Code | Prefix | Power of 10 Linear |
Power of 10 Square |
Power of 10 Cubic |
Equlivalent Part/Fold |
---|---|---|---|---|---|
Googol | 100 | 200 | 300 | 10100, Googolfold | |
Y | Yotta | 24 | 48 | 72 | 1024, Septillionfold |
Z | Zetta | 21 | 42 | 63 | 1021, Sextillionfold |
E | Exa | 18 | 36 | 54 | 1018, Quintillionfold |
P | Petra | 15 | 30 | 45 | 1015, Quadrillionfold |
T | Tera | 12 | 24 | 36 | 1012, Trillionfold |
G | Giga | 9 | 18 | 27 | 1,000,000,000; Billionfold |
M | Mega | 6 | 12 | 18 | 1,000,000; Millionfold |
Myria | 4 | 8 | 12 | 10,000, Ten Thousandfold | |
k | Kilo | 3 | 6 | 9 | 1000, Thousandfold |
h | Hecto | 2 | 4 | 6 | 100, Hundredfold |
da | Deca | 1 | 2 | 3 | 10, Tenfold |
Nona | 9, Ninefold | ||||
Octa | 8, Eightfold | ||||
Septa | 7, Sevenfold | ||||
Hexa | 6, Sixfold | ||||
Quinte | 5, Fivefold | ||||
Quadri | 4, Fourfold | ||||
Tri | 3, Threefold | ||||
Bi | 2, Twofold | ||||
Uni | 1, whole | ||||
Semi | 1/2, half part | ||||
Tetarto | 1/4, fourth part | ||||
d | Deci | -1 | -2 | -3 | 1/10, tenth part |
c | Centi | -2 | -4 | -6 | 1/100, hundredth part |
m | Milli | -3 | -6 | -9 | 1/1000, thousandth part |
u | Micro | -6 | -12 | -18 | 10-6, millionth part |
n | Nano | -9 | -18 | -27 | 10-9, billionth part |
p | Pico | -12 | -24 | -36 | 10-12, trillionth part |
f | Femto | -15 | -30 | -45 | 10-15, quadrillionth part |
a | Atto | -18 | -36 | -54 | 10-18, quintillionth part |
z | Zepto | -21 | -42 | -63 | 10-21, sextillionth part |
y | Yocto | -24 | -48 | -72 | 10-24, septillionth part |
To convert from prefixed-unit to basic unit, multiply by 10 to its power (reverse of above, multiply by 10 to the 3rd power or 103to return to meters.
To go from one prefix to another (Mega to kilo), multiply by the difference of powers of 10 (former minus latter power of 10).
Mega = 106, kilo = 103, difference is 103 (use that figure to multiply with)
Centi = 10-2, kilo = 103, difference is 105 (multiply using this figure)
All units are converted to basic or common units before conversion takes place.
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