How many picometer in 1 light-second?
The answer is 2.99792458E+20.
We assume you are converting between picometre and light second.
You can view more details on each measurement unit: picometer or
light-second
The SI base unit for length is the metre.
1 metre is equal to 1000000000000 picometer, or 3.3356409519815E-9 light-second.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between picometers and light seconds.
Type in your own numbers in the form to convert the units!

››Want other units?

You can do the reverse unit conversion from
light-second to picometer, or enter any two units below:

The SI prefix "pico" represents a factor of
10^{-12}, or in exponential notation, 1E-12.

So 1 picometre = 10^{-12} metre.

››Definition: Light-second

A light-second is a unit of length. It is defined as the distance light travels in an absolute vacuum in one second or 299,792,458 meters. Note that this value is considered exact, since the meter is actually (as of 1983) defined in terms of the light second. It is just over 186,282 miles and almost 109 feet.

››Metric conversions and more

ConvertUnits.com provides an online
conversion calculator for all types of measurement units.
You can find metric conversion tables for SI units, as well
as English units, currency, and other data. Type in unit
symbols, abbreviations, or full names for units of length,
area, mass, pressure, and other types. Examples include mm,
inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm,
metres squared, grams, moles, feet per second, and many more!