Convert Gigameter to Megameter Online

Gigameter (Gm)

Megameter (Mm)

About Gigameter to Megameter Conversion

This converter converts Gigameter (Gm) to Megameter (Mm). One Gigameter (Gm) equals 1000 Megameter (Mm).

Formula:

1 Gigameter (Gm) = 1000 Megameter (Mm)

Example:

1 Gm = 1000 Mm

2 Gm = 2000 Mm

Gigameter (Gm) to Megameter (Mm) Conversion

Convert Gigameter 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 = Gigameter × 1000

To convert Gigameter (Gm) to Megameter (Mm), multiply the value by 1000. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 Gm to Mm.

Step 1: Write the formula: Mm = Gm × 1000
Step 2: Substitute: 1 × 1000
Step 3: Result: 1000 Mm

So, 1 Gm = 1000 Mm.

About the Units

Gigameter (Gm)

One Gigameter (Gm) equals 1000 Megameter (Mm)

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

Megameter (Mm)

One Megameter (Mm) equals 0.001 Gigameter (Gm)

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

Where This Conversion Is Used

Converting values from Gigameter 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.
Essential in astronomy, orbital mechanics, and large-scale simulations.

Frequently Asked Questions

How many Megameter (Mm) are in 1 Gigameter (Gm)?

1 Gm = 1000 Mm.

What is the formula for converting Gigameter (Gm) to Megameter (Mm)?

Multiply the Gm value by 1000.

Can I reverse the conversion?

Yes. 1 Mm = 0.001 Gm.

Conclusion

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

Quick Links for Unit Converters

Convert Gigameter to Other Units

Gigameter to Inch

1 Gm = 39370078740.15748 in

1 Gigameter (Gm) = 39370078740.15748 Inches (in)

1 gigameter equals 39370078740.15748 inches.

Gigameter to Foot

1 Gm = 3280839895.013123 ft

1 Gigameter (Gm) = 3280839895.013123 Feet (ft)

1 gigameter equals 3280839895.013123 feet.

Gigameter to Feet

1 Gm = 3280839895.013123 ft

1 Gigameter (Gm) = 3280839895.013123 Feets (ft)

1 gigameter equals 3280839895.013123 feets.

Gigameter to Centimeter

1 Gm = 100000000000 cm

1 Gigameter (Gm) = 100000000000 Centimeters (cm)

1 gigameter equals 100000000000 centimeters.

Gigameter to Meter

1 Gm = 1000000000 m

1 Gigameter (Gm) = 1000000000 Meters (m)

1 gigameter equals 1000000000 meters.

Gigameter to Kilometer

1 Gm = 1000000 km

1 Gigameter (Gm) = 1000000 Kilometers (km)

1 gigameter equals 1000000 kilometers.

Gigameter to Millimeter

1 Gm = 1000000000000 mm

1 Gigameter (Gm) = 1000000000000 Millimeters (mm)

1 gigameter equals 1000000000000 millimeters.

Gigameter to Yard

1 Gm = 1093613298.3377078 yd

1 Gigameter (Gm) = 1093613298.3377078 Yards (yd)

1 gigameter equals 1093613298.3377078 yards.

Gigameter to Yoctometer

1 Gm = 1.0000000000000001e+33 ym

1 Gigameter (Gm) = 1.0000000000000001e+33 Yoctometers (ym)

1 gigameter equals 1.0000000000000001e+33 yoctometers.

Gigameter to Zeptometer

1 Gm = 1.0000000000000002e+30 zm

1 Gigameter (Gm) = 1.0000000000000002e+30 Zeptometers (zm)

1 gigameter equals 1.0000000000000002e+30 zeptometers.

Gigameter to Attometer

1 Gm = 9.999999999999999e+26 am

1 Gigameter (Gm) = 9.999999999999999e+26 Attometers (am)

1 gigameter equals 9.999999999999999e+26 attometers.

Gigameter to Femtometer

1 Gm = 1e+24 fm

1 Gigameter (Gm) = 1e+24 Femtometers (fm)

1 gigameter equals 1e+24 femtometers.

Gigameter to Picometer

1 Gm = 1e+21 pm

1 Gigameter (Gm) = 1e+21 Picometers (pm)

1 gigameter equals 1e+21 picometers.

