海水比重与盐度换算表比重盐度（‰)比重盐度（‰）比重盐度(‰)1001521.014118.44102393100162.031.015219.891024431.9810022561.01620.97102532.7410033871.017122.411.025433.261.0045.171018223.86102634.0410056.491.018524026534.71.0067019525.481.027135.3510079.1110226.21.02836008110421.021127.651.02853700911.731.021528.191029370112851.022229.091.029538011515022929030539.91013171023530.721.0315412在不同温度下，海水比重与盐度的计算公式： 水温高于17.5度时: S（％1305(比重—1）+（t—175）＊03 水温低于175度时： S（%1305（比重-1）-（17.5-t）＊0.2。