Unit Calculator

Mon Oct 04 2004, 8:33 PM

Purpose

A simple program for converting units between representations. Intended to work as a quick tool.

Usage

Usage: ucalc      for conversion

or ucalc /units [typedef]  for list of unit identificators
or ucalc /units ?          for list of unit typedefs

Example:

[machine:/~]$ ucalc 100 mi

Input:
length:mile                   100 mi


Results:
meter                     160.935 km
meter                      160935 m
foot                       528002 ft
mile                          100 mi
nav.mile                  86.8417 nmi
versta                    150.858 vst
geogr.mile                21.6894 gmi
li                         321.87 li
zhang                     48280.5 zhang
chi                        482805 chi

[machine:/~]$ ucalc 100 MHz

Input:
freq:Hertz                    100 MHz


Results:
Hertz                         100 MHz
wavelength:meter          2.99792 m.w

[machine:/~]$ ucalc 100 MJ

Input:
energy:joule                  100 MJ


Results:
joule                       1e+08 J
joule                         100 MJ
watt-hour                 27.7732 kWh
Brit.Therm.Unit           94781.6 Btu
gram-centimeter           101.968 g/cm
horsepower-hour           37.2578 HP/h
therm-EU                 0.947813 therm
therm-US                 0.948043 therm.us
thermie                    23.892 thermie

Compilation

For a commandline utility:
cc -o ucalc ucalc.c

For CGI:
(Program then takes input from $QUERY_STRING instead from arguments, and its output is formatted in HTML.)
cc -o ucalc.cgi ucalc.c

Files