminance (lm/m²)
- Becquerel (Bq) - Unit of radioactivity (1/s)
- Gray (Gy) - Unit of absorbed dose of radiation (J/kg)
- Sievert (Sv) - Unit of equivalent dose of radiation (J/kg)
These abbreviations are widely used in scientific, engineering, and everyday contexts to simplify the expression of measurements.
