Blended effective rate and your marginal bracket.
Effective tax rate
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Total tax
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Marginal bracket
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Why your real tax rate is lower than your bracket
Ask most salaried Filipinos what tax rate they pay and they will name their bracket, often 20 or 25 percent. That number is almost always wrong, and wrong in their favour. The bracket is your marginal rate, the slice that applies only to the last peso you earned. Your effective rate, what you actually surrender across the whole year, is pulled down by the part of your income that is taxed lightly or not at all. This tool reports both so you can stop confusing the two, and it does it from a single input: your annual taxable income, meaning what is left after your SSS, PhilHealth, and Pag-IBIG contributions and the exempt portion of your 13th-month pay have already been taken out.
The graduated ladder the calculator climbs
The Philippines runs a graduated income tax under the TRAIN law, administered by the Bureau of Internal Revenue (BIR). The structure is a staircase. Each peso is taxed only at the rate of the step it lands on, never your top rate across the board. The bands this calculator applies are: nothing on the first PHP 250,000, then 15 percent up to PHP 400,000, 20 percent up to PHP 800,000, 25 percent up to PHP 2,000,000, 30 percent up to PHP 8,000,000, and 35 percent above that. Treat those figures as the calculator's working assumption rather than a certified citation, because rates and bracket edges shift when Congress amends the schedule. Confirm the current bands with the BIR before you rely on them for filing.
A PHP 600,000 earner, step by step
Suppose your annual taxable income is PHP 600,000. The first PHP 250,000 is free. The next PHP 150,000, the slice from PHP 250,000 to PHP 400,000, is taxed at 15 percent, which is PHP 22,500. The final PHP 200,000, from PHP 400,000 to PHP 600,000, sits in the 20 percent band and adds PHP 40,000. Your total tax is PHP 62,500. Divide that by PHP 600,000 and your effective rate is 10.4 percent, even though your marginal bracket is 20 percent. Using the rates this calculator applies, here is the build-up.
| Slice of taxable income | Rate | Tax on the slice |
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The chart drives the point home visually, showing the split between tax paid and take-home at your chosen income.
Where people go wrong, and who should care
The most expensive mistake is fearing a raise. Filipinos sometimes hesitate to accept a bump that pushes them into a higher bracket, imagining the new rate swallows their whole salary. It does not. Only the pesos above the bracket edge are taxed at the higher rate, so a raise always leaves you with more cash, never less. A second trap is comparing your effective rate to a friend who is self-employed and elected the optional 8 percent flat tax, which is a different regime entirely and not what this graduated tool models. This calculator is built for employees and anyone on the graduated schedule who wants an honest read on their tax burden, whether to sanity-check a payslip, plan a side income, or compare offers between companies.
Is the effective rate the number I should quote when budgeting?
Yes, for income-tax planning the effective rate is the truer figure, because it tells you the actual share of your taxable income that goes to the BIR. But remember it is calculated on taxable income, not gross pay. Your contributions to SSS, PhilHealth, and Pag-IBIG come out first and are not part of this number, so your total deductions from gross will be a little higher than the effective rate alone suggests.
Does the calculator account for my 13th-month pay?
Not directly. It works from taxable income, and the 13th-month pay together with other benefits is tax-exempt up to a ceiling that this calculator treats as PHP 90,000, with any excess folded into your taxable income before you reach this tool. Enter the taxable figure your payroll computes, and confirm the current exemption ceiling with the BIR if your bonuses are large.