1. step = select categories of units that needs to recalculate each other
2. step = select unit, which will be converted
3. step = select a proper proportion to each other we want to calculate.
4. step = enter a value in one of the selected rate.
5. step = press the "Convert"

Stavebniny - OnLine - všetko o stavebných firmách a stavebných materiáloch
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