Unit Conversion Calculators
5 free online calculators for engineers and makers.
Frequency ↔ Wavelength
Convert frequency to wavelength in any medium. Calculates full, half, and quarter wavelengths for antenna design, transmission line, and RF system planning.
dBm ↔ Watts
Convert RF power between dBm, Watts, milliwatts, dBW, dBμV, and RMS volts into 50Ω. Essential for link budgets, amplifier analysis, and RF system design.
Temperature Converter
Convert temperature between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur scales. Useful for thermal analysis, datasheet comparison, and engineering calculations.
AWG Wire Gauge
Convert AWG wire gauge to diameter (mm/inches), cross-sectional area (mm²), resistance per meter, and approximate current carrying capacity.
Capacitor Code
Decode 3-digit capacitor code (e.g., 104 = 100nF) to capacitance in pF, nF, and μF. Works with ceramic, film, and tantalum capacitor markings.