Conversion Chat Between VSWR and Return Loss
VSWR: Voltage Standing Wave Ratio
RL: Return Loss
Conversion Formula: RL=20*log10[(VSWR+1)/(VSWR-1)]
Conversion Chat
| VSWR | RL (dB) | VSWR | RL (dB) | VSWR | RL (dB) | VSWR | RL (dB) | VSWR | RL (dB) |
| 1.001 | 66.025 | 1.06 | 30.714 | 1.138 | 23.803 | 1.48 | 14.264 | 5.4 | 3.255 |
| 1.002 | 60.009 | 1.061 | 30.575 | 1.14 | 23.686 | 1.49 | 14.12 | 5.6 | 3.136 |
| 1.003 | 56.491 | 1.062 | 30.438 | 1.142 | 23.571 | 1.5 | 13.979 | 5.8 | 3.025 |
| 1.004 | 53.997 | 1.063 | 30.303 | 1.144 | 23.457 | 1.52 | 13.708 | 6 | 2.923 |
| 1.005 | 50.484 | 1.064 | 30.171 | 1.146 | 23.346 | 1.54 | 13.449 | 6.2 | 2.827 |
| 1.006 | 50.484 | 1.065 | 30.04 | 1.148 | 23.235 | 1.56 | 13.201 | 6.4 | 2.737 |
| 1.007 | 49.149 | 1.066 | 29.912 | 1.15 | 23.127 | 1.58 | 12.964 | 6.6 | 2.653 |
| 1.008 | 47.993 | 1.067 | 29.785 | 1.152 | 23.02 | 1.6 | 12.736 | 6.8 | 2.573 |
| 1.009 | 46.975 | 1.068 | 29.661 | 1.154 | 22.914 | 1.62 | 12.518 | 7 | 2.499 |
| 1.01 | 46.064 | 1.069 | 29.538 | 1.156 | 22.81 | 1.64 | 12.308 | 7.2 | 2.428 |
| 1.011 | 45.24 | 1.07 | 29.417 | 1.158 | 22.708 | 1.66 | 12.107 | 7.4 | 2.362 |
| 1.012 | 44.489 | 1.071 | 29.298 | 1.16 | 22.607 | 1.68 | 11.913 | 7.6 | 2.299 |
| 1.013 | 43.798 | 1.072 | 29.181 | 1.162 | 22.507 | 1.7 | 11.725 | 7.8 | 2.239 |
| 1.014 | 43.159 | 1.073 | 29.066 | 1.164 | 22.408 | 1.72 | 11.545 | 8 | 2.183 |
| 1.015 | 42.564 | 1.074 | 28.952 | 1.166 | 22.311 | 1.74 | 11.37 | 8.2 | 2.129 |
| 1.016 | 42.007 | 1.075 | 28.839 | 1.168 | 22.215 | 1.76 | 11.202 | 8.4 | 2.078 |
| 1.017 | 41.485 | 1.076 | 28.728 | 1.17 | 22.12 | 1.78 | 11.039 | 8.6 | 2.029 |
| 1.018 | 40.993 | 1.077 | 28.619 | 1.172 | 22.027 | 1.8 | 10.881 | 8.8 | 1.983 |
| 1.019 | 40.528 | 1.078 | 28.511 | 1.174 | 21.934 | 1.82 | 10.7 | 9 | 1.938 |
| 1.02 | 40.086 | 1.079 | 28.405 | 1.176 | 21.843 | 1.84 | 10.581 | 9.2 | 1.896 |
| 1.021 | 39.667 | 1.08 | 28.299 | 1.178 | 21.753 | 1.86 | 10.437 | 9.4 | 1.855 |
| 1.022 | 39.867 | 1.081 | 28.196 | 1.18 | 21.664 | 1.88 | 10.298 | 9.6 | 1.816 |
| 1.023 | 38.885 | 1.082 | 28.093 | 1.182 | 21.576 | 1.9 | 10.163 | 9.8 | 1.779 |
| 1.024 | 38.52 | 1.083 | 27.992 | 1.184 | 21.489 | 1.92 | 10.032 | 10 | 1.743 |
| 1.025 | 38.7 | 1.084 | 27.892 | 1.186 | 21.403 | 1.94 | 9.904 | 11 | 1.584 |
| 1.026 | 37.833 | 1.085 | 27.794 | 1.188 | 21.318 | 1.96 | 9.78 | 12 | 1.451 |
| 1.027 | 37.51 | 1.086 | 27.696 | 1.19 | 21.234 | 1.98 | 9.66 | 13 | 1.339 |
