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Studies & students

Attendance rate calculator

Attendance rate calculator: Attendance and absence must use the same unit.

Your result

Complete the fields and calculate.

Calculation method and formula

Attended hours / sessions ÷ Total hours / sessions × 100

Understand the inputs

Attended hours / sessions
Minimum 0. Use a measured value or your own assumption.
Total hours / sessions
Minimum 0.01. Use a measured value or your own assumption.

Assumptions and limitations

Attendance and absence must use the same unit. The tool does not know your institution's excused-absence rules, exemptions or rounding requirements.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

Worked example

Illustrative values. Replace them with your own inputs for your calculation.

Attended hours / sessions
42
Total hours / sessions
48
Example result87.5 %

The result was calculated directly from your inputs.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Attendance rate calculator work?+

Attended hours / sessions ÷ Total hours / sessions × 100. Attendance and absence must use the same unit. The tool does not know your institution's excused-absence rules, exemptions or rounding requirements.

What assumptions should I consider for this result?+

Attendance and absence must use the same unit. The tool does not know your institution's excused-absence rules, exemptions or rounding requirements. The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

How accurate is the result?+

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Prices, measurements and model assumptions determine how well the result represents your situation.

Is this calculator free?+

Yes. Calculations and PDF export work without an account or registration.

What happens to my inputs?+

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.

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