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Astronomical unit to Millimeter
Convert Astronomical unit to Millimeter and get the exact value instantly.
About this conversion
To convert Astronomical unit to Millimeter, multiply the number of Astronomical unit by 149597870700000.
Length units straddle the metric and imperial systems, so everyday jobs (measuring a room, reading a map, or following a recipe from another country) often need a quick conversion between meters, feet, miles and inches.
Conversion table
| Astronomical unit (AU) | Millimeter (mm) |
|---|---|
| 1 AU | 149597870700000 mm |
| 2 AU | 299195741400000 mm |
| 5 AU | 747989353500000 mm |
| 10 AU | 1.495979e15 mm |
| 100 AU | 1.495979e16 mm |
How to use this converter
- Enter your Astronomical unit value
Type any number into the Astronomical unit field. It starts at 1 so you can read the rate straight away.
- Read the Millimeter result
The amount in Millimeter updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many Millimeter are in one Astronomical unit?
- One Astronomical unit equals 149597870700000 mm. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The Astronomical unit to Millimeter conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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