Metric System Cheatsheet

Use this reference for hard-to-remember Metric system prefixes, funny words and decimal conversion. Poifect for when your head is so far up your yotta you peta exa zetta, hecto.

International System of Units
Prefix Base 10 Decimal English word
Name Symbol Short scale Long scale
yotta Y 10^24 1 000 000 000 000 000 000 000 000 septillion quadrillion
zetta Z 10^21 1 000 000 000 000 000 000 000 sextillion trilliard
exa E 10^18 1 000 000 000 000 000 000 quintillion trillion
peta P 10^15 1 000 000 000 000 000 quadrillion billiard
tera T 10^12 1 000 000 000 000 trillion billion
giga G 10^9 1 000 000 000 billion milliard
mega M 10^6 1 000 000 million
kilo k 10^3 1 000 thousand
hecto h 10^2 100 hundred
deca da 10^1 10 ten
10^0 1 one
deci d 10^-1 0.1 tenth
centi c 10^-2 0.01 hundredth
milli m 10^-3 0.001 thousandth
micro µ 10^-6 0.000 001 millionth
nano n 10^-9 0.000 000 001 billionth milliardth
pico p 10^-12 0.000 000 000 001 trillionth billionth
femto f 10^-15 0.000 000 000 000 001 quadrillionth billiardth
atto a 10^-18 0.000 000 000 000 000 001 quintillionth trillionth
zepto z 10^-21 0.000 000 000 000 000 000 001 sextillionth trilliardth
yocto y 10^-24 0.000 000 000 000 000 000 000 001 septillionth quadrillionth

Planning to mine Bitcoin or Ethereum? Perhaps you already know mining altcoins is where it’s at. When you need a secure place to vault the earnings you make on your rig be sure to check out Coinbase. Here’s $10 in free Bitcoin to get you started.