Effort Calculation from Rate

Calculate required effort (man-months, man-days, man-hours) from developer rates and project costs. Useful for project planning and estimate reviews.

Calculation Results

Required Effort (Man-months):

0 MM

1,500,000 ÷ 2,000,000

Required Effort (Man-days):

0 MD

0.00 MM × 20 days/month

Required Effort (Man-hours):

0 MH

0.0 MD × 8 hours/day

Rate Details

Man-day Rate:

0 JPY/day

2,000,000 ÷ 20 days

Man-hour Rate:

0 JPY/hour

0 ÷ 8 hours

About This Tool:

Reverse Calculation: Calculate required effort from project cost
Effort Units: Displayed in man-months (MM), man-days (MD), man-hours (MH)
Rate Details: Shows man-day and man-hour rates simultaneously
Customizable: Adjustable working days and hours

Example: For a developer with a rate of 2 million yen on a 1.5 million yen project, 0.75 man-months (15 man-days, 120 man-hours) of effort would be calculated as required.

How to Use

Enter the developer's monthly rate in "Man-month Rate".
Enter the budget or estimate amount in "Project Cost".
Adjust "Working Days per Month" and "Working Hours per Day" as needed.
The required effort (man-months, man-days, man-hours) is automatically calculated upon input.
Click the "Reset" button to return to initial values.