›› Convert megametre to astronomical unit


megametre
astronomical unit

›› More information from the unit converter

How many megametre in 1 astronomical unit? The answer is 149597.870691.
We assume you are converting between megametre and astronomical unit.
You can view more details on each measurement unit:
megametre or astronomical unit
The SI base unit for length is the metre.
1 metre is equal to 1.0E-6 megametre, or 6.6845871226706E-12 astronomical unit.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between megameters and astronomical units.
Type in your own numbers in the form to convert the units!


›› Want other units?

You can do the reverse unit conversion from astronomical unit to megametre, or enter any two units below:

Enter two units to convert

From:
To:
 

›› Common length conversions

megametre to li
megametre to ridge
megametre to hat
megametre to bamboo
megametre to mark twain
megametre to moot
megametre to meter
megametre to metro
megametre to Q
megametre to microinch


›› Definition: Megameter

A megametre (American spelling: megameter, symbol: Mm) is a unit of length equal to 10^6 metres (from the Greek words megas = big and metro = count/measure). Its customary equivalent is 621.37 miles.


›› Definition: Astronomical unit

The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length. It is approximately equal to the mean distance between the Earth and Sun. The currently accepted value of the AU is 149 597 870 691 ± 30 metres (about 150 million kilometres or 93 million miles).

The symbol "ua" is recommended by the Bureau International des Poids et Mesures, but in the United States and other anglophone countries the reverse usage is more common. The International Astronomical Union recommends "au" and international standard ISO 31-1 uses "AU".


›› 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!