Millimeter is 0.001 meter units.
Millimeters to Furlongs Converter — mm to fur
Convert Millimeter (mm) to Furlong (fur) using the exact conversion factor (1 millimeter = 0.000004971 furlong). See the formula, worked examples, conversion table, history, and common uses.
Millimeters to Furlongs converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
A furlong is 660 feet.
Result = input x 0.001 / 201.168.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Millimeters to Furlongs
Millimeter and Furlong both measure length. Millimeter is most often used for engineering drawings and manufacturing tolerances worldwide (including in the us).
Formula
furlongs = millimeters × 0.0000049709695379
This factor comes from each unit's defined relationship to the category's base unit: 1 millimeter equals 0.001 base units, and 1 furlong equals 201.168 base units, so dividing one by the other gives the direct millimeter-to-furlong factor of 0.0000049709695379.
Simple example
1 mm × 0.000004970969538 = 0.000004971 fur
1 millimeter = 0.000004971 furlongs.
Real-world example
10 mm × 0.000004970969538 = 0.0000497097 fur
10 millimeters = 0.0000497097 furlongs.
Conversion table
| Millimeter (mm) | Furlong (fur) |
|---|---|
| 1 mm | 0.000004971 fur |
| 5 mm | 0.0000248548 fur |
| 10 mm | 0.0000497097 fur |
| 21.0975 mm | 0.000104875 fur |
| 42.195 mm | 0.0002097501 fur |
| 100 mm | 0.000497097 fur |
Reverse conversion: Furlong to Millimeter
0.000004971 fur × 201168 = 1.000006128 mm
0.000004971 furlongs = 1.000006128 millimeters.
millimeters = furlongs × 201168
For a page dedicated to this direction, see Furlong to Millimeter.
Understanding the Millimeter
Millimeter (mm) measures distance. A millimeter is one-thousandth of a meter. It is classified as a SI derived (metric prefix) unit.
Where it's used: Standard small/precision length unit worldwide, including in US engineering and manufacturing
Uses of the Millimeter today
- Engineering drawings and manufacturing tolerances worldwide (including in the US)
- Rainfall measurement in most countries
- Small-scale everyday measurement (screen sizes, hardware)
History of the Millimeter
The millimeter follows from the meter via the 'milli-' SI prefix (10⁻³). It is notable as one of the few metric units in routine US technical/engineering use, since precision manufacturing and electronics are often specified in millimeters even in the US.
Historical origin. Millimeter was not the invention of a single named person; it developed through the process described above.
Understanding the Furlong (fur)
A furlong is 660 feet.
Millimeter — sources
- BIPM SI Brochure — SI prefixes — Defines 'milli-' as the prefix for 10⁻³.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many furlongs are in 1 millimeter?
1 millimeter equals 0.000004971 furlongs, using the exact defined conversion factor rather than an estimate.
How do I convert millimeter to furlong?
Multiply the millimeter value by 0.000004970969538. The converter above does this instantly to whatever precision you set.
How do I convert furlong back to millimeter?
Use the reverse factor: 1 furlong equals 201,168 millimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a millimeter?
Millimeter (mm) measures distance. A millimeter is one-thousandth of a meter. It is classified as a SI derived (metric prefix) unit.
What is a furlong?
Furlong (fur) is a unit of length.
Is the millimeter to furlong conversion exact?
Yes. Both millimeter and furlong are defined by fixed standards rather than physical artifacts, so the factor of 0.000004970969538 used above is exact to as many digits as you choose to display.
Where is the millimeter still used today?
Standard small/precision length unit worldwide, including in US engineering and manufacturing