Working Days Calculator
Use clearly labeled inputs and visible assumptions to estimate working days and paid hours between two dates from weekends, holidays, and leave.
Verify this calculatorMaintained
See what the result uses—and what it cannot know.
Sumvoro calculates deterministically from the visible inputs. It does not invent lender terms, local rules, market values, medical facts, or professional judgments.
- 1 · InputsCheck every entered value against the latest statement, quote, measurement, or official source.
- 2 · Formula
Weekdays are counted inclusively, then entered holidays and leave days are subtracted. - 3 · SensitivityUse Insights to run a lower and higher case. If the conclusion changes easily, collect better information or leave more margin.
- 4 · ScopeThis tool is maintained and covered by automated calculation tests. Provider timing, rounding, and omitted facts can still change a real-world result.
- Formula release
- 2026.10-r4
- Release date
- October 10, 2026
- Review status
- Maintained
- Source review
- September 12, 2026
Optional readingLearn how this calculator works
How the working days calculator works
Estimate working days and paid hours between two dates from weekends, holidays, and leave.
Weekdays are counted inclusively, then entered holidays and leave days are subtracted.
Read our calculation methodology and limitations.
Example
Start with the guided example, then replace each value with your own measurements, dates, schedule, price, or plan.
What affects the result
- Enter only holidays that fall on weekdays.
- Local calendars and schedules differ.
- The range is counted inclusively.
Frequently asked questions
What should I enter?
Each field explains the measurement, date component, unit, or cost expected. Keep units consistent and use current information.
Is this an exact quote?
No. It is a planning estimate based only on your entries; verify actual prices, dates, terms, and requirements.