Convert Kilometer to Megameter Online

About Kilometer to Megameter Conversion

This converter converts Kilometer (km) to Megameter (Mm). One Kilometer (km) equals 0.001 Megameter (Mm).

Formula:

1 Kilometer (km) = 0.001 Megameter (Mm)

Example:

1 km = 0.001 Mm
2 km = 0.002 Mm

Kilometer (km) to Megameter (Mm) Conversion

Convert Kilometer to Megameter using the exact conversion factor. This page provides the formula, worked examples, and real-world use cases for practical understanding.

Conversion Formula

Megameter = Kilometer × 0.001

To convert Kilometer (km) to Megameter (Mm), multiply the value by 0.001. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 km to Mm.

  • Step 1: Write the formula: Mm = km × 0.001
  • Step 2: Substitute: 1 × 0.001
  • Step 3: Result: 0.001 Mm
So, 1 km = 0.001 Mm.

About the Units

Kilometer (km)

One Kilometer (km) equals 0.001 Megameter (Mm)

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

Megameter (Mm)

One Megameter (Mm) equals 1000 Kilometer (km)

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

Where This Conversion Is Used

  • Converting values from Kilometer to Megameter for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Megameter representation.
  • Applied when comparing different measurement systems across tools and documents.

Frequently Asked Questions

How many Megameter (Mm) are in 1 Kilometer (km)?

1 km = 0.001 Mm.

What is the formula for converting Kilometer (km) to Megameter (Mm)?

Multiply the km value by 0.001.

Can I reverse the conversion?

Yes. 1 Mm = 1000 km.

Conclusion

By applying the conversion factor shown above, you can reliably convert Kilometer (km) to Megameter (Mm) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Quick Links for Unit Converters

Convert Kilometer to Other Units

Kilometer to Inch

1 km = 39370.078740157485 in

1 Kilometer (km) = 39370.078740157485 Inches (in)

1 kilometer equals 39370.078740157485 inches.

Kilometer to Foot

1 km = 3280.839895013123 ft

1 Kilometer (km) = 3280.839895013123 Feet (ft)

1 kilometer equals 3280.839895013123 feet.

Kilometer to Feet

1 km = 3280.839895013123 ft

1 Kilometer (km) = 3280.839895013123 Feets (ft)

1 kilometer equals 3280.839895013123 feets.

Kilometer to Centimeter

1 km = 100000 cm

1 Kilometer (km) = 100000 Centimeters (cm)

1 kilometer equals 100000 centimeters.

Kilometer to Meter

1 km = 1000 m

1 Kilometer (km) = 1000 Meters (m)

1 kilometer equals 1000 meters.

Kilometer to Millimeter

1 km = 1000000 mm

1 Kilometer (km) = 1000000 Millimeters (mm)

1 kilometer equals 1000000 millimeters.

Kilometer to Yard

1 km = 1093.6132983377079 yd

1 Kilometer (km) = 1093.6132983377079 Yards (yd)

1 kilometer equals 1093.6132983377079 yards.

Kilometer to Yoctometer

1 km = 1e+27 ym

1 Kilometer (km) = 1e+27 Yoctometers (ym)

1 kilometer equals 1e+27 yoctometers.

Kilometer to Zeptometer

1 km = 1.0000000000000001e+24 zm

1 Kilometer (km) = 1.0000000000000001e+24 Zeptometers (zm)

1 kilometer equals 1.0000000000000001e+24 zeptometers.

Kilometer to Attometer

1 km = 999999999999999900000 am

1 Kilometer (km) = 999999999999999900000 Attometers (am)

1 kilometer equals 999999999999999900000 attometers.

Kilometer to Femtometer

1 km = 999999999999999900 fm

1 Kilometer (km) = 999999999999999900 Femtometers (fm)

1 kilometer equals 999999999999999900 femtometers.

Kilometer to Picometer

1 km = 1000000000000000 pm

1 Kilometer (km) = 1000000000000000 Picometers (pm)

1 kilometer equals 1000000000000000 picometers.

Kilometer to Nanometer

1 km = 999999999999.9999 nm

1 Kilometer (km) = 999999999999.9999 Nanometers (nm)

1 kilometer equals 999999999999.9999 nanometers.

Kilometer to Micrometer

1 km = 1000000000 µm

1 Kilometer (km) = 1000000000 Micrometers (µm)

1 kilometer equals 1000000000 micrometers.

Kilometer to Decimeter

1 km = 10000 dm

1 Kilometer (km) = 10000 Decimeters (dm)

1 kilometer equals 10000 decimeters.

