METAconverter Length, area, volume, mass, temperature, power, energy, speed, frequency, pressure, force, dB-Uout/Uin, time and currency conversions. Over 110 different units. Euro conversion is fully supported. ... Cost: $15 Buy full version       Trial version       Publisher: META TOOLS     Descriptions METAconverter: Length, area, volume, mass, temperature, power, energy, speed, frequency, pressure, force, dB-Uout/Uin, time and currency conversions. Over 110 different units. Euro conversion is fully supported.