Online calculator of the deadline for completing a task or project, taking into account working days and weekends.
Calculate the end date of a project or task
The due date calculator is a convenient tool for planning projects and tasks. It allows you to quickly calculate the end date of work, taking into account weekdays and weekends.
The calculator supports two calculation modes: weekdays (only weekdays, excluding weekends) and calendar days (including all days). This allows you to accurately plan the timing of work, taking into account the specifics of the project.
Let's look at practical examples of using the due date calculator:
Calculation of the completion date of a project started on January 1, 2024, lasting 10 working days
Входные данные:
Start date: January 1, 2024 (Monday)
Duration: 10 working days
Type of days: Working daysРасчёт:
Jan 1 (Mon) + 2 days = Jan 3 (Wed)
3 Jan + 5 days = 10 Jan (Wed)
10 Jan + 3 days = 15 Jan (Mon)
Taking into account weekends: January 13-14 excluded
Total: January 15, 2024 (Monday)Результат:
Result: January 15, 2024, Monday (10 working days)
Тип:
Working days
Weekends (Saturday and Sunday) are excluded from the calculation
Calculation of the end date of a project started on January 15, 2024, lasting 14 calendar days
Входные данные:
Start date: January 15, 2024 (Monday)
Duration: 14 calendar days
Type of days: Calendar daysРасчёт:
January 15 + 14 days = January 29, 2024
Including weekends: 20-21 Jan (Sat-Sun) included
Total: January 29, 2024 (Monday)Результат:
Result: January 29, 2024, Monday (14 calendar days)
Тип:
Calendar days
All days, including weekends, are taken into account in the calculation
Calculation of the end date of a project started on February 1, 2024, lasting 30 working days
Входные данные:
Start date: February 1, 2024 (Thursday)
Duration: 30 working days
Type of days: Working daysРасчёт:
30 working days ≈ 6 weeks (5 working days × 6)
Including weekends: + 12 days off
February 1 + 30 workers = March 12, 2024Результат:
Result: March 12, 2024, Tuesday (30 working days, 42 calendar days)
Тип:
Long term project
For long-term projects, the calendar duration is longer due to weekends
Calculation of the end date of a project started on February 28, 2024, lasting 5 working days
Входные данные:
Start date: February 28, 2024 (Wednesday)
Duration: 5 working days
Type of days: Working daysРасчёт:
28 Feb (Wed) + 2 days = 1 Mar (Fri)
1 Mar + 3 days = 6 Mar (Wed)
Taking into account weekends: March 2-3 (Sat-Sun) excluded
Total: March 6, 2024 (Wednesday)Результат:
Result: March 6, 2024, Wednesday (5 working days)
Тип:
Transition in a month
The calculator correctly handles crossing the month boundary
Calculate the end date of a task started on Monday February 5, 2024, lasting 3 business days
Входные данные:
Start date: February 5, 2024 (Monday)
Duration: 3 working days
Type of days: Working daysРасчёт:
5 Feb (Mon) + 1 day = 6 Feb (Tue)
6 Feb + 1 day = 7 Feb (Wed)
7 Feb + 1 day = 8 Feb (Thu)
Total: February 8, 2024 (Thursday)Результат:
Result: February 8, 2024, Thursday (3 working days)
Тип:
Short task
For short tasks, calculations are performed quickly, seven days a week
Calculation of the end date of a continuous process started on Friday February 16, 2024, lasting 7 calendar days
Входные данные:
Start date: February 16, 2024 (Friday)
Duration: 7 calendar days
Type of days: Calendar daysРасчёт:
16 Feb (Fri) + 7 days = 23 Feb 2024
Including weekends: 17-18 Feb (Sat-Sun) included
Total: February 23, 2024 (Friday)Результат:
Result: February 23, 2024, Friday (7 calendar days)
Тип:
Continuous process
Calendar days include all days of the week, including weekends
The calculator uses a simple algorithm to determine the end date:
Takes into account all working days and weekends
Support for different types of days
Instant results
Helps with project management
for projects that are carried out only on weekdays
suitable for continuous processes
build in buffer time for unforeseen circumstances
Enter the start date of the project and the number of days (working or calendar). Select the type of days and click 'Calculate'. The calculator will instantly show the end date of the project.
Yes, the calculator supports two modes: weekdays (weekdays only, Mon-Fri) and calendar days (all days including weekends). Select the required type when calculating.
Working days - weekdays only (Monday-Friday), weekends excluded. Calendar days are all days of the week, including Saturday and Sunday. The choice depends on the specifics of the project.
Yes, the calculator is great for calculating deadlines for educational projects, coursework, diplomas and other academic tasks. You can use both working days and calendar days.
The basic calculator works with dates. To indicate the exact time, use a time addition calculator or check the logic of operation in the description of the calculator.
Yes, the calculator works with any dates - both in the past and in the future. You can calculate the end date for projects that start at any time.
Specify the start date of work, enter the number of working days (usually only weekdays) and select the 'Working days' mode. The calculator will show the end date taking into account weekends.
The basic calculator only takes into account standard weekends (Saturday and Sunday). To account for holidays, use specialized calculators or add additional days to the calculation.
The calculator calculates the deadline for one task at a time. For multiple tasks, perform calculations for each separately or use the project planner.
Specify the order acceptance date as the starting date, enter the completion date (working days or calendar days depending on the conditions) and get the order readiness date.
To account for possible delays, add reserve time (buffer) to the estimated time. For example, if the deadline is 10 days, add a 2-3 day buffer to be on the safe side.
For continuous processes (production, delivery without stops), use the 'Calendar days' mode. This will take into account all days, including weekends.
The calculator works with dates without taking into account time and time zones. To accurately account for time zones, first convert dates to the same time zone.
Specify the start date of the project, enter the total duration of the project in working or calendar days (depending on the work mode) and get the exact deadline date.
Yes, the calculator is completely free and does not require registration. You can use it an unlimited number of times without any restrictions.
Yes, you can copy the result or take a screenshot of the page. Some calculators support exporting results in various formats.
Yes, the calculator is fully adapted to work on mobile devices, tablets and smartphones. The interface automatically adjusts to the screen size.
For projects with a non-standard schedule (for example, 4/2 or rotational schedule), use calendar days and manually adjust the result or use specialized calculators.
The calculator calculates the deadline for one task. For a group of tasks, use the critical path method or perform calculations for each task separately and determine the total deadline.
Calculate the duration for each stage separately, then add up the results, or use a project planner to calculate the total duration, taking into account parallel and sequential stages.
Yes, enter the departure date, enter the delivery time in working days or calendar days (depending on delivery conditions) and get the receipt date.
Use the calculator to calculate the minimum and maximum period by specifying different starting dates or different durations. This will help determine the range of possible deadlines.
The basic calculator takes into account standard weekends (Saturday and Sunday). To take into account weekends in different countries (for example, Friday-Saturday), use specialized calculators.
To account for downtime, add additional days to the estimated period or use calendar days, which automatically include all days, including possible downtime.
Yes, enter the purchase date as the start date, enter the warranty period in days (usually calendar days) and get the end date of the warranty period.
For part-time projects, convert work hours to weekdays. For example, if you work 4 hours a day instead of 8, double the number of working days to calculate.
To account for vacations, add the number of vacation days to the estimated period. Or use calendar days, which automatically include all days, including vacations.
For projects with breaks, calculate the deadline for each work period separately and add up the results, or use calendar days that include all days.
Yes, specify the rental start date as the starting date, enter the rental period in calendar days and get the rental end date.
Use the calculator to calculate each deadline separately, indicating the corresponding starting dates and durations. This will help plan all stages of the project.