(Y) yotta 10^24 (y) yocto 10^−24
(Z) zetta 10^21 (z) zepto 10^−21
(E) exa 10^18 (a) atto 10^−18
(P) peta 10^15 (f) femto 10^−15
(T) tera 10^12 (p) pico 10^−12
(G) giga 10^9 (n) nano 10^−9
(M) mega 10^6 (μ) micro 10^−6
(k) kilo 10^3 (m) mili 10^−3
(h) hecto 10^2 (c) centi 10^−2
(da) deca 10 (d) deci 10^−1
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physics units
mass: g , t , ct
Time: s, min, h
Temperature: K, ℃
Quantity of material: mol
An area: u, a
A volume: l, ㎥
Frequency: Hz
The voltage: V
An electric current: A
Electricity: W
The intensity of light: cd
The speed: m/s, m/h, kn, kt
Acceleration: m/s^2
Pressure: N/u, Pa, b, mHg, atm
Work: J, erg, Ws, Wh, kgwm
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units of information
bit(b)
Byte(B) 1B = 8b
Kilo Byte(KB) 1KB = 1,000B
= 10^3 = 1,000 Byte
Mega Byte(MB) 1MB = 1,000KB
= (10^3)^2 = 106 = 1,000,000 Byte
Giga Byte(GB) 1GB = 1,000MB
= (10^3)^3 = 109 = 1,000,000,000 Byte
Tera Byte(TB) 1TB = 1,000GB
= (10^3)^4 = 1012 = 1,000,000,000,000 Byte
Peta Byte(PB) 1PB = 1,000TB
= (10^3)^5 = 1015 = 1,000,000,000,000,000 Byte
Exa Byte(EB) 1EB = 1,000PB
= (10^3)^6 = 1018 = 1,000,000,000,000,000,000 Byte
Zetta Byte(ZB) 1ZB = 1,000EB
= (10^3)^7 = 1021 = 1,000,000,000,000,000,000,000 Byte
Yotta Byte(YB) 1YB = 1,000ZB
= (10^3)^8 = 1024 = 1,000,000,000,000,000,000,000,000 Byte