Convert Mil to Kiloyard
Convert mils to kiloyards instantly. 1 mil = 2.777778e-8 kiloyard — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Kiloyard to Mil converter for the reverse conversion.
Units explained
Mil
A mil (also called a thou) is an Imperial unit of length equal to one thousandth of an inch (1/1000 in = 0.0254 mm = 25.4 μm exactly). It is used in engineering, manufacturing, and materials specifications.
The mil is derived from the Latin mille, "thousand," denoting one-thousandth of an inch. Standardized in industrial use during the 19th-century rise of precision engineering.
Mils are used to specify thicknesses of plastic films, foils, paper, copper traces on printed circuit boards (PCBs), wire insulation, and paint coatings. A standard sheet of paper is about 4 mils thick.
Adopted in 19th-century engineering practice; the value (1/1000 in) became exact in 1959 when the inch was fixed at 25.4 mm via the International Yard and Pound Agreement. The British term is "thou"; American term is "mil".
Kiloyard
A kiloyard is an Imperial unit of length equal to 1,000 yards (914.4 m). It is rarely used in everyday measurement but appears in some technical and military contexts.
The kiloyard combines the metric-style prefix kilo- (Greek chilioi, thousand) with the yard. Standardised via the 1959 International Yard and Pound Agreement.
Kiloyards appear in some artillery and military range specifications, sport-shooting long-range competitions, and certain industrial applications. Less common than the mile for most distances.
Modern usage; standardised through the 1959 International Yard and Pound Agreement.
Mil to Kiloyard conversion formula
The relationship between mils and kiloyards:
To convert mils to kiloyards, multiply the value in mils by 2.777778e-8. To reverse, multiply kiloyards by 3.6e+7.
How to use this converter
Type a value into the calculator. The result in kiloyards updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Kiloyard to Mil converter for the reverse direction.
Step-by-step: convert mils to kiloyards
- Write down the value in mils (mil).
- Multiply that value by the factor 2.777778e-8.
- The product is the equivalent value in kiloyards (kyd).
- To reverse, multiply the kiloyard value by 3.6e+7.
Worked examples
Example 1 — Convert 1 mil to kyd:
1 × 2.777778e-8 = 2.777778e-8 kyd
Example 2 — Convert 100 mil to kyd:
100 × 2.777778e-8 = 2.777778e-6 kyd
Real-world example — Hair-width scale measurements
A 70-mil measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like kiloyards for direct comparison across supplier datasheets.
70 mil × 2.777778e-8 = 1.944444e-6 kyd
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 mils), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 mil × 2.777778e-8 = 8.333333e-8 kyd
Real-world example — Plastic-film thickness alternates
A 150-mil plastic film converts cleanly to kiloyards — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 mil × 2.777778e-8 = 4.166667e-6 kyd
Mil to Kiloyard conversion table
Standard reference values for converting mils to kiloyards:
| Mil [mil] | Kiloyard [kyd] |
|---|---|
| 0.01 | 2.777778e-10 |
| 0.1 | 2.777778e-9 |
| 1 | 2.777778e-8 |
| 2 | 5.555556e-8 |
| 3 | 8.333333e-8 |
| 4 | 1.111111e-7 |
| 5 | 1.388889e-7 |
| 10 | 2.777778e-7 |
| 20 | 5.555556e-7 |
| 30 | 8.333333e-7 |
| 40 | 1.111111e-6 |
| 50 | 1.388889e-6 |
| 100 | 2.777778e-6 |
| 500 | 1.388889e-5 |
| 1000 | 2.777778e-5 |
Frequently asked questions
How many kiloyards is 1 mil?
How do I convert mils to kiloyards?
How do I convert kiloyards back to mils?
How many kiloyards is 100 mils?
Popular length unit conversions
Convert Mil to other length units
Show all Mil conversions
Metric / SI (7 units)
Imperial / US Customary (26 units)
Nautical (1 units)
Sources & references
Conversion factor (1 mil = 2.777778e-8 kyd) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.