LinuxQuestions.org
Register a domain and help support LQ
Go Back   LinuxQuestions.org > Blogs > druuna
User Name
Password

Notices



- - - - - As of February 1st 2014 this blog is no longer updated - - - - -
Rating: 2 votes, 4.50 average.

Convert Metric <-> Imperial

Posted 01-03-2014 at 05:14 AM by druuna
Updated 01-31-2014 at 04:24 AM by druuna

Converting from metric to imperial and vice versa using bc.

Here are a few examples in the form of functions:

# -------------------------------------------------------------------------- #
# - Imperial to metric
# -------------------------------------------------------------------------- #

  • pounds to kilograms
PHP Code:
# Function : lbToKg
# Syntax   : lbToKg <pounds>
#
# Convert pounds to kilogram
function lbToKg() {
  echo 
"$1 * 0.4536" bc

  • ounces to grams
PHP Code:
# Function : ozToGr
# Syntax   : ozToGr <ounces>
#
# Convert ounces to grams
function ozToGr() {
  echo 
"$1 * 28.35" bc

  • inches to centimeters
PHP Code:
# Function : inToCm
# Syntax   : inToCm <inches>
#
# Convert inches to centimeters
function inToCm() {
  echo 
"$1 * 2.54" bc

  • feet to meters
PHP Code:
# Function : ftToMe
# Syntax   : ftToMe <feet>
#
# Convert feet to meters
function ftToMe() {
  echo 
"$1 * 0.3048" bc

  • miles to kilometers
PHP Code:
# Function : miToKm
# Syntax   : miToKm <miles>
#
# Convert miles to kilometers
function miToKm() {
  echo 
"$1 * 1.6093" bc

  • yards to meters
PHP Code:
# Function : ydToMe
# Syntax   : ydToMe <yards>
#
# Convert yards to meters
function ydToMe() {
  echo 
"$1 * 0.9144" bc

  • feet and inches to centimeters
PHP Code:
# Function : fiToCm
# Syntax   : fiToCm <feet> <inches>
#
# Convert feet and inches to centimeters
function fiToCm() {
  echo 
"scale=0 ; (($1 * 30.48) + ($2 * 2.54)) / 1" bc

  • fahrenheit to celsius
PHP Code:
# Function : faToCe
# Syntax   : faToCe <temp_fahrenheit>
#  C = (F - 32) x 5/9
# Convert fahrenheit to celsius
function faToCe() {
  echo 
"scale=2 ; ($1 - 32) * 5/9" bc

# -------------------------------------------------------------------------- #
# - Metric to Imperial
# -------------------------------------------------------------------------- #

  • kilograms to pounds
PHP Code:
# Function : kgToLb
# Syntax   : kgToLb <kilos>
#
# Convert kilograms to pounds
function kgToLb() {
  echo 
"$1 * 2.2046" bc

  • grams to ounces
PHP Code:
# Function : grToOz
# Syntax   : grToOz <grams>
#
# Convert grams to ounces
function grToOz() {
  echo 
"$1 * 0.0353" bc

  • centimeters to inches
PHP Code:
# Function : cmToIn
# Syntax   : cmToIn <centimeters>
#
# Convert centimeters to inches
function cmToIn() {
  echo 
"$1 * 0.3937" bc

  • meters to feet
PHP Code:
# Function : meToFt
# Syntax   : meToFt <meters>
#
# Convert meters to feet
function meToFt() {
  echo 
"$1 * 3.2808" bc

  • kilometers to miles
PHP Code:
# Function : kmToMi
# Syntax   : kmToMi <kilometers>
#
# Convert kilometers to miles
function kmToMi() {
  echo 
"$1 * 0.6214" bc

  • meters to yards
PHP Code:
# Function : meToYd
# Syntax   : meToYd <meters>
#
# Convert meters to yards
function meToYd() {
  echo 
"$1 * 1.0936" bc

  • centimeters to feet and inches
PHP Code:
# Function : cmToFi
# Syntax   : cmToFi <centimeters>
#
# Convert centimeters to feet and inches
function cmToFi() {
  
FEET=$( echo "scale=0;($1 * 0.3937) / 12" bc )
  
FEETTOT=$( echo "scale=2;($1 * 0.3937) / 12" bc )
  
INCHES=$( echo "scale=0;(($FEETTOT - $FEET) * 12 + 0.5 )/1" bc )
  echo 
"$FEET $INCHES"

  • celsius to fahrenheit
PHP Code:
# Function : ceToFa
# Syntax   : ceToFa <temp_celsius>
#  F = (C x 9/5) + 32
# Convert celsius to fahrenheit
function ceToFa() {
   echo 
"scale=2 ; ($1 * 9/5) + 32" bc

Posted in General
Views 855 Comments 0
« Prev     Main     Next »

  



All times are GMT -5. The time now is 02:42 AM.

Main Menu
Advertisement

Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
identi.ca: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration