How to convert milliseconds to seconds with precision

Question

I want to convert milliseconds to seconds  for example 1500ms to 1 5s  or 500ms to 0 5s  with as much precision as possible   Double parseDouble 500   1000         500   1000   isn t the best way to do it  I m looking for a way to get the remainder from a division operation so I could simply add the remainder on

User · Answer

I had this problem too  somehow my code did not present the exact values but rounded the number in seconds to 0 0  if milliseconds was under 1 second   What helped me out is adding the decimal to the division value   double time seconds   time milliseconds   1000 0       add the decimal System out println time milliseconds                   Now this should give you the right value

User · Answer

Why don t you simply try  System out println 1500 1000 0   System out println 500 1000 0

User · Answer

Surely you just need   double seconds   milliseconds   1000 0    There s no need to manually do the two parts separately - you just need floating point arithmetic  which the use of 1000 0  as a double literal  forces   I m assuming your milliseconds value is an integer of some form    Note that as usual with double  you may not be able to represent the result exactly  Consider using BigDecimal if you want to represent 100ms as 0 1 seconds exactly   Given that it s a physical quantity  and the 100ms wouldn t be exact in the first place  a double is probably appropriate  but

[java] How to convert milliseconds to seconds with precision

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