Kilometer to Decameter

1 km = 100 dam

1 Kilometer (km) = 100 Decameters (dam)

1 kilometer equals 100 decameters.

Kilometer to Hectometer

1 km = 10 hm

1 Kilometer (km) = 10 Hectometers (hm)

1 kilometer equals 10 hectometers.

Kilometer to Megameter

1 km = 0.001 Mm

1 Kilometer (km) = 0.001 Megameter (Mm)

1 kilometer equals 0.001 megameter.

Kilometer to Gigameter

1 km = 0.000001 Gm

1 Kilometer (km) = 0.000001 Gigameter (Gm)

1 kilometer equals 0.000001 gigameter.

Kilometer to Terameter

1 km = 1e-9 Tm

1 Kilometer (km) = 1e-9 Terameter (Tm)

1 kilometer equals 1e-9 terameter.

Kilometer to Petameter

1 km = 1e-12 Pm

1 Kilometer (km) = 1e-12 Petameter (Pm)

1 kilometer equals 1e-12 petameter.

Kilometer to Exameter

1 km = 1e-15 Em

1 Kilometer (km) = 1e-15 Exameter (Em)

1 kilometer equals 1e-15 exameter.

Kilometer to Zettameter

1 km = 1e-18 Zm

1 Kilometer (km) = 1e-18 Zettameter (Zm)

1 kilometer equals 1e-18 zettameter.

Kilometer to Yottameter

1 km = 1.0000000000000001e-21 Ym

1 Kilometer (km) = 1.0000000000000001e-21 Yottameter (Ym)

1 kilometer equals 1.0000000000000001e-21 yottameter.

Kilometer to Cubit

1 km = 2187.2265966754157 cubit

1 Kilometer (km) = 2187.2265966754157 Cubits (cubit)

1 kilometer equals 2187.2265966754157 cubits.

Kilometer to Span

1 km = 4374.4531933508315 span

1 Kilometer (km) = 4374.4531933508315 Spans (span)

1 kilometer equals 4374.4531933508315 spans.

Kilometer to Hand

1 km = 9842.519685039371 hh

1 Kilometer (km) = 9842.519685039371 Hands (hh)

1 kilometer equals 9842.519685039371 hands.

Kilometer to Palm

1 km = 13123.359580052493 palm

1 Kilometer (km) = 13123.359580052493 Palms (palm)

1 kilometer equals 13123.359580052493 palms.

Kilometer to Digit

1 km = 52493.43832020997 digit

1 Kilometer (km) = 52493.43832020997 Digits (digit)

1 kilometer equals 52493.43832020997 digits.

Kilometer to Link

1 km = 4970.969537898672 link

1 Kilometer (km) = 4970.969537898672 Links (link)

1 kilometer equals 4970.969537898672 links.

Kilometer to Ell

1 km = 874.8906386701663 ell

1 Kilometer (km) = 874.8906386701663 Ells (ell)

1 kilometer equals 874.8906386701663 ells.

Kilometer to Barleycorn

1 km = 118063.75442739078 barleycorn

1 Kilometer (km) = 118063.75442739078 Barleycorns (barleycorn)

1 kilometer equals 118063.75442739078 barleycorns.

Kilometer to Astronomical Unit

1 km = 6.684587122268446e-9 AU

1 Kilometer (km) = 6.684587122268446e-9 Astronomical Unit (AU)

1 kilometer equals 6.684587122268446e-9 Astronomicalunit.

Kilometer to Light-Second

1 km = 0.0000033356409519815205 ls

1 Kilometer (km) = 0.0000033356409519815205 Light-Second (ls)

1 kilometer equals 0.0000033356409519815205 Light-Second.

Kilometer to Light-Minute

1 km = 5.5594015866358675e-8 lm

1 Kilometer (km) = 5.5594015866358675e-8 Light-Minute (lm)

1 kilometer equals 5.5594015866358675e-8 Light-Minute.

Kilometer to Light-Hour

1 km = 9.265669309342727e-10 lh

1 Kilometer (km) = 9.265669309342727e-10 Light-Hour (lh)

1 kilometer equals 9.265669309342727e-10 Light-Hour.

Kilometer to Light-Day

1 km = 3.8606955464537675e-11 ld

1 Kilometer (km) = 3.8606955464537675e-11 Light-Day (ld)

1 kilometer equals 3.8606955464537675e-11 Light-Day.

Kilometer to Light-Year

1 km = 1.0570008340246155e-13 ly

1 Kilometer (km) = 1.0570008340246155e-13 Light-Year (ly)

1 kilometer equals 1.0570008340246155e-13 Light-Year.

