Convert Foot to Light-Year Online

About Foot to Light-Year Conversion

This converter converts Foot (ft) to Light-Year (ly). One Foot (ft) equals 3.221738542107028e-17 Light-Year (ly).

Formula:

1 Foot (ft) = 3.221738542107028e-17 Light-Year (ly)

Example:

1 ft = 3.221738542107028e-17 ly
2 ft = 6.443477084214056e-17 ly

Foot (ft) to Light-Year (ly) Conversion

A clear guide to converting Foot into Light-Year. Includes numeric examples, formulas, and a breakdown of where this conversion appears in science, engineering, and daily applications.

Conversion Formula

Light-Year = Foot × 3.221739e-17

To convert Foot (ft) to Light-Year (ly), multiply the value by 3.221739e-17. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 ft to ly.

  • Step 1: Write the formula: ly = ft × 3.221739e-17
  • Step 2: Substitute: 1 × 3.221739e-17
  • Step 3: Result: 3.221739e-17 ly
So, 1 ft = 3.221739e-17 ly.

About the Units

Foot (ft)

One Foot (ft) equals 3.221739e-17 Light-Year (ly)

A widely used unit across scientific, engineering, and measurement contexts.

Light-Year (ly)

One Light-Year (ly) equals 3.103914e+16 Foot (ft)

Used for extremely large distances such as astronomical or planetary scales.

Where This Conversion Is Used

  • Converting values from Foot to Light-Year for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Light-Year representation.
  • Applied when comparing different measurement systems across tools and documents.
  • Essential in astronomy, orbital mechanics, and large-scale simulations.
  • Common in carpentry, architecture, and traditional US/UK measurement scenarios.

Frequently Asked Questions

How many Light-Year (ly) are in 1 Foot (ft)?

1 ft = 3.221739e-17 ly.

What is the formula for converting Foot (ft) to Light-Year (ly)?

Multiply the ft value by 3.221739e-17.

Can I reverse the conversion?

Yes. 1 ly = 3.103914e+16 ft.

Conclusion

By applying the conversion factor shown above, you can reliably convert Foot (ft) to Light-Year (ly) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Quick Links for Unit Converters

Convert Foot to Other Units

Foot to Inch

1 ft = 12.000000000000002 in

1 Foot (ft) = 12.000000000000002 Inches (in)

1 foot equals 12.000000000000002 inches.

Foot to Feet

1 ft = 1 ft

1 Foot (ft) = 1 Feet (ft)

1 foot equals 1 feet.

Foot to Centimeter

1 ft = 30.48 cm

1 Foot (ft) = 30.48 Centimeters (cm)

1 foot equals 30.48 centimeters.

Foot to Meter

1 ft = 0.3048 m

1 Foot (ft) = 0.3048 Meter (m)

1 foot equals 0.3048 meter.

Foot to Kilometer

1 ft = 0.00030480000000000004 km

1 Foot (ft) = 0.00030480000000000004 Kilometer (km)

1 foot equals 0.00030480000000000004 kilometer.

Foot to Millimeter

1 ft = 304.8 mm

1 Foot (ft) = 304.8 Millimeters (mm)

1 foot equals 304.8 millimeters.

Foot to Yard

1 ft = 0.33333333333333337 yd

1 Foot (ft) = 0.33333333333333337 Yard (yd)

1 foot equals 0.33333333333333337 yard.

Foot to Yoctometer

1 ft = 3.048e+23 ym

1 Foot (ft) = 3.048e+23 Yoctometers (ym)

1 foot equals 3.048e+23 yoctometers.

Foot to Zeptometer

1 ft = 304800000000000070000 zm

1 Foot (ft) = 304800000000000070000 Zeptometers (zm)

1 foot equals 304800000000000070000 zeptometers.

Foot to Attometer

1 ft = 304800000000000000 am

1 Foot (ft) = 304800000000000000 Attometers (am)

1 foot equals 304800000000000000 attometers.

Foot to Femtometer

1 ft = 304800000000000 fm

1 Foot (ft) = 304800000000000 Femtometers (fm)

1 foot equals 304800000000000 femtometers.

Foot to Picometer

1 ft = 304800000000 pm

1 Foot (ft) = 304800000000 Picometers (pm)

1 foot equals 304800000000 picometers.

Foot to Nanometer

1 ft = 304800000 nm

1 Foot (ft) = 304800000 Nanometers (nm)

1 foot equals 304800000 nanometers.

Foot to Micrometer

1 ft = 304800.00000000006 µm

1 Foot (ft) = 304800.00000000006 Micrometers (µm)

1 foot equals 304800.00000000006 micrometers.

