VSWR Calculator
Calculate VSWR, return loss, and reflection coefficient using power, impedance, or gamma. Includes a conversion chart, formulas, and RF engineering guides.
February 9, 2026
Cables & Impedance
Precision impedance matching for Coaxial cables and PCB transmission lines. Supports Microstrip, Stripline, and Differential Pair calculations to minimize signal reflections in high-speed designs.
Attenuator Calculator
Calculate resistor values for Pi, T, and Bridged-T attenuators. Match impedance and achieve precise dB attenuation for your RF circuits with this free tool.
February 9, 2026
Coaxial Cable Impedance Calculator
Use this tool to calculate the characteristic impedance of a coaxial cable from its physical dimensions. Learn the formula, standard values, and the importance of impedance matching.
February 9, 2026