Man-hours > Man-days/Man-months Calculator

Calculate man-days (MD) and man-months (MM) from man-hours (MH). Useful for project management and effort estimation.

Calculation Results

Man-days (MD):

0 MD

Formula: 160 MH ÷ 8 hours/day

Man-months (MM):

0 MM

Formula: 0 MD ÷ 20 days/month

About Effort Units:

Man-hour (MH: Man Hour): Effort of one person working for one hour
Man-day (MD: Man Day): Effort of one person working for one day
Man-month (MM: Man Month): Effort of one person working for one month

Note: Working days and hours may vary depending on the organization or contract. Generally, calculations are often based on approximately 20 working days per month and 8 hours per day, but please adjust as needed.

Example: 160 man-hours = 20 man-days = 1 man-month (for 20 working days per month, 8 hours per day)

How to Use

Enter the man-hours value you want to convert in "Man-hours (MH)".
Adjust "Working Days per Month" and "Working Hours per Day" as needed.
Man-days (MD) and man-months (MM) are automatically calculated upon input.
Click the "Reset" button to return to initial values.