Foot to Decimeter

1 ft = 3.048 dm

1 Foot (ft) = 3.048 Decimeters (dm)

1 foot equals 3.048 decimeters.

Foot to Decameter

1 ft = 0.03048 dam

1 Foot (ft) = 0.03048 Decameter (dam)

1 foot equals 0.03048 decameter.

Foot to Hectometer

1 ft = 0.0030480000000000004 hm

1 Foot (ft) = 0.0030480000000000004 Hectometer (hm)

1 foot equals 0.0030480000000000004 hectometer.

Foot to Megameter

1 ft = 3.0480000000000003e-7 Mm

1 Foot (ft) = 3.0480000000000003e-7 Megameter (Mm)

1 foot equals 3.0480000000000003e-7 megameter.

Foot to Gigameter

1 ft = 3.048e-10 Gm

1 Foot (ft) = 3.048e-10 Gigameter (Gm)

1 foot equals 3.048e-10 gigameter.

Foot to Terameter

1 ft = 3.048e-13 Tm

1 Foot (ft) = 3.048e-13 Terameter (Tm)

1 foot equals 3.048e-13 terameter.

Foot to Petameter

1 ft = 3.048e-16 Pm

1 Foot (ft) = 3.048e-16 Petameter (Pm)

1 foot equals 3.048e-16 petameter.

Foot to Exameter

1 ft = 3.048e-19 Em

1 Foot (ft) = 3.048e-19 Exameter (Em)

1 foot equals 3.048e-19 exameter.

Foot to Zettameter

1 ft = 3.048e-22 Zm

1 Foot (ft) = 3.048e-22 Zettameter (Zm)

1 foot equals 3.048e-22 zettameter.

Foot to Yottameter

1 ft = 3.048e-25 Ym

1 Foot (ft) = 3.048e-25 Yottameter (Ym)

1 foot equals 3.048e-25 yottameter.

Foot to Cubit

1 ft = 0.6666666666666667 cubit

1 Foot (ft) = 0.6666666666666667 Cubit (cubit)

1 foot equals 0.6666666666666667 cubit.

Foot to Span

1 ft = 1.3333333333333335 span

1 Foot (ft) = 1.3333333333333335 Spans (span)

1 foot equals 1.3333333333333335 spans.

Foot to Hand

1 ft = 3.0000000000000004 hh

1 Foot (ft) = 3.0000000000000004 Hands (hh)

1 foot equals 3.0000000000000004 hands.

Foot to Palm

1 ft = 4 palm

1 Foot (ft) = 4 Palms (palm)

1 foot equals 4 palms.

Foot to Digit

1 ft = 16 digit

1 Foot (ft) = 16 Digits (digit)

1 foot equals 16 digits.

Foot to Link

1 ft = 1.5151515151515151 link

1 Foot (ft) = 1.5151515151515151 Links (link)

1 foot equals 1.5151515151515151 links.

Foot to Ell

1 ft = 0.26666666666666666 ell

1 Foot (ft) = 0.26666666666666666 Ell (ell)

1 foot equals 0.26666666666666666 ell.

Foot to Barleycorn

1 ft = 35.985832349468716 barleycorn

1 Foot (ft) = 35.985832349468716 Barleycorns (barleycorn)

1 foot equals 35.985832349468716 barleycorns.

Foot to Astronomical Unit

1 ft = 2.0374621548674225e-12 AU

1 Foot (ft) = 2.0374621548674225e-12 Astronomical Unit (AU)

1 foot equals 2.0374621548674225e-12 Astronomicalunit.

Foot to Light-Second

1 ft = 1.0167033621639674e-9 ls

1 Foot (ft) = 1.0167033621639674e-9 Light-Second (ls)

1 foot equals 1.0167033621639674e-9 Light-Second.

Foot to Light-Minute

1 ft = 1.6945056036066124e-11 lm

1 Foot (ft) = 1.6945056036066124e-11 Light-Minute (lm)

1 foot equals 1.6945056036066124e-11 Light-Minute.

Foot to Light-Hour

1 ft = 2.8241760054876633e-13 lh

1 Foot (ft) = 2.8241760054876633e-13 Light-Hour (lh)

1 foot equals 2.8241760054876633e-13 Light-Hour.

Foot to Light-Day

1 ft = 1.1767400025591084e-14 ld

1 Foot (ft) = 1.1767400025591084e-14 Light-Day (ld)

1 foot equals 1.1767400025591084e-14 Light-Day.

Foot to Light-Year

1 ft = 3.221738542107028e-17 ly

1 Foot (ft) = 3.221738542107028e-17 Light-Year (ly)

1 foot equals 3.221738542107028e-17 Light-Year.

