RF Calculators & Converters
Browser-based tools — no sign-up, no installation. All calculations run locally in your browser.
Power & Level
dBm ↔ Watt ↔ Vrms
Convert between dBm, Watt, milliwatt, Vrms, and Vpp. Supports 50 Ω, 75 Ω, and 600 Ω.
Available
VSWR ↔ Return Loss ↔ Γ
Convert between VSWR, Return Loss (dB), Reflection Coefficient, Mismatch Loss, and Transmitted Power.
Available
RF Link Budget
Calculate received power from Tx power, antenna gains, path loss, and cable losses.
Available
Noise Figure Calculator
Friis formula for cascaded noise figure and noise temperature of an RF chain.
Available
Signal Quality
EVM Calculator
Error Vector Magnitude from I/Q data or RMS error power vs. reference power.
Coming Soon
ACLR Simulator
Adjacent Channel Leakage Ratio estimation for modulated signals.
Coming Soon
Measurement Uncertainty
Combined standard uncertainty and expanded uncertainty (GUM method).
Coming Soon
Frequency & Time
Sampling Rate ↔ Nyquist
Convert between sampling rate, Nyquist frequency, and aliasing limits.
Available
Smith Chart
Interactive impedance matching tool on a normalized Smith Chart.
Coming Soon
Filter Design
Butterworth, Chebyshev, and Bessel filter component calculator.
Coming Soon
Components