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Chain to Millimeter
Convert Chain to Millimeter and get the exact value instantly.
1 ch = 20116.8 mm
About this conversion
To convert Chain to Millimeter, multiply the number of Chain by 20116.8.
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
| Chain (ch) | Millimeter (mm) |
|---|---|
| 1 ch | 20116.8 mm |
| 2 ch | 40233.6 mm |
| 5 ch | 100584 mm |
| 10 ch | 201168 mm |
| 100 ch | 2011680 mm |
How to use this converter
- Enter your Chain value
Type any number into the Chain 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 Chain?
- One Chain equals 20116.8 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 Chain 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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