Foot to Parsec

1 ft = 9.877895274226416e-18 pc

1 Foot (ft) = 9.877895274226416e-18 Parsec (pc)

1 foot equals 9.877895274226416e-18 Parsec.

Foot to Kiloparsec

1 ft = 9.877895274226417e-21 kpc

1 Foot (ft) = 9.877895274226417e-21 Kiloparsec (kpc)

1 foot equals 9.877895274226417e-21 Kiloparsec.

Foot to Megaparsec

1 ft = 9.877895274226416e-24 Mpc

1 Foot (ft) = 9.877895274226416e-24 Megaparsec (Mpc)

1 foot equals 9.877895274226416e-24 Megaparsec.

Foot to Gigaparsec

1 ft = 9.877895274226416e-27 Gpc

1 Foot (ft) = 9.877895274226416e-27 Gigaparsec (Gpc)

1 foot equals 9.877895274226416e-27 Gigaparsec.

Foot to Nautical Mile

1 ft = 0.00016457883369330455 NM

1 Foot (ft) = 0.00016457883369330455 Nautical Mile (NM)

1 foot equals 0.00016457883369330455 Nautical Mile.

Foot to Fathom

1 ft = 0.16666666666666669 ftm

1 Foot (ft) = 0.16666666666666669 Fathom (ftm)

1 foot equals 0.16666666666666669 fathom.

Foot to Cable Length

1 ft = 0.001388888888888889 cable

1 Foot (ft) = 0.001388888888888889 Cable Length (cable)

1 foot equals 0.001388888888888889 Cable Length .

Foot to Nautical League

1 ft = 0.00005485961123110152 NL

1 Foot (ft) = 0.00005485961123110152 Nautical League (NL)

1 foot equals 0.00005485961123110152 Nautical League.

Foot to Thou

1 ft = 12000 mil

1 Foot (ft) = 12000 Thous (mil)

1 foot equals 12000 thous.

Foot to Rod

1 ft = 0.06060606060606061 rd

1 Foot (ft) = 0.06060606060606061 Rod (rd)

1 foot equals 0.06060606060606061 rod.

Foot to Chain

1 ft = 0.015151515151515152 ch

1 Foot (ft) = 0.015151515151515152 Chain (ch)

1 foot equals 0.015151515151515152 chain.

Foot to Furlong

1 ft = 0.0015151515151515152 fur

1 Foot (ft) = 0.0015151515151515152 Furlong (fur)

1 foot equals 0.0015151515151515152 furlong.

Foot to Mile

1 ft = 0.0001893939393939394 mi

1 Foot (ft) = 0.0001893939393939394 Mile (mi)

1 foot equals 0.0001893939393939394 mile.

Foot to League

1 ft = 0.00006313131313131313 lea

1 Foot (ft) = 0.00006313131313131313 League (lea)

1 foot equals 0.00006313131313131313 league.

