You could have downloaded PreciseConverter 2.0 from our software library for free. The following version: 2.0 was the most frequently downloaded one by the program users. The default filename for the program's installer is UConverter.exe. This program was originally created by Precise Conversions. The software lies within Office Tools, more precisely Calculators.
From the developer:
PreciseConverter is a desktop utility which provides, Oil, Gas, Energy, Power and all other unit conversions.
You may want to check out more software, such as Gestational Age Calculator, JD8Calc or SCalc, which might be similar to PreciseConverter.