kilometer to femtometer
Please provide values below to convert kilometer [km] to femtometer [fm], or change ↔.
kilometer [km]
Definition: A kilometer is a unit of length equal to 1,000 meters.
Historyandorigin: Derived from the meter, the kilometer was introduced in the late 18th century as part of the metric system.
CurrentUse: It is commonly used to measure long distances, such as between cities.
funfact: The prefix 'kilo-' comes from the Greek word 'khilioi,' meaning 'thousand.'
femtometer [fm]
Definition: A femtometer is a unit of length equal to one-quadrillionth of a meter.
Historyandorigin: It is part of the metric system, introduced in the late 20th century.
CurrentUse: It is used in particle physics and atomic-scale measurements.
funfact: The prefix 'femto-' comes from the Danish word 'femten,' meaning 'fifteen.'
kilometer [km] to femtometer [fm] Conversion Table
| 1 kilometer [km] | 1000000000000000000 femtometer [fm] |
| 2 kilometer [km] | 2000000000000000000 femtometer [fm] |
| 3 kilometer [km] | 3000000000000000000 femtometer [fm] |
| 5 kilometer [km] | 5000000000000000000 femtometer [fm] |
| 10 kilometer [km] | 10000000000000000000 femtometer [fm] |
| 50 kilometer [km] | 50000000000000010000 femtometer [fm] |
| 100 kilometer [km] | 100000000000000020000 femtometer [fm] |
| 1000 kilometer [km] | 1.E+21 femtometer [fm] |
| 10000 kilometer [km] | 1.E+22 femtometer [fm] |
| 100000 kilometer [km] | 1.E+23 femtometer [fm] |
| 1000000 kilometer [km] | 1.E+24 femtometer [fm] |
How to Convert kilometer to femtometer
1 kilometer [km] = 1000000000000000000 femtometer [fm]
1 femtometer [fm] = 9.999999999E-19 kilometer [km]
we use cross multiplication method
kilometer [km] → femtometer [fm]
1 → 1000000000000000000
1.5 → ?( suppose x)
=>1.5*1000000000000000000=1*x
by simplifying
x=1500000000000000000