VSWR to Return Loss Conversion Formulas Reflection Coefficient Return Loss VSWR Mismatch Loss Calculator VSWRVSWR CalculateReset Return LossdBReturn Loss Mismatch LossdBMismatch Loss Reflection CoefficientReflection Coefficient VSWRReflection CoefficientReturn Loss (dB)Mismatch Loss (dB) 1.000.0000Infinite0.0000 1.010.005046.060.0001 1.020.009940.090.0004 1.030.014836.610.0009 1.040.019634.150.0017 1.050.024432.260.0026 1.060.029130.710.0037 1.070.033829.420.0050 1.080.038528.300.0064 1.090.043127.320.0081 1.100.047626.440.0099 1.110.052125.660.0118 1.120.056624.940.0139 1.130.061024.290.0162 1.140.065423.690.0186 1.150.069823.130.0212 1.160.074122.610.0239 1.170.078322.120.0267 1.180.082621.660.0297 1.190.086821.230.0328 1.200.090920.830.0360 1.210.095020.440.0394 1.220.099120.080.0429 1.230.103119.730.0464 1.240.107119.400.0501 1.250.111119.080.0540 1.260.115018.780.0579 1.270.118918.490.0619 1.280.122818.220.0660 1.290.126617.950.0702 1.300.130417.690.0745 1.310.134217.450.0789 1.320.137917.210.0834 1.330.141616.980.0880 1.340.145316.750.0927 1.350.148916.540.0974 1.360.152516.330.1023 1.370.156116.130.1072 1.380.159715.940.1121 1.390.163215.750.1172 1.400.166715.560.1223 1.410.170115.380.1275 1.420.173615.210.1328 1.430.177015.040.1382 1.440.180314.880.1436 1.450.183714.720.1490 1.460.187014.560.1546 1.470.190314.410.1602 1.480.193514.260.1658 1.490.196814.120.1715 1.500.200013.980.1773 1.510.203213.840.1831 1.520.206313.710.1890 1.530.209513.580.1949 1.540.212613.450.2009 1.550.215713.320.2069 1.560.218813.200.2130 1.570.221813.080.2191 1.580.224812.960.2252 1.590.227812.850.2314 1.600.230812.740.2377 1.610.233712.630.2440 1.620.236612.520.2503 1.630.239512.410.2566 1.640.242412.310.2630 1.650.245312.210.2695 1.660.248112.110.2760 1.670.250912.010.2825 1.680.253711.910.2890 1.690.256511.820.2956 1.700.259311.730.3022 1.710.262011.630.3088 1.720.264711.540.3155 1.730.267411.460.3222 1.740.270111.370.3289 1.750.272711.290.3357 1.760.275411.200.3425 1.770.278011.120.3493 1.780.280611.040.3561 1.790.283210.960.3630 1.800.285710.880.3698 1.810.288310.800.3767 1.820.290810.730.3837 1.830.293310.650.3906 1.840.295810.580.3976 1.850.298210.510.4046 1.860.300710.440.4116 1.870.303110.370.4186 1.880.305610.300.4257 1.890.308010.230.4327 1.900.310310.160.4398 1.910.312710.100.4469 1.920.315110.030.4540 1.930.31749.970.4612 1.940.31979.900.4683 1.950.32209.840.4755 1.960.32439.780.4827 1.970.32669.720.4899 1.980.32899.660.4971 1.990.33119.600.5043 2.000.33339.540.5115 Provided for convenience only. Not responsible for errors. Use at your risk.