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How to convert months, days and seconds

By Mary Smith. Updated: January 16, 2017
How to convert months, days and seconds

The capacity to calculate and convert time units, is a useful and practical skill. For example, you can calculate your monthly income, if you know your daily wage, or you can measure productivity by calculating how many times a day or a month a task is performed. You can also convert a large number of seconds in days and months to get a clearer picture of a period of time. You only need strong dividing and multiplying skills, as well as accurate manual calculation skills.

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Steps to follow:
1

Multiply the number of days by 86.400 to calculate the equivalent in seconds; for months, multiply by 2.592.000, for example:

  • If you want to calculate how many seconds are 4 days, you need to do the following operation: 4 * 86.400 = 345.600 seconds
  • If you want to know the number of seconds there are in 3 months you need to: 3 * 2.592.00 = 7.776.000 seconds
2

Divide a large number of seconds by 86.400 to find its equivalent in days and by 2.592.000 for its approximate equivalent in months, for example:

  • 300.000 seconds are equivalent to approximately 3.47 days (300.000/86.400 = 3.47 days). The value of 3.47 in days is synonymous to approximately 3 1/2 or 2 days and 12 hours.
  • 3.000.000 seconds are equivalent to 1,16 months (3.000.000/2.592.000 = 1.16 months). The value of 1,16 months is 1 +(16/100) 30 or approximately 1 month & 5 days.
3

Add the exact number of days for the chosen months. As the number of days in a certain month vary, multiplying the number of months by a specific number will not give exact results.

4

Divide the number of days by 30.44 to convert them into months, as there are months with different number of days and the average is 30.44, for example:

90 days would be 3 months, or approximately 2,95 months. Again, this is not a totally accurate result, as the number of days in a month varies, but it's quite a reliable calculation.

If you want to read similar articles to How to convert months, days and seconds, we recommend you visit our Learning category.

Tips
  • You can use online calculators, such as the one offered by Unit-Conversion (unit-conversion.info) to accurately calculate seconds, days and months. Remeber you need to follow step 2 to know what the decimal numbers mean.
  • Apart from converting days and months easily, you can also jump to minutes, first,and then to hours with a simple multiplication. For example,360.000 seconds are 6.000 minutes, or 100 hours, therefore, approximately 4,2 days.

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How to convert months, days and seconds
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