Unit Converter Pro allows you the simultaneous conversion of several units. The input value for conversion is the sum of all selected items in the "Convert from" section (the left list). This value is converted to units of all selected items in the "Convert To" section (the right list). The value is split by magnitude and the results (except the last one) are the whole numbers. The sums of the sections "Convert From" and "Convert To" are equal.

It can calculate for example how many meters, decimeters, centimeters and millimeters are [1.236 meters and 5 centimeters].

1.236 meters, 5 centimeters = 1 meters, 2 decimeters, 8 centimeters and 6 millimeters.

*Conversion between Combinations of Units - Unit Converter Pro*

Note:

Units can be added/removed from combination of units by editing
the input box or by selecting/deselecting the required unit from the
unit
list
by clicking on the unit’s name while holding the CTRL key.

The input value of every selected unit is limited to 10 valid digits.

Example 1:

The conversion of 1.000000000001 kilometer. This is exactly 1
kilometer + 1 nanometer but the result of Unit Converter Pro is 1 kilometer
+ 0 nanometer. The input exceeds the 10 digits limit.

Example 2:

The conversion of [1 kilometer + 1 nanometer]. This is exactly 1 kilometer
+ 1 nanometer and also the result of Unit Converter Pro is 1 kilometer
+ 1 nanometer.

**Important:
It is recommended to use the conversion between combination of units for conversion
of size-equal units. **The size-equal units are e.g. meter, yard, foot,
millimeter, kilometer, mile, ... The size-non equal units are e.g. micrometer
and light
year. If you use the conversion between combination of units for conversion
of non-equal units, the result will be probably inexact (mainly the smallest
units in the result).