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C# Convert Days to MonthsConvert figures in days to months using the average days in a month.
Convert days, months. Sometimes we may want to convert a figure in days to months. To do this, we can average the number of days in a month.
Solution info. In solving this problem we use an averaged number. The solution is not ideal for known date ranges—it just provides an estimate.
DateTime
Example. The average month has 30.44 days in it. Then, to convert an integer of days to a double of months, you can divide by this constant. We show that 200 days is equal to 6.57 months.
Int, uint
Double
using System; class Program { static void Main() { int days = 200; // Divide by this constant to convert days to months. const double daysToMonths = 30.4368499; { double months = days / daysToMonths; Console.WriteLine("{0} days = {1:0.00} months", days, months); } } }
200 days = 6.57 months
Some notes. This code converts days to months in an abstract way. It is not influenced by what months were covered. If you have a known period of days, this computation is not ideal.
However If you are just in general converting days to months, this is the best way to do it.
Also Leap years also influence the computation. Ideally the exact date range would be known, so this consideration can be applied.
Summary. We described the usage of a constant double to convert days to months. This conversion is not always useful. But it can be correctly used in a general sense.
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Sam Allen is passionate about computer languages. In the past, his work has been recommended by Apple and Microsoft and he has studied computers at a selective university in the United States.
This page was last updated on 9/3/2022 (rewrite).
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