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This template is based on {{tl|convert}}.  It is intended as a meta-template for use in infoboxes.  It accepts from four to seven unnamed parameters.  Even parameters must be numerical (or empty) and specify the numerical value of a measurement and the intended precision of the conversion.  Odd parameters must be unit codes as used in {{tlf|convert}}.  Named parameters are the same as used by {{tlf|convert}}.

This template differs from {{tlf|convert}} in the following respects.

*The units to convert to and the units to convert from must be specified (therefore there are no default convert-to units).
*Fields for the numerical value of a measurement may be left blank.
*The default is to abbreviate units (where abbreviations exist).
*Range conversions are not available.

This template may be used when it is unknown in which direction the conversion is to be made.  The direction is determined as shown in the following examples.

*{{<code>convinfobox|100|m2||sqft</code>}} gives "{{convinfobox|100|m2||sqft}}"
*{{<code>convinfobox||m2|100|sqft</code>}} gives "{{convinfobox||m2|100|sqft}}"

==Dual conversions==
Dual conversions may be performed by adding a fifth (possibly blank) and sixth unnamed parameter.

*{{<code>convinfobox|375|ml||impoz||usoz</code>}} gives "{{convinfobox|375|ml||impoz||usoz}}"
*{{<code>convinfobox||ml|40|impoz||usoz</code>}} gives "{{convinfobox||ml|40|impoz||usoz}}"
*{{<code>convinfobox||ml||impoz|32|usoz</code>}} gives "{{convinfobox||ml||impoz|32|usoz}}"

==Paired units==
Length may be expressed in feet and inches.  

*{{<code>convinfobox|180|cm||ft||in</code>}} gives "{{convinfobox|180|cm||ft||in}}"
*{{<code>convinfobox||cm|5|ft||in</code>}} gives "{{convinfobox||cm|5|ft||in}}"
*{{<code>convinfobox||cm||ft|120|in</code>}} gives "{{convinfobox||cm||ft|120|in}}"
*{{<code>convinfobox||cm|5|ft|6|in</code>}} gives "{{convinfobox||cm|5|ft|6|in}}"
*{{<code>convinfobox||ft||in|180|cm</code>}} gives "{{convinfobox||ft||in|180|cm}}"
*{{<code>convinfobox|5|ft||in||cm</code>}} gives "{{convinfobox|5|ft||in||cm}}"
*{{<code>convinfobox||ft|120|in||cm</code>}} gives "{{convinfobox||ft|120|in||cm}}"
*{{<code>convinfobox|5|ft|6|in||cm</code>}} gives "{{convinfobox|5|ft|6|in||cm}}"

Similarly, mass may be expressed in pounds and ounces.

*{{<code>convinfobox|8.5|kg||lb||oz</code>}} gives "{{convinfobox|8.5|kg||lb||oz}}"
*{{<code>convinfobox||kg|4|lb|3|oz</code>}} gives "{{convinfobox||kg|4|lb|3|oz}}"

Mass may also be expressed in stone and pounds.

*{{<code>convinfobox|65|kg||st||lb</code>}} gives "{{convinfobox|65|kg||st||lb}}"
*{{<code>convinfobox||kg|10|st||lb</code>}} gives "{{convinfobox||kg|10|st||lb}}"
*{{<code>convinfobox||kg|10|st|7|lb</code>}} gives "{{convinfobox||kg|10|st|7|lb}}"
*{{<code>convinfobox||kg||st|145|lb</code>}} gives "{{convinfobox||kg||st|145|lb}}"

==Leaving all numerical fields blank==
If all numerical value fields are left blank the template returns nothing.

*{{<code>convinfobox||m2||sqft</code>}} gives "{{convinfobox||m2||sqft}}"
*{{<code>convinfobox||ml||impoz||usoz</code>}} gives "{{convinfobox||ml||impoz||usoz}}"

==Specifying more than one value==
The template currently bases conversions on the first non-blank numerical value ignoring any secondary or tertiary values.

*{{<code>convinfobox|100|m2|100|sqft</code>}} gives "{{convinfobox|100|m2|100|sqft}}"
*{{<code>convinfobox|375|ml|40|impoz||usoz</code>}} gives "{{convinfobox|375|ml|40|impoz||usoz}}"
*{{<code>convinfobox|375|ml||impoz|32|usoz</code>}} gives "{{convinfobox|375|ml||impoz|32|usoz}}"
*{{<code>convinfobox||ml|40|impoz|32|usoz</code>}} gives "{{convinfobox||ml|40|impoz|32|usoz}}"

==Rounding==
As with {{tlf|convert}} rounding can be done automatically or manually by specifying the precision and/or number of significant figures in the converted value.  The number of significant figures can be determined by the parameter <code>sigfig</code>.  The precision can be determined by the fifth (if there is no sixth) or seventh (if there is a sixth) unnamed parameter as shown in the examples below.

*{{<code>convinfobox|100|m2||sqft|4</code>}} gives "{{convinfobox|100|m2||sqft|4}}"
*{{<code>convinfobox|100|m2||sqft|sigfig=4</code>}} gives "{{convinfobox|100|m2||sqft|sigfig=4}}"
*{{<code>convinfobox||ml|40|impoz||usoz|2</code>}} gives "{{convinfobox||ml|40|impoz||usoz|2}}"
*{{<code>convinfobox||ml|40|impoz||usoz|sigfig=3</code>}} gives "{{convinfobox||ml|40|impoz||usoz|sigfig=3}}"
*{{<code>convinfobox||kg|10|st|7|lb|3</code>}} gives "{{convinfobox||kg|10|st|7|lb|3}}"
*{{<code>convinfobox||kg|10|st|7|lb|sigfig=5</code>}} gives "{{convinfobox||kg|10|st|7|lb|sigfig=5}}"

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[[Category:Conversion templates|Convinfobox]]

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