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*Microsoft Internet Explorer*
users may have to click outside of the input fields
to get results.

Use is made of the **surveyors** units of measurement
that define a *foot* as 1200 / 3937 *meters*.
Within an accuracy of (at least) 5
*digits* it is the same as the international measurement units
where a *foot* is 12 * .0254 *meters*.
One *international foot* is 0.999998 *survey foot*.

Conversions using the *international measurement unit* Miles
(to kilometers or nautical miles or vice versa) can be done using the
speed conversion calculator.

Other measures:
A *rod (rd)*, *pole* or
*perch* is 16.5 *feet* (198 *inches*).

100 *links* is 1 *chain* (is 4
*rods* is 66 *feet* or 792 *inches*).

40 *rods* is a *furlong (fur)* (660 *feet* or
7920 *inches*).

8 *furlongs* is 1 * U.S. statute mile (mi)*.

Note that the *Meter* and *Inch*
output is *not* rounded. The rest is *rounded* to
two digits after the decimal point. The fraction calculations
(for inches and inces for feet)
can sometimes be rounded up to being the equivalent to one.

Written by: Frans B. Simon van Leeuwen. |