Kilometer to Parsec

1 km = 3.2407792894443624e-14 pc

1 Kilometer (km) = 3.2407792894443624e-14 Parsec (pc)

1 kilometer equals 3.2407792894443624e-14 Parsec.

Kilometer to Kiloparsec

1 km = 3.240779289444362e-17 kpc

1 Kilometer (km) = 3.240779289444362e-17 Kiloparsec (kpc)

1 kilometer equals 3.240779289444362e-17 Kiloparsec.

Kilometer to Megaparsec

1 km = 3.240779289444362e-20 Mpc

1 Kilometer (km) = 3.240779289444362e-20 Megaparsec (Mpc)

1 kilometer equals 3.240779289444362e-20 Megaparsec.

Kilometer to Gigaparsec

1 km = 3.2407792894443625e-23 Gpc

1 Kilometer (km) = 3.2407792894443625e-23 Gigaparsec (Gpc)

1 kilometer equals 3.2407792894443625e-23 Gigaparsec.

Kilometer to Nautical Mile

1 km = 0.5399568034557235 NM

1 Kilometer (km) = 0.5399568034557235 Nautical Mile (NM)

1 kilometer equals 0.5399568034557235 Nautical Mile.

Kilometer to Fathom

1 km = 546.8066491688539 ftm

1 Kilometer (km) = 546.8066491688539 Fathoms (ftm)

1 kilometer equals 546.8066491688539 fathoms.

Kilometer to Cable Length

1 km = 4.556722076407116 cable

1 Kilometer (km) = 4.556722076407116 Cable Lengths (cable)

1 kilometer equals 4.556722076407116 Cable Length s.

Kilometer to Nautical League

1 km = 0.17998560115190784 NL

1 Kilometer (km) = 0.17998560115190784 Nautical League (NL)

1 kilometer equals 0.17998560115190784 Nautical League.

Kilometer to Thou

1 km = 39370078.74015748 mil

1 Kilometer (km) = 39370078.74015748 Thous (mil)

1 kilometer equals 39370078.74015748 thous.

Kilometer to Rod

1 km = 198.83878151594686 rd

1 Kilometer (km) = 198.83878151594686 Rods (rd)

1 kilometer equals 198.83878151594686 rods.

Kilometer to Chain

1 km = 49.709695378986716 ch

1 Kilometer (km) = 49.709695378986716 Chains (ch)

1 kilometer equals 49.709695378986716 chains.

Kilometer to Furlong

1 km = 4.970969537898672 fur

1 Kilometer (km) = 4.970969537898672 Furlongs (fur)

1 kilometer equals 4.970969537898672 furlongs.

Kilometer to Mile

1 km = 0.621371192237334 mi

1 Kilometer (km) = 0.621371192237334 Mile (mi)

1 kilometer equals 0.621371192237334 mile.

Kilometer to League

1 km = 0.20712373074577797 lea

1 Kilometer (km) = 0.20712373074577797 League (lea)

1 kilometer equals 0.20712373074577797 league.

Convert Megameter to Other Units

Megameter to Inch

1 Mm = 39370078.740157485 in

1 Megameter (Mm) = 39370078.740157485 Inches (in)

1 megameter equals 39370078.740157485 inches.

Megameter to Foot

1 Mm = 3280839.8950131233 ft

1 Megameter (Mm) = 3280839.8950131233 Feet (ft)

1 megameter equals 3280839.8950131233 feet.

Megameter to Feet

1 Mm = 3280839.8950131233 ft

1 Megameter (Mm) = 3280839.8950131233 Feets (ft)

1 megameter equals 3280839.8950131233 feets.

Megameter to Centimeter

1 Mm = 100000000 cm

1 Megameter (Mm) = 100000000 Centimeters (cm)

1 megameter equals 100000000 centimeters.

Megameter to Meter

1 Mm = 1000000 m

1 Megameter (Mm) = 1000000 Meters (m)

1 megameter equals 1000000 meters.

Megameter to Kilometer

1 Mm = 1000 km

1 Megameter (Mm) = 1000 Kilometers (km)

1 megameter equals 1000 kilometers.

Megameter to Millimeter

1 Mm = 1000000000 mm

1 Megameter (Mm) = 1000000000 Millimeters (mm)

1 megameter equals 1000000000 millimeters.

Megameter to Yard

1 Mm = 1093613.2983377078 yd

1 Megameter (Mm) = 1093613.2983377078 Yards (yd)

1 megameter equals 1093613.2983377078 yards.

