THE METRIC SYSTEM:

FROM YOTTA TO YOCTO

1. metric
   

 

FROM YOTTA TO YOCTO

        First adopted in France in 1791, the metric system is an international decimalized system of measurement, used by most of the world (except the United States) today. The prefixes below are commonly used to measure meters, litres, grams, and seconds.

Prefix	Symbol	Measurement	Number	Scientific Notation
Yotta-	Y	septillion	1,000,000,000,000,000,000,000,000	1024
Zetta-	Z	sextillion	1,000,000,000,000,000,000,000	1021
Exa-	E	quintillion	1,000,000,000,000,000,000	1018
Peta-	P	quadrillion	1,000,000,000,000,000	1015
Tera-	T	trillion	1,000,000,000,000	1012
Giga-	G	billion	1,000,000,000	109
Mega-	M	million	1,000,000	106
Kilo-	k	thousand	1,000	103
Hecta-	h	hundred	100	102
Deka-	D	ten	10	101
BASE	none	one	1	100
Deci-	d	tenth	0.1	10-1
Centi-	c	hundredth	0.01	10-2
Milli-	m	thousandth	0.001	10-3
Micro-	μ	millionth	0.000 001	10-6
Nano-	n	billionth	0.000 000 001	10-9
Pico-	p	trillionth	0.000 000 000 001	10-12
Femto-	f	quadrillionth	0.000 000 000 000 001	10-15
Atto-	a	quintillionth	0.000 000 000 000 000 001	10-18
Zepto-	z	sextillionth	0.000 000 000 000 000 000 001	10-21
Yocto-	y	septillionth	0.000 000 000 000 000 000 000 001	10-24

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