Free BIR Tax Calculators & Compliance Tools

FREE BIR TOOLS • PHILIPPINES

Understand Your BIR Situation Before You Take the Next Step

Use our free Philippine tax calculators and compliance checkers to estimate possible BIR penalties, assess open-case risk, and understand tax residency questions.

Calculate BIR Penalties → Check Open Case Risk →
✓ Free to use ✓ No account required ✓ CPA-led resource
CHOOSE YOUR TOOL

What do you need help with?

BIR Penalty Calculator Estimate possible surcharge, interest, and other late-filing costs.
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BIR Open Case Risk Checker Check whether your filing history may indicate possible open-case risk.
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Philippines Tax Residency Checker Get a preliminary view of Philippine tax residency considerations.
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Not sure which tool you need? Tell us about your BIR concern and start with a case review.
Get Tax Help →
CHOOSE THE RIGHT BIR TOOL

Start With the Tool That Matches Your Situation

Each BIRTaxHelp tool is designed for a different type of Philippine tax concern. Choose the one that best matches what you are trying to understand before deciding whether you need professional help.

01
LATE FILING & PAYMENT

BIR Penalty Calculator

Use this calculator if you missed a BIR filing or payment deadline and want to estimate the possible penalty before taking the next step.

✓ Estimate possible surcharge ✓ Estimate interest on unpaid tax ✓ Review possible compromise penalty treatment ✓ See how filing dates affect the estimate
Use the BIR Penalty Calculator →
02
POSSIBLE OPEN CASES

BIR Open Case Risk Checker

Use this checker if you are worried about missed returns, inactive registrations, unresolved filing obligations, or possible open cases with the BIR.

✓ Review common open-case risk factors ✓ Check missed filing indicators ✓ Identify areas that may need further review ✓ Get practical next-step guidance
Check Your Open Case Risk →
03
EXPATS & FOREIGN RESIDENTS

Philippines Tax Residency Checker

Use this checker if you are an expat, foreign resident, digital nomad, or foreign business owner trying to understand whether Philippine tax residency rules may affect you.

✓ Review your stay in the Philippines ✓ Consider possible tax residency factors ✓ Identify when treaty review may be relevant ✓ Understand when professional review may help
Check Tax Residency →
STILL NOT SURE?

Your BIR Situation May Need a Closer Look

If your concern involves multiple missed filings, unclear registration status, possible open cases, or a situation that does not fit neatly into one tool, tell us what is happening and we can review the next step.

Get Tax Help →