Free engineering tools for compressed air systems. Convert dew points, pressures, flow rates, power and temperatures, check ISO 8573-1 water classes and size motors. Every calculator works on desktop and mobile and shows the reference conditions it uses.
- Dew Point Calculator Convert pressure dew point to atmospheric dew point, find the ISO 8573-1 water class and get a dryer recommendation. Open calculator
- Pressure Converter Bar, kPa, psi, MPa and more, in gauge or absolute terms, corrected for site altitude. Open calculator
- Standard to Normal Flow Converter Convert Sm³/h to Nm³/h and back, between standard (15 °C) and normal (0 °C) conditions. Open calculator
- Actual Air Flow Converter Convert Nm³/h to actual m³/h (FAD) at real inlet temperature, pressure and humidity. Open calculator
- Metric to Imperial Flow Converter Convert Nm³/h to SCFM and back, with a choice of 60 °F or 68 °F SCFM. Open calculator
- Motor Power Converter Convert kW and hp, and size a motor at 115% of absorbed shaft power to the next standard IEC rating. Open calculator
- Temperature Converter Celsius, Kelvin and Fahrenheit, plus the adiabatic discharge temperature of compressed air. Open calculator