The source area is for choosing an unit and entering values. After pressing a key, the value of source will be converted simultanously. and the text field called "target" will be updated immediately. In other words, there is no need to press the return key. A little flag will show you the country or countries, where your selected unit is used usually.
Flags
A little flags shows the country where the unit is used usually.
Flags | Description |
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Système Internationale; SI-units or from the SI derived scientific units. |
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International units, which are not SI units. |
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used in Europe |
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used in English spoken countries, like USA and UK |
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used in USA |
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used in UK |
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used in France |
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used in Spain |
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used in Germany |
... |
Fontcolor
A gray text in the combo box will show an obsolete unit or an unit which
is no longer used in a particular country. Also unusual units have a gray
color (e. g. "Dekameter"). If you want to add, modify or delete units and
flags please have a look at the section "Units".