| 1.028 | 37.198 | 1.087 | 27.6 | 1.192 | 21.151 | 2 | 9.542 | 14 | 1.243 |
| 1.029 | 36.895 | 1.088 | 27.505 | 1.194 | 21.069 | 2.1 | 8.999 | 15 | 1.16 |
| 1.03 | 36.607 | 1.089 | 27.411 | 1.196 | 20.988 | 2.2 | 8.519 | 16 | 1.087 |
| 1.031 | 36.327 | 1.09 | 27.318 | 1.198 | 20.907 | 2.3 | 8.091 | 17 | 1.023 |
| 1.032 | 36.055 | 1.091 | 27.266 | 1.2 | 20.828 | 2.4 | 7.707 | 18 | 0.966 |
| 1.033 | 35.792 | 1.092 | 27.135 | 1.21 | 20.443 | 2.5 | 7.36 | 19 | 0.915 |
| 1.034 | 35.537 | 1.093 | 27.046 | 1.22 | 20.079 | 2.6 | 7.044 | 20 | 0.869 |
| 1.035 | 35.29 | 1.094 | 26.957 | 1.23 | 19.732 | 2.7 | 6.755 | 22 | 0.79 |
| 1.036 | 35.049 | 1.095 | 26.869 | 1.24 | 19.401 | 2.8 | 6.49 | 24 | 0.724 |
| 1.037 | 34.816 | 1.096 | 26.782 | 1.25 | 19.085 | 2.9 | 6.246 | 26 | 0.668 |
| 1.038 | 34.588 | 1.097 | 26.697 | 1.26 | 18.783 | 3 | 6.021 | 28 | 0.621 |
| 1.039 | 34.367 | 1.098 | 26.612 | 1.27 | 18.493 | 3.1 | 5.811 | 30 | 0.579 |
| 1.04 | 34.151 | 1.099 | 26.528 | 1.28 | 18.216 | 3.2 | 5.617 | 32 | 0.543 |
| 1.041 | 33.941 | 1.1 | 26.444 | 1.29 | 17.949 | 3.3 | 5.435 | 34 | 0.511 |
| 1.042 | 33.763 | 1.102 | 26.281 | 1.3 | 17.692 | 3.4 | 5.265 | 36 | 0.483 |
| 1.043 | 33.536 | 1.104 | 26.12 | 1.31 | 17.445 | 3.5 | 5.105 | 38 | 0.457 |
| 1.044 | 33.341 | 1.106 | 25.963 | 1.32 | 17.207 | 3.6 | 4.956 | 40 | 0.434 |
| 1.045 | 33.15 | 1.108 | 25.809 | 1.33 | 16.977 | 3.7 | 4.815 | 42 | 0.414 |
| 1.046 | 32.963 | 1.11 | 25.658 | 1.34 | 16.755 | 3.8 | 4.682 | 44 | 0.395 |
| 1.047 | 32.78 | 1.112 | 25.51 | 1.35 | 16.54 | 3.9 | 4.556 | 46 | 0.038 |
| 1.048 | 32.602 | 1.114 | 25.364 | 1.36 | 16.322 | 4 | 4.437 | 48 | 0.362 |
| 1.049 | 32.427 | 1.116 | 25.221 | 1.37 | 16.131 | 4.1 | 4.324 | 50 | 0.347 |
| 1.05 | 32.256 | 1.118 | 25.081 | 1.38 | 15.936 | 4.2 | 4.217 | 55 | 0.316 |
| 1.051 | 32.088 | 1.12 | 24.943 | 1.39 | 15.747 | 4.3 | 4.115 | 60 | 0.29 |
| 1.052 | 31.923 | 1.122 | 24.808 | 1.4 | 15.563 | 4.4 | 4.018 | 65 | 0.267 |
| 1.053 | 31.762 | 1.124 | 24.675 | 1.41 | 15.385 | 4.5 | 3.926 | 70 | 0.248 |
| 1.054 | 31.604 | 1.126 | 24.544 | 1.42 | 15.211 | 4.6 | 3.838 | 75 | 0.232 |
| 1.055 | 31.449 | 1.128 | 24.415 | 1.43 | 15.043 | 4.7 | 3.753 | 80 | 0.217 |
| 1.056 | 31.297 | 1.13 | 24.289 | 1.44 | 14.879 | 4.8 | 3.673 | 85 | 0.204 |
| 1.057 | 31.147 | 1.132 | 24.164 | 1.45 | 14.719 | 4.9 | 3.596 | 90 | 0.193 |
| 1.058 | 31 | 1.134 | 24.042 | 1.46 | 14.564 | 5 | 3.522 | 95 | 0.183 |
| 1.059 | 30.856 | 1.136 | 23.921 | 1.47 | 14.412 | 5.2 | 3.383 | 100 | 0.174 |