Gigameter to Nanometer

1 Gm = 1000000000000000000 nm

1 Gigameter (Gm) = 1000000000000000000 Nanometers (nm)

1 gigameter equals 1000000000000000000 nanometers.

Gigameter to Micrometer

1 Gm = 1000000000000000 µm

1 Gigameter (Gm) = 1000000000000000 Micrometers (µm)

1 gigameter equals 1000000000000000 micrometers.

Gigameter to Decimeter

1 Gm = 10000000000 dm

1 Gigameter (Gm) = 10000000000 Decimeters (dm)

1 gigameter equals 10000000000 decimeters.

Gigameter to Decameter

1 Gm = 100000000 dam

1 Gigameter (Gm) = 100000000 Decameters (dam)

1 gigameter equals 100000000 decameters.

Gigameter to Hectometer

1 Gm = 10000000 hm

1 Gigameter (Gm) = 10000000 Hectometers (hm)

1 gigameter equals 10000000 hectometers.

Gigameter to Megameter

1 Gm = 1000 Mm

1 Gigameter (Gm) = 1000 Megameters (Mm)

1 gigameter equals 1000 megameters.

Gigameter to Terameter

1 Gm = 0.001 Tm

1 Gigameter (Gm) = 0.001 Terameter (Tm)

1 gigameter equals 0.001 terameter.

Gigameter to Petameter

1 Gm = 0.000001 Pm

1 Gigameter (Gm) = 0.000001 Petameter (Pm)

1 gigameter equals 0.000001 petameter.

Gigameter to Exameter

1 Gm = 1e-9 Em

1 Gigameter (Gm) = 1e-9 Exameter (Em)

1 gigameter equals 1e-9 exameter.

Gigameter to Zettameter

1 Gm = 1e-12 Zm

1 Gigameter (Gm) = 1e-12 Zettameter (Zm)

1 gigameter equals 1e-12 zettameter.

Gigameter to Yottameter

1 Gm = 1e-15 Ym

1 Gigameter (Gm) = 1e-15 Yottameter (Ym)

1 gigameter equals 1e-15 yottameter.

Gigameter to Cubit

1 Gm = 2187226596.6754155 cubit

1 Gigameter (Gm) = 2187226596.6754155 Cubits (cubit)

1 gigameter equals 2187226596.6754155 cubits.

Gigameter to Span

1 Gm = 4374453193.350831 span

1 Gigameter (Gm) = 4374453193.350831 Spans (span)

1 gigameter equals 4374453193.350831 spans.

Gigameter to Hand

1 Gm = 9842519685.03937 hh

1 Gigameter (Gm) = 9842519685.03937 Hands (hh)

1 gigameter equals 9842519685.03937 hands.

Gigameter to Palm

1 Gm = 13123359580.052492 palm

1 Gigameter (Gm) = 13123359580.052492 Palms (palm)

1 gigameter equals 13123359580.052492 palms.

Gigameter to Digit

1 Gm = 52493438320.20997 digit

1 Gigameter (Gm) = 52493438320.20997 Digits (digit)

1 gigameter equals 52493438320.20997 digits.

Gigameter to Link

1 Gm = 4970969537.898671 link

1 Gigameter (Gm) = 4970969537.898671 Links (link)

1 gigameter equals 4970969537.898671 links.

Gigameter to Ell

1 Gm = 874890638.6701663 ell

1 Gigameter (Gm) = 874890638.6701663 Ells (ell)

1 gigameter equals 874890638.6701663 ells.

Gigameter to Barleycorn

1 Gm = 118063754427.3908 barleycorn

1 Gigameter (Gm) = 118063754427.3908 Barleycorns (barleycorn)

1 gigameter equals 118063754427.3908 barleycorns.

Gigameter to Astronomical Unit

1 Gm = 0.006684587122268446 AU

1 Gigameter (Gm) = 0.006684587122268446 Astronomical Unit (AU)

1 gigameter equals 0.006684587122268446 Astronomicalunit.

Gigameter to Light-Second

1 Gm = 3.3356409519815204 ls

1 Gigameter (Gm) = 3.3356409519815204 Light-Seconds (ls)

1 gigameter equals 3.3356409519815204 Light-Seconds.

