As promised, semi-monthly BIR Withholding Tax Calculator is already available. You can check the new calculator by clicking here.
In coming weeks, auto calculation of SSS, Pag-ibig and Philhealth will be included. Further development is still going on so please check for updates regularly.
Before the end of April 2009, BIR Withholding Tax Computation Tool will include BIR tax table and other tables like SSS, Pagibig & Philhealth . A manual on how to solve your tax might be included as well. Feel free to post your questions that has to do with your BIR withholding tax calculation on this blog post by posting a comment.
BIR Withholding Tax Computation Tool Beta is already functional. It is only limited to calculate monthly taxes but SSS, Pag-ibig & Philhealth are not yet automatically calculated. Click here to go to the free tool and try it for yourself. Development is still going on so expect changes in weeks to come.