Systems of Measurement¶
LibreCAD supports a large number of measurement systems/units:
Unit | Abbr. | System | Equivalences | Uses (*) |
---|---|---|---|---|
Inch | in | Imperial | 3 barleycorns | Widely used in the United States, Canada, and the United Kingdom. |
Foot | ft | Imperial | Size 46 (EU) shoe size | Still widely used in the United States, Canada, and the United Kingdom. |
Mile | mi | Imperial | 0.2756 of a Dutch mile | Used way too often in other than a ‘’international mile’’. |
Millimeter | mm | SI | More than 25 in an in | Vanilli’s favorite |
Centimeter | cm | SI | ||
Meter | m | SI | nm | |
Kilometer | km | SI | Sigh, SI units are not funny… | |
Microinch | µin | Imperial | ||
Mil | mil | Imperial | 1/1000 of an inch | Replaced with ‘’thou’’ (but not ‘’you’’). |
Yard | yd | imperial | 3 foots | Measure ale! |
Angstrom | å | ≈ one ten-billionth of a meter | Zoom to a parsec - I dare you. | |
Nanometer | nm | SI | 1 E−9 m | the UoM formerly known as the ‘’millimicrometre’’ and ‘’mµ’’. |
Micron | µm | SI | Really is a ‘’micrometer’’, but not to be confused with a ‘’micrometer screw gauge’’. | |
Decimeter | dm | SI | 0.1 meter | |
Decameter | dam | SI | 10 meters | ‘’dam’’, don’t be juvenile. |
Hectometer | hm | SI | 100 meters | Should be funny, but why? |
Gigameter | Gm | SI | 1,000,000,000 meters | That’s one beeellion meters. |
Astro | au, ua or AU | astronomical unit | also a ‘’a South Korean boy band’’. | |
Lightyear | ly | astronomical unit | 63241 au | First name ‘’Buzz’’. |
Parsecs | pc | astronomical unit | ≈ 206264.806247096 astronomical units | er, big. What else can one say? Made popular by James T. |
*: Obtained from Wikipedia and Wiktionary and wildly interpreted by the author of this page.