Gigameter to Light-Minute

1 Gm = 0.055594015866358676 lm

1 Gigameter (Gm) = 0.055594015866358676 Light-Minute (lm)

1 gigameter equals 0.055594015866358676 Light-Minute.

Gigameter to Light-Hour

1 Gm = 0.0009265669309342727 lh

1 Gigameter (Gm) = 0.0009265669309342727 Light-Hour (lh)

1 gigameter equals 0.0009265669309342727 Light-Hour.

Gigameter to Light-Day

1 Gm = 0.00003860695546453768 ld

1 Gigameter (Gm) = 0.00003860695546453768 Light-Day (ld)

1 gigameter equals 0.00003860695546453768 Light-Day.

Gigameter to Light-Year

1 Gm = 1.0570008340246155e-7 ly

1 Gigameter (Gm) = 1.0570008340246155e-7 Light-Year (ly)

1 gigameter equals 1.0570008340246155e-7 Light-Year.

Gigameter to Parsec

1 Gm = 3.240779289444362e-8 pc

1 Gigameter (Gm) = 3.240779289444362e-8 Parsec (pc)

1 gigameter equals 3.240779289444362e-8 Parsec.

Gigameter to Kiloparsec

1 Gm = 3.2407792894443624e-11 kpc

1 Gigameter (Gm) = 3.2407792894443624e-11 Kiloparsec (kpc)

1 gigameter equals 3.2407792894443624e-11 Kiloparsec.

Gigameter to Megaparsec

1 Gm = 3.240779289444362e-14 Mpc

1 Gigameter (Gm) = 3.240779289444362e-14 Megaparsec (Mpc)

1 gigameter equals 3.240779289444362e-14 Megaparsec.

Gigameter to Gigaparsec

1 Gm = 3.2407792894443625e-17 Gpc

1 Gigameter (Gm) = 3.2407792894443625e-17 Gigaparsec (Gpc)

1 gigameter equals 3.2407792894443625e-17 Gigaparsec.

Gigameter to Nautical Mile

1 Gm = 539956.8034557236 NM

1 Gigameter (Gm) = 539956.8034557236 Nautical Miles (NM)

1 gigameter equals 539956.8034557236 Nautical Miles.

Gigameter to Fathom

1 Gm = 546806649.1688539 ftm

1 Gigameter (Gm) = 546806649.1688539 Fathoms (ftm)

1 gigameter equals 546806649.1688539 fathoms.

Gigameter to Cable Length

1 Gm = 4556722.076407116 cable

1 Gigameter (Gm) = 4556722.076407116 Cable Lengths (cable)

1 gigameter equals 4556722.076407116 Cable Length s.

Gigameter to Nautical League

1 Gm = 179985.60115190785 NL

1 Gigameter (Gm) = 179985.60115190785 Nautical Leagues (NL)

1 gigameter equals 179985.60115190785 Nautical Leagues.

Gigameter to Thou

1 Gm = 39370078740157.48 mil

1 Gigameter (Gm) = 39370078740157.48 Thous (mil)

1 gigameter equals 39370078740157.48 thous.

Gigameter to Rod

1 Gm = 198838781.51594687 rd

1 Gigameter (Gm) = 198838781.51594687 Rods (rd)

1 gigameter equals 198838781.51594687 rods.

Gigameter to Chain

1 Gm = 49709695.378986716 ch

1 Gigameter (Gm) = 49709695.378986716 Chains (ch)

1 gigameter equals 49709695.378986716 chains.

Gigameter to Furlong

1 Gm = 4970969.537898672 fur

1 Gigameter (Gm) = 4970969.537898672 Furlongs (fur)

1 gigameter equals 4970969.537898672 furlongs.

Gigameter to Mile

1 Gm = 621371.192237334 mi

1 Gigameter (Gm) = 621371.192237334 Miles (mi)

1 gigameter equals 621371.192237334 miles.

Gigameter to League

1 Gm = 207123.73074577798 lea

1 Gigameter (Gm) = 207123.73074577798 Leagues (lea)

1 gigameter equals 207123.73074577798 leagues.

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.