Education guide
How to calculate attendance percentage and plan missed days
This page helps you work out attendance percentage so you can see how many days you can miss before the target starts to slip.
Education toolAttendance summary
Attendance Calculator
Use this page to keep track of attendance against a target so absences do not become a surprise. Attendance percentage is usually calculated as attended days divided by total days, then multiplied by 100.
Updated: April 29, 2026
Looking for a related estimate? Try Reading Time Calculator or School Year Countdown.
What you will get
Clear input, result, and explanation in one place
Attendance summary
The result shows your current attendance and how many more days you need to reach the target.
Use the result as a planning guide rather than a policy decision. Results are estimates based on the values you enter and should be used as a planning guide.
Formula
Attendance formula in plain language
Attendance percentage is attended days divided by total days times 100. That makes it easier to compare your current attendance with a target.
Calculator
Enter your values and review the result
Inputs
Live updatesAttendance planning panel
Enter days attended, total days, and a target attendance rate to see the gap.
Use the result as a planning guide rather than a policy decision. Results are estimates based on the values you enter and should be used as a planning guide.
Result
Attendance summary
The result shows your current attendance and how many more days you need to reach the target.
Current estimate
91.1% attendance
0 more days needed to reach the 90% target.
Supporting details
- Days attended: 82
- Days remaining: 8
- Maximum extra absences before target slips: 8
Example
Example calculation
If you attended 82 days out of 90, your attendance percentage is about 91.1%. If your target is 95%, the page shows how many more days you need to reach it.
Interpretation
What the result means
A higher percentage usually means you are closer to the target, but schools may set different rules for acceptable attendance or allowed absences.
Next step
What to do next
If you are close to the limit, compare the result with the school year countdown and use the percentage calculator if you want to check the formula separately.
Common questions
Update the total and the calculator will recalculate the attendance percentage and target gap.
No. It is a general planning tool that can work with any day count and attendance target.
That depends on the school target and the number of days already attended, so the page is best used as a planning estimate.
Divide attended days by total days, then multiply by 100.
Helpful guide
How to choose the right school planning tool
A practical guide to school-age planning, study timing, and attendance tools for families and students.
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