Convert Light-Year to Other Units

Light-Year to Inch

1 ly = 372469703644913400 in

1 Light-Year (ly) = 372469703644913400 Inches (in)

1 Light-Year equals 372469703644913400 inches.

Light-Year to Foot

1 ly = 31039141970409450 ft

1 Light-Year (ly) = 31039141970409450 Feet (ft)

1 Light-Year equals 31039141970409450 feet.

Light-Year to Feet

1 ly = 31039141970409450 ft

1 Light-Year (ly) = 31039141970409450 Feets (ft)

1 Light-Year equals 31039141970409450 feets.

Light-Year to Centimeter

1 ly = 946073047258080000 cm

1 Light-Year (ly) = 946073047258080000 Centimeters (cm)

1 Light-Year equals 946073047258080000 centimeters.

Light-Year to Meter

1 ly = 9460730472580800 m

1 Light-Year (ly) = 9460730472580800 Meters (m)

1 Light-Year equals 9460730472580800 meters.

Light-Year to Kilometer

1 ly = 9460730472580.8 km

1 Light-Year (ly) = 9460730472580.8 Kilometers (km)

1 Light-Year equals 9460730472580.8 kilometers.

Light-Year to Millimeter

1 ly = 9460730472580800000 mm

1 Light-Year (ly) = 9460730472580800000 Millimeters (mm)

1 Light-Year equals 9460730472580800000 millimeters.

Light-Year to Yard

1 ly = 10346380656803150 yd

1 Light-Year (ly) = 10346380656803150 Yards (yd)

1 Light-Year equals 10346380656803150 yards.

Light-Year to Yoctometer

1 ly = 9.460730472580801e+39 ym

1 Light-Year (ly) = 9.460730472580801e+39 Yoctometers (ym)

1 Light-Year equals 9.460730472580801e+39 yoctometers.

Light-Year to Zeptometer

1 ly = 9.4607304725808e+36 zm

1 Light-Year (ly) = 9.4607304725808e+36 Zeptometers (zm)

1 Light-Year equals 9.4607304725808e+36 zeptometers.

Light-Year to Attometer

1 ly = 9.4607304725808e+33 am

1 Light-Year (ly) = 9.4607304725808e+33 Attometers (am)

1 Light-Year equals 9.4607304725808e+33 attometers.

Light-Year to Femtometer

1 ly = 9.460730472580799e+30 fm

1 Light-Year (ly) = 9.460730472580799e+30 Femtometers (fm)

1 Light-Year equals 9.460730472580799e+30 femtometers.

Light-Year to Picometer

1 ly = 9.4607304725808e+27 pm

1 Light-Year (ly) = 9.4607304725808e+27 Picometers (pm)

1 Light-Year equals 9.4607304725808e+27 picometers.

Light-Year to Nanometer

1 ly = 9.4607304725808e+24 nm

1 Light-Year (ly) = 9.4607304725808e+24 Nanometers (nm)

1 Light-Year equals 9.4607304725808e+24 nanometers.

Light-Year to Micrometer

1 ly = 9.460730472580801e+21 µm

1 Light-Year (ly) = 9.460730472580801e+21 Micrometers (µm)

1 Light-Year equals 9.460730472580801e+21 micrometers.

Light-Year to Decimeter

1 ly = 94607304725808000 dm

1 Light-Year (ly) = 94607304725808000 Decimeters (dm)

1 Light-Year equals 94607304725808000 decimeters.

Light-Year to Decameter

1 ly = 946073047258080 dam

1 Light-Year (ly) = 946073047258080 Decameters (dam)

1 Light-Year equals 946073047258080 decameters.

Light-Year to Hectometer

1 ly = 94607304725808 hm

1 Light-Year (ly) = 94607304725808 Hectometers (hm)

1 Light-Year equals 94607304725808 hectometers.

Light-Year to Megameter

1 ly = 9460730472.5808 Mm

1 Light-Year (ly) = 9460730472.5808 Megameters (Mm)

1 Light-Year equals 9460730472.5808 megameters.

Light-Year to Gigameter

1 ly = 9460730.4725808 Gm

1 Light-Year (ly) = 9460730.4725808 Gigameters (Gm)

1 Light-Year equals 9460730.4725808 gigameters.

Light-Year to Terameter

1 ly = 9460.7304725808 Tm

1 Light-Year (ly) = 9460.7304725808 Terameters (Tm)

1 Light-Year equals 9460.7304725808 terameters.

Light-Year to Petameter

1 ly = 9.4607304725808 Pm

1 Light-Year (ly) = 9.4607304725808 Petameters (Pm)

1 Light-Year equals 9.4607304725808 petameters.

Light-Year to Exameter

1 ly = 0.0094607304725808 Em

1 Light-Year (ly) = 0.0094607304725808 Exameter (Em)

1 Light-Year equals 0.0094607304725808 exameter.

Light-Year to Zettameter

1 ly = 0.0000094607304725808 Zm

1 Light-Year (ly) = 0.0000094607304725808 Zettameter (Zm)

1 Light-Year equals 0.0000094607304725808 zettameter.

Light-Year to Yottameter

1 ly = 9.4607304725808e-9 Ym

1 Light-Year (ly) = 9.4607304725808e-9 Yottameter (Ym)

1 Light-Year equals 9.4607304725808e-9 yottameter.

Light-Year to Cubit

1 ly = 20692761313606300 cubit

1 Light-Year (ly) = 20692761313606300 Cubits (cubit)

1 Light-Year equals 20692761313606300 cubits.

Light-Year to Span

1 ly = 41385522627212600 span

1 Light-Year (ly) = 41385522627212600 Spans (span)

1 Light-Year equals 41385522627212600 spans.

Light-Year to Hand

1 ly = 93117425911228350 hh

1 Light-Year (ly) = 93117425911228350 Hands (hh)

1 Light-Year equals 93117425911228350 hands.

Light-Year to Palm

1 ly = 124156567881637800 palm

1 Light-Year (ly) = 124156567881637800 Palms (palm)

1 Light-Year equals 124156567881637800 palms.

Light-Year to Digit

1 ly = 496626271526551200 digit

1 Light-Year (ly) = 496626271526551200 Digits (digit)

1 Light-Year equals 496626271526551200 digits.

Light-Year to Link

1 ly = 47029002985468856 link

1 Light-Year (ly) = 47029002985468856 Links (link)

1 Light-Year equals 47029002985468856 links.

Light-Year to Ell

1 ly = 8277104525442520 ell

1 Light-Year (ly) = 8277104525442520 Ells (ell)

1 Light-Year equals 8277104525442520 ells.

Light-Year to Barleycorn

1 ly = 1116969359218512400 barleycorn

1 Light-Year (ly) = 1116969359218512400 Barleycorns (barleycorn)

1 Light-Year equals 1116969359218512400 barleycorns.

Light-Year to Astronomical Unit

1 ly = 63241.07708426628 AU

1 Light-Year (ly) = 63241.07708426628 Astronomical Units (AU)

1 Light-Year equals 63241.07708426628 Astronomicalunits.

Light-Year to Light-Second

1 ly = 31557600 ls

1 Light-Year (ly) = 31557600 Light-Seconds (ls)

1 Light-Year equals 31557600 Light-Seconds.

Light-Year to Light-Minute

1 ly = 525960 lm

1 Light-Year (ly) = 525960 Light-Minutes (lm)

1 Light-Year equals 525960 Light-Minutes.

Light-Year to Light-Hour

1 ly = 8765.999998375542 lh

1 Light-Year (ly) = 8765.999998375542 Light-Hours (lh)

1 Light-Year equals 8765.999998375542 Light-Hours.

Light-Year to Light-Day

1 ly = 365.25000001692143 ld

1 Light-Year (ly) = 365.25000001692143 Light-Days (ld)

1 Light-Year equals 365.25000001692143 Light-Days.

Light-Year to Parsec

1 ly = 0.3066013937855503 pc

1 Light-Year (ly) = 0.3066013937855503 Parsec (pc)

1 Light-Year equals 0.3066013937855503 Parsec.

Light-Year to Kiloparsec

1 ly = 0.0003066013937855503 kpc

1 Light-Year (ly) = 0.0003066013937855503 Kiloparsec (kpc)

1 Light-Year equals 0.0003066013937855503 Kiloparsec.

Light-Year to Megaparsec

1 ly = 3.066013937855503e-7 Mpc

1 Light-Year (ly) = 3.066013937855503e-7 Megaparsec (Mpc)

1 Light-Year equals 3.066013937855503e-7 Megaparsec.

Light-Year to Gigaparsec

1 ly = 3.066013937855503e-10 Gpc

1 Light-Year (ly) = 3.066013937855503e-10 Gigaparsec (Gpc)

1 Light-Year equals 3.066013937855503e-10 Gigaparsec.

Light-Year to Nautical Mile

1 ly = 5108385784330.886 NM

1 Light-Year (ly) = 5108385784330.886 Nautical Miles (NM)

1 Light-Year equals 5108385784330.886 Nautical Miles.

Light-Year to Fathom

1 ly = 5173190328401575 ftm

1 Light-Year (ly) = 5173190328401575 Fathoms (ftm)

1 Light-Year equals 5173190328401575 fathoms.

Light-Year to Cable Length

1 ly = 43109919403346.46 cable

1 Light-Year (ly) = 43109919403346.46 Cable Lengths (cable)

1 Light-Year equals 43109919403346.46 Cable Length s.

Light-Year to Nautical League

1 ly = 1702795261443.6284 NL

1 Light-Year (ly) = 1702795261443.6284 Nautical Leagues (NL)

1 Light-Year equals 1702795261443.6284 Nautical Leagues.

Light-Year to Thou

1 ly = 372469703644913400000 mil

1 Light-Year (ly) = 372469703644913400000 Thous (mil)

1 Light-Year equals 372469703644913400000 thous.

Light-Year to Rod

1 ly = 1881160119418754.2 rd

1 Light-Year (ly) = 1881160119418754.2 Rods (rd)

1 Light-Year equals 1881160119418754.2 rods.

Light-Year to Chain

1 ly = 470290029854688.56 ch

1 Light-Year (ly) = 470290029854688.56 Chains (ch)

1 Light-Year equals 470290029854688.56 chains.

Light-Year to Furlong

1 ly = 47029002985468.86 fur

1 Light-Year (ly) = 47029002985468.86 Furlongs (fur)

1 Light-Year equals 47029002985468.86 furlongs.

Light-Year to Mile

1 ly = 5878625373183.607 mi

1 Light-Year (ly) = 5878625373183.607 Miles (mi)

1 Light-Year equals 5878625373183.607 miles.

Light-Year to League

1 ly = 1959541791061.2026 lea

1 Light-Year (ly) = 1959541791061.2026 Leagues (lea)

1 Light-Year equals 1959541791061.2026 leagues.