Units Index

Unit Multiples

Note: The multiples below are generally in accordance is BS 5775-0:1993, ISO 31-0:1992

Factor Prefix Symbol
1024 Yotto Y
1021 Zetta Z
1015 Peta P
1012 Tera T
109 Giga G
106 Mega M
103 kilo k
102 hecto h
10 deca da
10-1 deci d
10-2 centi c
10-3 milli m
10-6 micro m
10-9 nano n
10-12 pico p
10-15 femto f
10-18 atto a
10-21 zepto z
10-24 yocto y

Units Index

Please Send Comments to Roy Beardmore