RF Calculators — free online tools for RF and microwave engineers. Convert between VSWR, Return Loss, and Reflection Coefficient; calculate power in mW, W, dBm, dBW, and voltage; or convert torque units for connector specifications.
VSWR / Return Loss Calculator
Input Type
VSWR
Return Loss (dB)
Reflection Coefficient (|Γ|)
Value
Calculate
VSWR
-
Return Loss
-
Reflection Coefficient (|Γ|)
-
Mismatch Loss
-
Transmission Coefficient
-
Formulas: 10 (|Γ|) | |Γ| = (VSWR - 1) / (VSWR + 1) | Mismatch Loss (dB) = -10 × log10 (1 - |Γ|²) | Transmission Coefficient = 1 - |Γ|²
Power Conversion Calculator (50 Ω System)
Value
Unit
mW
W
dBm
dBW
V (RMS)
mV (RMS)
Calculate
milliwatts (mW)
-
watts (W)
-
dBm
-
dBW
-
Volts (V, RMS)
-
millivolts (mV, RMS)
-
Formulas: 10 (mW) | dBW = dBm - 30 | VRMS = √(P(W) × 50) | W = mW / 1000
Torque Conversion Calculator
Value
Unit
N·m
N·cm
in·lb
ft·lb
oz·in
kgf·cm
Calculate
Newton-meters (N·m)
-
Newton-centimeters (N·cm)
-
Inch-pounds (in·lb)
-
Foot-pounds (ft·lb)
-
Ounce-inches (oz·in)
-
Kilogram-centimeters (kgf·cm)
-
Formulas:
