Tax calculators

TRAIN-law rates effective 2023 onwards. All computations run in your browser — nothing is uploaded.

Income tax: 8% vs graduated

For self-employed and professionals (non-VAT). Compare the two regimes side by side.

VAT or percentage tax?

Enter annual gross sales to see which business tax applies.

OneGuide AI gives general tax information, not professional tax advice. Knowledge current as of September 2026. Verify with bir.gov.ph or a licensed CPA.