đĢ Attendance Calculator
Calculate current attendance, classes you can still miss, classes to attend to reach target instantly from classes attended, total classes held, required attendance %.
How to use the Attendance Calculator
- Enter Classes attended, Total classes held, Required attendance %.
- The result updates instantly as you type.
- Copy or note down your result.
How it works
Formulas: Current attendance = [Classes attended]/[Total classes held]*100; Classes you can still miss = max(0,floor([Classes attended]*100/[Required attendance %]-[Total classes held])); Classes to attend to reach target = max(0,ceil(([Required attendance %]*[Total classes held]/100-[Classes attended])/(1-[Required attendance %]/100))).
Example
Using the default values (Classes attended: 60, Total classes held: 70, Required attendance %: 75):
FAQ
Is the Attendance Calculator free to use?
Yes. It is free, needs no signup and has no usage limits.
Is my data safe?
Yes. Everything is calculated in your browser, so what you type or upload is never sent to a server.
Can I use it on my phone?
Yes. KsWebProduction is built mobile-first and works in any modern browser.