Megameter to Yoctometer

1 Mm = 1e+30 ym

1 Megameter (Mm) = 1e+30 Yoctometers (ym)

1 megameter equals 1e+30 yoctometers.

Megameter to Zeptometer

1 Mm = 1.0000000000000002e+27 zm

1 Megameter (Mm) = 1.0000000000000002e+27 Zeptometers (zm)

1 megameter equals 1.0000000000000002e+27 zeptometers.

Megameter to Attometer

1 Mm = 1e+24 am

1 Megameter (Mm) = 1e+24 Attometers (am)

1 megameter equals 1e+24 attometers.

Megameter to Femtometer

1 Mm = 999999999999999900000 fm

1 Megameter (Mm) = 999999999999999900000 Femtometers (fm)

1 megameter equals 999999999999999900000 femtometers.

Megameter to Picometer

1 Mm = 1000000000000000000 pm

1 Megameter (Mm) = 1000000000000000000 Picometers (pm)

1 megameter equals 1000000000000000000 picometers.

Megameter to Nanometer

1 Mm = 1000000000000000 nm

1 Megameter (Mm) = 1000000000000000 Nanometers (nm)

1 megameter equals 1000000000000000 nanometers.

Megameter to Micrometer

1 Mm = 1000000000000 µm

1 Megameter (Mm) = 1000000000000 Micrometers (µm)

1 megameter equals 1000000000000 micrometers.

Megameter to Decimeter

1 Mm = 10000000 dm

1 Megameter (Mm) = 10000000 Decimeters (dm)

1 megameter equals 10000000 decimeters.

Megameter to Decameter

1 Mm = 100000 dam

1 Megameter (Mm) = 100000 Decameters (dam)

1 megameter equals 100000 decameters.

Megameter to Hectometer

1 Mm = 10000 hm

1 Megameter (Mm) = 10000 Hectometers (hm)

1 megameter equals 10000 hectometers.

Megameter to Gigameter

1 Mm = 0.001 Gm

1 Megameter (Mm) = 0.001 Gigameter (Gm)

1 megameter equals 0.001 gigameter.

Megameter to Terameter

1 Mm = 0.000001 Tm

1 Megameter (Mm) = 0.000001 Terameter (Tm)

1 megameter equals 0.000001 terameter.

Megameter to Petameter

1 Mm = 1e-9 Pm

1 Megameter (Mm) = 1e-9 Petameter (Pm)

1 megameter equals 1e-9 petameter.

Megameter to Exameter

1 Mm = 1e-12 Em

1 Megameter (Mm) = 1e-12 Exameter (Em)

1 megameter equals 1e-12 exameter.

Megameter to Zettameter

1 Mm = 1e-15 Zm

1 Megameter (Mm) = 1e-15 Zettameter (Zm)

1 megameter equals 1e-15 zettameter.

Megameter to Yottameter

1 Mm = 1e-18 Ym

1 Megameter (Mm) = 1e-18 Yottameter (Ym)

1 megameter equals 1e-18 yottameter.

Megameter to Cubit

1 Mm = 2187226.5966754155 cubit

1 Megameter (Mm) = 2187226.5966754155 Cubits (cubit)

1 megameter equals 2187226.5966754155 cubits.

Megameter to Span

1 Mm = 4374453.193350831 span

1 Megameter (Mm) = 4374453.193350831 Spans (span)

1 megameter equals 4374453.193350831 spans.

Megameter to Hand

1 Mm = 9842519.685039371 hh

1 Megameter (Mm) = 9842519.685039371 Hands (hh)

1 megameter equals 9842519.685039371 hands.

Megameter to Palm

1 Mm = 13123359.580052493 palm

1 Megameter (Mm) = 13123359.580052493 Palms (palm)

1 megameter equals 13123359.580052493 palms.

Megameter to Digit

1 Mm = 52493438.32020997 digit

1 Megameter (Mm) = 52493438.32020997 Digits (digit)

1 megameter equals 52493438.32020997 digits.

Megameter to Link

1 Mm = 4970969.537898672 link

1 Megameter (Mm) = 4970969.537898672 Links (link)

1 megameter equals 4970969.537898672 links.

Megameter to Ell

1 Mm = 874890.6386701663 ell

1 Megameter (Mm) = 874890.6386701663 Ells (ell)

1 megameter equals 874890.6386701663 ells.

Megameter to Barleycorn

1 Mm = 118063754.42739078 barleycorn

1 Megameter (Mm) = 118063754.42739078 Barleycorns (barleycorn)

1 megameter equals 118063754.42739078 barleycorns.

