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Length
Distance, height, thickness and astronomical length.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result6.68459e-12 au1 m = 6.68459e-12 au
EVERYDAY · ENGINEERING · SCIENCE
m to au Converter
Convert metre (m) to astronomical unit (au). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through metre
Enter a metre value to calculate astronomical unit with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| quectometrefrom m | qm | 1e30 |
| rontometrefrom m | rm | 1e27 |
| yoctometrefrom m | ym | 1e24 |
| zeptometrefrom m | zm | 1e21 |
| attometrefrom m | am | 1e18 |
| femtometrefrom m | fm | 1000000000000000 |
| picometrefrom m | pm | 1000000000000 |
| nanometrefrom m | nm | 1000000000 |
| ångströmfrom m | Å | 10000000000 |
| micrometrefrom m | µm | 1000000 |
| millimetrefrom m | mm | 1000 |
| centimetrefrom m | cm | 100 |
| decimetrefrom m | dm | 10 |
| metrefrom m | m | 1 |
| decametrefrom m | dam | 0.1 |
| hectometrefrom m | hm | 0.01 |
| kilometrefrom m | km | 0.001 |
| megametrefrom m | Mm | 0.000001 |
| gigametrefrom m | Gm | 0.000000001 |
| terametrefrom m | Tm | 1e-12 |
| petametrefrom m | Pm | 1e-15 |
| exametrefrom m | Em | 1e-18 |
| zettametrefrom m | Zm | 1e-21 |
| yottametrefrom m | Ym | 1e-24 |
| ronnametrefrom m | Rm | 1e-27 |
| quettametrefrom m | Qm | 1e-30 |
| thou / milfrom m | mil | 39370.1 |
| inchfrom m | in | 39.3701 |
| footfrom m | ft | 3.28084 |
| yardfrom m | yd | 1.09361 |
| chainfrom m | ch | 0.0497097 |
| furlongfrom m | fur | 0.00497097 |
| international milefrom m | mi | 0.000621371 |
| nautical milefrom m | nmi | 0.000539957 |
| U.S. survey footfrom m | ftUS | 3.28083 |
| typographic pointfrom m | pt | 2834.65 |
| astronomical unitfrom m | au | 6.68459e-12 |
| light-secondfrom m | ls | 0.00000000333564 |
| light-yearfrom m | ly | 1.057e-16 |
| parsecfrom m | pc | 3.24078e-17 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
m to au Conversion Reference
Metre (m) and astronomical unit (au) are units of length. Use this page to convert in either direction.
Conversion Examples
| Metre (m) | Astronomical Unit (au) |
|---|---|
| 1 m | 6.68459e-12 au |
| 5 m | 3.34229e-11 au |
| 10 m | 6.68459e-11 au |
| 100 m | 6.68459e-10 au |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
au to m (astronomical unit to metre)
Related Length Conversions
m to qm (metre to quectometre)m to rm (metre to rontometre)m to ym (metre to yoctometre)m to zm (metre to zeptometre)m to am (metre to attometre)m to fm (metre to femtometre)m to pm (metre to picometre)m to nm (metre to nanometre)m to Å (metre to ångström)m to µm (metre to micrometre)m to mm (metre to millimetre)m to cm (metre to centimetre)m to dm (metre to decimetre)m to dam (metre to decametre)m to hm (metre to hectometre)m to km (metre to kilometre)m to Mm (metre to megametre)m to Gm (metre to gigametre)m to Tm (metre to terametre)m to Pm (metre to petametre)m to Em (metre to exametre)m to Zm (metre to zettametre)m to Ym (metre to yottametre)m to Rm (metre to ronnametre)m to Qm (metre to quettametre)m to mil (metre to thou / mil)m to in (metre to inch)m to ft (metre to foot)m to yd (metre to yard)m to ch (metre to chain)m to fur (metre to furlong)m to mi (metre to international mile)m to nmi (metre to nautical mile)m to ftUS (metre to U.S. survey foot)m to pt (metre to typographic point)m to ls (metre to light-second)m to ly (metre to light-year)m to pc (metre to parsec)