RF Calculator Suite
Quick engineering calculators for daily RF workflow. Values are intended for fast estimation and review.
Core Calculators
VSWR / Return Loss / |Gamma|
Convert VSWR, RL, and |Gamma|. Includes mismatch loss and reflected power ratio.
Z <-> Gamma Batch Converter
Excel-friendly conversion between impedance and reflection coefficient with full RF metrics.
dB / dBm / W / Vrms Converter
Convert power and voltage levels with selectable system impedance.
Transmission Line Phase <-> Length
Convert physical length to electrical phase and delay using frequency and velocity factor.
Reactance / Resonance / Q
Compute Xl, Xc, resonance frequency, Q, and estimated bandwidth for fast matching checks.
Cable Power Factor (Length + Cable Type)
Estimate insertion loss, transmitted power factor, phase shift, and delay by cable type and length.
Usage Notes
- Transmission-line and cable-loss results are model-based approximations, not replacements for VNA/cable datasheet validation.
- For production decisions, verify with frequency-specific attenuation data and calibrated fixtures.
- All calculators run in-browser; no server-side engineering input processing is required.
How to Choose the Right Calculator
The suite is organized around common RF tasks rather than textbook categories. Start from the engineering question, then jump to the narrowest calculator that answers it with minimal setup.
- If you are reviewing matching quality, begin with VSWR or the Z <-> Gamma converter.
- If you are checking signal level budgets, use dB/dBm/W/Vrms conversion first.
- If your issue is cable phase or delay, use the phase/length tool before the power-factor estimator.
- If you are sizing L/C parts, use the reactance/resonance page for quick first-pass values.
Recommended validation flow
- Use these calculators for initial ranges and sanity checks.
- Cross-check key points with instrument measurements and vendor curves.
- Record the assumptions used (Z0, velocity factor, attenuation source, temperature context).
Update cadence
Tools are maintained as browser-first utilities for daily RF workflow. When formulas, presets, or UI behavior change, pages are updated to keep calculator logic and written guidance aligned.