This method will introduce a formula to extract milliseconds from time in Excel Please do as follows 1 Select a blank cell besides the first time cell, enter the formula =RIGHT(TEXT(, "hhmmss000"),3)/1000 ( is the first time cell in the list) into it, and then drag the Fill Handle down to the range as you need Now you will get the calculation results showing as time withMillisecond offers an extensive library of psychological testing paradigms for measuring and manipulating a broad range of psychological constructs All tests in our library are included FREE with your Inquisit licenseDate is just a wrapper around a long milliseconds since So you have that already DategetTime() will return that, with millisecond precision Why would you think that Date only has one second precision? Formula To Convert Milliseconds To Days Hours Minutes And Seconds Milliseconds to date