# Convert Time Given in Seconds to Minute, Seconds, Milliseconds

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Soeun Lee on 5 Aug 2021
Answered: Stephen23 on 5 Aug 2021
Hi all,
I am trying to convert a time given in seconds such as 183.55s into minute, seconds, milliseconds.
For minute, I'm using: init_mn=fix(init_time/60), which gives me the correct answer.
How can I obtain the seconds and miliseconds without rounding?

Star Strider on 5 Aug 2021
This is simply a straightforward format change:
t = seconds(183.55)
t = duration
183.55 sec
t.Format = 'hh:mm:ss.SSS'
t = duration
00:03:03.550
producing the desired result.
.

KSSV on 5 Aug 2021

Chunru on 5 Aug 2021
[h, m, s] = hms(duration([0 0 183.55]))
h = 0
m = 3
s = 3.5500
% for sec and fractional sec
si = floor(s)
si = 3
sf = s-si
sf = 0.5500

Stephen23 on 5 Aug 2021
If you really need minutes (i.e. and not roll-over to hours for >59 minutes) then you can calculate this yourself, e.g.:
inp = 7654.321; % time in seconds
t_min = ceil(1000*inp);
t_ms = mod(t_min,1000) % milliseconds
t_ms = 321
t_min = fix(t_min/1000);
t_sec = mod(t_min,60) % seconds
t_sec = 34
t_min = fix(t_min/60) % minutes
t_min = 127