Convert HEX to Signed INT Javascript

Asked Dec 11 '19 at 20:28

Active Dec 11 '19 at 20:44

Viewed 527 times

I am trying to convert this HEX value fba46c58 to a signed int then take that number and divide it by 1000000. I have tried the following code but I don't seem to come up with the correct number. Overall I need the end number to equal -73.11044

Tried this code:

let testd = parseInt("fba46c58", 16)
if ((testd & 0x8000) > 0) {
    testd = testd - 0x10000;
}

// Getting: 4221856856 / 1000000 = 4221.856856
// Want to get: -73.11044

Any help would be amazing thank you!

edited Dec 11 '19 at 20:44

asked Dec 11 '19 at 20:28

gregwinn

1

https://stackoverflow.com/questions/13468474/javascript-convert-a-hex-signed-integer-to-a-javascript-value/34679269 – silverfighter Dec 11 '19 at 20:48
That's where I got the above code - however it did not solve my issue. Thus this new question. – gregwinn Dec 11 '19 at 20:52
You're looking for the signed two's compliment conversion, right? https://stackoverflow.com/questions/6146177/convert-a-signed-decimal-to-hex-encoded-with-twos-complement – Seanonymous Dec 11 '19 at 22:18
Thank you @Seanonymous - that worked for me! – gregwinn Dec 11 '19 at 23:26

Convert HEX to Signed INT Javascript

0 Answers0