Megameter to Astronomical Unit

1 Mm = 0.000006684587122268446 AU

1 Megameter (Mm) = 0.000006684587122268446 Astronomical Unit (AU)

1 megameter equals 0.000006684587122268446 Astronomicalunit.

Megameter to Light-Second

1 Mm = 0.0033356409519815205 ls

1 Megameter (Mm) = 0.0033356409519815205 Light-Second (ls)

1 megameter equals 0.0033356409519815205 Light-Second.

Megameter to Light-Minute

1 Mm = 0.00005559401586635867 lm

1 Megameter (Mm) = 0.00005559401586635867 Light-Minute (lm)

1 megameter equals 0.00005559401586635867 Light-Minute.

Megameter to Light-Hour

1 Mm = 9.265669309342726e-7 lh

1 Megameter (Mm) = 9.265669309342726e-7 Light-Hour (lh)

1 megameter equals 9.265669309342726e-7 Light-Hour.

Megameter to Light-Day

1 Mm = 3.8606955464537676e-8 ld

1 Megameter (Mm) = 3.8606955464537676e-8 Light-Day (ld)

1 megameter equals 3.8606955464537676e-8 Light-Day.

Megameter to Light-Year

1 Mm = 1.0570008340246154e-10 ly

1 Megameter (Mm) = 1.0570008340246154e-10 Light-Year (ly)

1 megameter equals 1.0570008340246154e-10 Light-Year.

Megameter to Parsec

1 Mm = 3.2407792894443624e-11 pc

1 Megameter (Mm) = 3.2407792894443624e-11 Parsec (pc)

1 megameter equals 3.2407792894443624e-11 Parsec.

Megameter to Kiloparsec

1 Mm = 3.2407792894443624e-14 kpc

1 Megameter (Mm) = 3.2407792894443624e-14 Kiloparsec (kpc)

1 megameter equals 3.2407792894443624e-14 Kiloparsec.

Megameter to Megaparsec

1 Mm = 3.240779289444362e-17 Mpc

1 Megameter (Mm) = 3.240779289444362e-17 Megaparsec (Mpc)

1 megameter equals 3.240779289444362e-17 Megaparsec.

Megameter to Gigaparsec

1 Mm = 3.2407792894443624e-20 Gpc

1 Megameter (Mm) = 3.2407792894443624e-20 Gigaparsec (Gpc)

1 megameter equals 3.2407792894443624e-20 Gigaparsec.

Megameter to Nautical Mile

1 Mm = 539.9568034557235 NM

1 Megameter (Mm) = 539.9568034557235 Nautical Miles (NM)

1 megameter equals 539.9568034557235 Nautical Miles.

Megameter to Fathom

1 Mm = 546806.6491688539 ftm

1 Megameter (Mm) = 546806.6491688539 Fathoms (ftm)

1 megameter equals 546806.6491688539 fathoms.

Megameter to Cable Length

1 Mm = 4556.722076407116 cable

1 Megameter (Mm) = 4556.722076407116 Cable Lengths (cable)

1 megameter equals 4556.722076407116 Cable Length s.

Megameter to Nautical League

1 Mm = 179.98560115190784 NL

1 Megameter (Mm) = 179.98560115190784 Nautical Leagues (NL)

1 megameter equals 179.98560115190784 Nautical Leagues.

Megameter to Thou

1 Mm = 39370078740.15748 mil

1 Megameter (Mm) = 39370078740.15748 Thous (mil)

1 megameter equals 39370078740.15748 thous.

Megameter to Rod

1 Mm = 198838.78151594684 rd

1 Megameter (Mm) = 198838.78151594684 Rods (rd)

1 megameter equals 198838.78151594684 rods.

Megameter to Chain

1 Mm = 49709.69537898671 ch

1 Megameter (Mm) = 49709.69537898671 Chains (ch)

1 megameter equals 49709.69537898671 chains.

Megameter to Furlong

1 Mm = 4970.969537898672 fur

1 Megameter (Mm) = 4970.969537898672 Furlongs (fur)

1 megameter equals 4970.969537898672 furlongs.

Megameter to Mile

1 Mm = 621.371192237334 mi

1 Megameter (Mm) = 621.371192237334 Miles (mi)

1 megameter equals 621.371192237334 miles.

Megameter to League

1 Mm = 207.12373074577798 lea

1 Megameter (Mm) = 207.12373074577798 Leagues (lea)

1 megameter equals 207.12373074577798 leagues.