How to Calculate Your Income Tax in the Philippines (2026)

Every payday, your payslip tells a story — and learning to read the tax part of it might be the most useful thing you do this year.

I used to just stare at the deductions section of my payslip the way you stare at a receipt you don’t remember signing. There it was: BIR withholding tax, a number that felt both random and inevitable. I knew it existed. I knew it was legal. I just had no idea how it was actually calculated — and honestly, I was a little embarrassed to ask.

It took me longer than I’d like to admit to sit down and actually figure it out. When I did, I felt that specific kind of frustration that comes from realizing something complicated is actually, once you strip away the jargon, pretty logical. The TRAIN Law — the Tax Reform for Acceleration and Inclusion Act — restructured how individual income taxes are computed in the Philippines, and the brackets it introduced have been in effect since 2023. For 2026, those same rates apply. This is not new law. It’s just law that most of us never properly learned.

So let me walk you through it the way I wish someone had walked me through it — with actual numbers, actual tables, and none of the condescension. You can also try our in-house income tax calculator.

The 2026 Income Tax Brackets Under the TRAIN Law

The Philippines uses a graduated income tax system. That means you don’t pay one flat rate on your entire income — you pay different rates on different portions of your income as it crosses certain thresholds. Think of it like a staircase: each step has its own rate, and you only pay that rate on the income that sits on that particular step.

Under the TRAIN Law (Republic Act No. 10963), as amended by RA 11534 (CREATE Act) and confirmed for individual taxpayers, the annual income tax table for 2023 onwards — which applies in 2026 — is as follows. These are based on taxable income, meaning your gross income minus your non-taxable allowances and mandatory contributions (SSS, PhilHealth, Pag-IBIG).

Table: 2026 TRAIN Law Annual Income Tax Brackets

The most important thing to notice: if your annual taxable income is ₱250,000 or below, you owe zero income tax. That’s the threshold that benefits minimum wage earners and lower-income employees most directly. Everything above that gets taxed only on the excess — not on the whole amount.

How Taxable Income Is Actually Computed

Before you can apply those brackets, you need to know what “taxable income” actually means for a rank-and-file employee. It is not simply your monthly salary multiplied by twelve. There are mandatory deductions that reduce your taxable base, and there are non-taxable benefits with their own ceilings.

Here is what typically reduces your gross compensation income before tax is applied:

Table: Non-Taxable Deductions for Employed Individuals (2026)

Note: Exact SSS and PhilHealth contribution amounts depend on your salary bracket and the most current contribution schedules released by each agency. Always verify against the latest SSS contribution table and PhilHealth circulars, as these are updated periodically.

Sample Tax Computation: Three Income Scenarios

Enough theory — here is where it gets real. Let me show you three sample employees and how their annual income tax is computed step by step. I’ll use clean, round numbers so the logic stays visible.

Table: Sample Annual Income Tax Computation (2026)

A few things worth noting here. Employee A, earning ₱20,000 a month, falls below the ₱250,000 taxable income threshold after contributions — so zero income tax. Employee B earns ₱40,000 a month but their taxable income lands in the 15% bracket, and only the portion above ₱250,000 gets taxed at that rate. Employee C, approaching ₱1 million in gross annual income, crosses into the 25% bracket — but again, only on the income above ₱800,000.

These are estimates. Your actual numbers will differ based on your exact contributions, whether you receive tax-exempt benefits, and how your employer’s payroll system handles the withholding computation.

Why Your Monthly Withholding Tax Might Look Different

Here is the part that used to confuse me most: the number on my payslip rarely matched what I calculated. There are a few reasons for this. First, employers compute withholding tax based on annualized projections — they estimate what your full-year tax will be and divide it into monthly deductions. Second, if you receive a mid-year raise, a bonus, or an adjustment, the withholding recalibrates. Third, some employers use the “annualized withholding tax” method, others use the “monthly” method — both are BIR-approved, but they produce slightly different monthly figures.

Table: Monthly vs. Annualized Withholding Tax Method

That December payslip mystery — the one where your take-home suddenly looks different — is almost always the year-end annualization adjustment. It is your employer squaring the books before the calendar closes.

A Note on Filing Your Own ITR

If you are a purely compensation earner with only one employer and your employer correctly withholds your tax, you are generally not required to file an annual Income Tax Return (ITR) — your employer files a substituted filing on your behalf using BIR Form 2316. But if you have multiple employers during the year, freelance income, or other income sources, you will need to file BIR Form 1700 or 1701 by April 15 of the following year.

Knowing how to compute your own tax means you can check your employer’s work. It means you know whether that December deduction makes sense. And when you eventually receive your BIR Form 2316 — that certificate your employer gives you — you will actually understand what it says.

I keep a simple spreadsheet now. Every January I plug in my projected annual income, subtract my contributions, apply the bracket, and get a rough sense of what I should be paying. It takes twenty minutes and it has saved me from more than one payslip surprise. Kaya mo rin ito — it is genuinely not as complicated as it looks from the outside.

The goal was never to become a tax expert. The goal was just to stop feeling like a stranger to my own payslip. If this article did that for you, even partially, then we’re both a little better off than we were before.

Disclaimer: This article is for general informational purposes only and does not constitute tax advice. Tax rules and contribution rates are subject to change. Consult a licensed tax professional or the BIR website (bir.gov.ph) for the most current guidance applicable to your specific situation.

A BantayDailyPH Income Tax Guide by Juno dela Cruz. Last updated: March 2026.