RF Design Calculators

A curated collection of verified engineering tools. Designed for speed, accuracy, and ease of use in the lab or the field.

Attenuators

Design precision resistance networks for signal padding.

Variable attenuation with constant Z0.

Standard 3-resistor pads.

Symmetrical H-Pads for balanced lines.

Impedance matching with L-Pad topology.

Convert units and analyze signal quality.

Watts ↔ Volts ↔ dBm conversions.

Calculate Return Loss and Mismatch Loss.

Voltage/Current/Power relationships.

Calculate noise floor (kTB).

End-to-end link and component analysis.

Friis transmission equation estimates.

Total system noise factor.

AC resistance at frequency.

PCB trace width calculation.

We are constantly adding new calculators. If you need a specific RF tool that isn't listed here, let us know and we'll build it.