What is 50ly in Feet?

You are: Home > Length > Light Years to Feet

What is 50 Light Years (50ly) in Feet (ft)?

What is 50ly in ft? Convert 50 Light Years (50ly) to Feet (ft) and show formula, brief history on the units and quick maths for the conversion.

Enter Light Years to convert to Feet


Quick Reference for Converting Light Years to Feet

Formula
ft = ly x 3.1038549868766E+16
Quick Rough Maths
To get the Feet, multiply the number of Light Years by 31038.5 trillion
Light Years (ly) in 1 Foot
There are 0 Light Years in 1 Foot
Feet (ft) in 1 Light Year
There are 3.1038549868766E+16 Feet in 1 Light Year

Unit Information

Light Year
/lʌɪt jɪə,jəː/
Symbol: ly
Unit System: Astronomical System of Units

What is the Light Year?

The light year is a unit of length in the Astronomical system of units. It uses the symbol ly.

Often confused with a unit of time as it contains the word "year", it is actually defined by the International Astronomical Union (IAU) as the amount of distance that light travels in a vacuum in one Julian year (365.25 days).

Using the speed of light (299,792,458 m/s or 'c') and the Julian year (as apposed to the Gregorian year which is 365.2425 days), we can equivalate 1 light year as 9,460,730,472,580,800 metres or ≈ 9.46 trillion kilometres.

Foot
/fʊt/
Symbol: ft
Unit System: Imperial

What is the Foot?

The foot is a unit of length in the imperial unit system and uses the symbol ft.

One foot is exactly equal to 12 inches. It is also exactly equal to 0.3048m. One yard is comprised of three feet.

The foot is just behind the metre in terms of widespread use due to its previous popularity. The US is the only developed country that still uses the foot in preference to the metre.

The UK still uses feet to express human height more than metres.


Conversion Tables for Light Years (ly) to Feet (ft)