a' = 520 AA 65.000 Hz AA# 68.627 Hz BB 72.960 Hz C 77.298 Hz C# 81.564 Hz D 86.664 Hz D# 91.500 Hz E 97.559 Hz F 103.002 Hz F# 109.064 Hz G 115.817 Hz G# 121.926 Hz A 130.000 Hz A# 137.254 Hz B 145.920 Hz c 154.597 Hz c# 163.129 Hz d 173.329 Hz d# 183.000 Hz e 195.118 Hz f 206.005 Hz f# 218.129 Hz g 231.634 Hz g# 243.853 Hz a 260.000 Hz a# 274.507 Hz b 291.840 Hz c' 309.194 Hz c#' 326.258 Hz d' 346.658 Hz d#' 366.000 Hz e' 390.236 Hz f' 412.010 Hz f#' 436.257 Hz g' 463.267 Hz g#' 487.706 Hz a' 520.000 Hz a#' 549.015 Hz b' 583.680 Hz c'' 618.388 Hz c#'' 652.515 Hz d'' 693.315 Hz d#'' 732.001 Hz e'' 780.471 Hz f'' 824.019 Hz f#'' 872.514 Hz g'' 926.535 Hz g#'' 975.412 Hz a'' 1040.000 Hz a#'' 1098.030 Hz b'' 1167.361 Hz c''' 1236.775 Hz c#''' 1305.031 Hz d''' 1386.631 Hz d#''' 1464.001 Hz e''' 1560.942 Hz f''' 1648.039 Hz f#''' 1745.028 Hz g''' 1853.069 Hz g#''' 1950.824 Hz a''' 2080.000 Hz