Hours:Minutes:Seconds to Seconds Converter
cross-browser testing tools
World's simplest HH:MM:SS to seconds converter for web developers and programmers. Just paste your hours:mins:secs in the form below, press Convert HMS button, and you get seconds. Press button, get seconds. No ads, nonsense or garbage.
Announcement: We just launched math tools for developers. Check it out!
Want to convert secs to h:m:s instead?
Use the Seconds to HMS tool!
Looking for more web developer tools? Try these!
Pro tip: You can use ?input=text query argument to pass text to tools.