💼 Income Tax Calculator

What does this calculator do?

This calculator estimates annual income tax for the tax year and income type you select, based on a single annual taxable base you enter.

• Estimates income tax from the entered base and the selected year/income type.
• Uses the historical tariff for every year from 1957 to 2026.
• Shows the FULL tariff table for the selected year and income type — not only the bracket your amount falls into.
• Shows the tax already accumulated at the lower bound of each bracket, and that bracket’s marginal rate, separately.
• Optionally applies the annual minimum-wage income-tax exemption for 2022-onward wage income, showing tax before exemption, the exemption applied, and the final payable tax in separate rows.
• Assumes the amount you enter is already in the selected year’s own currency (old TL, YTL, or TL) and never converts between currencies.

This calculator is NOT: a monthly/cumulative payroll withholding calculator, a gross-to-net salary calculator, a tool for reconciling an annual return that combines more than one income source, or an official tax return. It provides an authority-backed approximate annual calculation for the supported year and income type you select.

What is income tax in Turkey?

Income tax in Turkey, known as Gelir Vergisi, is a direct tax on income earned by individuals under the Turkish tax system. It may relate to salary income, rental income, self-employment income, business income, investment income, and other income types.

Its most important practical feature is the progressive bracket structure under Article 103 of Law No. 193 (or the applicable earlier laws before 1980). As income increases, part of it may enter a higher bracket, but that does not normally mean the entire income is taxed at the highest rate.

For this reason, understanding taxable base, income type, tax year, and possible exemptions is essential before relying on any calculation result.

What does taxable income mean?

Taxable income is the amount on which income tax is calculated. In practical use, it is not always the same as the total money a person receives.

• Gross income may refer to income before deductions or expenses.
• Net income may refer to the amount left after certain deductions or costs.
• Taxable base is the amount used for calculating income tax.
• Declared income may be affected by income type, exemptions, and special rules.

How do income tax brackets work?

Income tax in Turkey is based on progressive (marginal) brackets. This means different parts of income are taxed at different rates depending on where they fall in the tariff.

A common mistake is to think that reaching a higher bracket means the entire income is taxed at the higher rate. In reality, only the part that falls into each bracket is taxed at that bracket’s rate.

• The first part of the taxable base is taxed at the first bracket rate.
• The next part is taxed at the next bracket rate.
• Higher parts are taxed according to later brackets.
• The final tax is the sum of tax calculated for all applicable brackets.

The calculator’s result table shows three pieces of information per row: the bracket’s base range, the tax already accumulated at that bracket’s LOWER bound (the total tax from every earlier bracket), and the marginal rate for that bracket. It then applies only that marginal rate to the part of your base above the lower bound — you never have to add up every bracket yourself.

A statutory whole-base rule in some historical years

The progressive logic above is the general rule, but for part of the historical period this calculator covers, the law works differently: once the base reaches a set threshold, the ENTIRE base — not just the part above the threshold — is taxed at a single rate. This is a statutory whole-base override.

• 1957–1961: at 300,000 old TL and above, 50% applies to the entire base.
• 1962 non-wage income: at 500,000 old TL and above, 60% applies to the entire base.
• 1963–1980: at 1,000,000 old TL and above, 60% applies to the entire base.

For these three periods, the result table’s last ordinary bracket stops strictly BELOW the threshold (for example, for 1957: "Above 175,000 – below 300,000"); a separate, visually distinct row then shows the override itself at and above the threshold ("300,000 and above (entire base) → 50%"). This split is deliberate: a base exactly equal to the threshold is taxed at the override’s rate, not the ordinary bracket’s rate, so the threshold value never appears to belong to both rows.

Why is 1962 wage income handled differently?

1962 is a special year in which wage taxation changed mid-year: from 1 January to 28 February 1962 the former Law 5421/6908 rules applied, and from 1 March to 31 December 1962 the new Law 193 rules applied (43 Series GVK Communiqué).

This calculator only takes ONE annual tax base; it does not know how a wage was distributed between those two periods during the year. Without that information, there is no way to produce one reliable, legally defensible annual tax figure for a year in which two different laws applied.

For this reason, selecting 1962 with wage income does not show a numeric tax amount or a single unified annual tariff table — it shows an explanatory notice instead.

How is income tax calculated?

The calculation begins by identifying the taxable base, then splitting it across the brackets that apply for the selected tax year and income type.

1. Determine the correct taxable base.
2. Select the tax year and income type (wage / non-wage) — together they decide the applicable tariff.
3. Split the base across that year and income type’s brackets (or apply the whole-base override where one exists).
4. Apply each bracket’s marginal rate and add the resulting tax amounts.
5. If wage income for an eligible year has the minimum-wage exemption selected, subtract the annual maximum offset from the tax before exemption.

This calculator helps explain the authority-backed tariff logic. An official return may be affected by additional factors depending on income type and personal circumstances.

Simple calculation example

For example, selecting 2026 and wage income with a base of 1,000,000 TL, the calculator first shows the full 2026 wage tariff: up to 190,000 TL at 15%, above 190,000 through 400,000 TL at 20% (28,500 TL already accumulated at the 190,000 lower bound), above 400,000 through 1,500,000 TL at 27% (70,500 TL already accumulated at the 400,000 lower bound), and so on.

Because the 1,000,000 TL base is above the 400,000 TL lower bound, the tax before exemption is 232,500 TL (70,500 TL accumulated at 400,000 plus 27% of the remaining 600,000 TL). If the minimum-wage exemption is selected, the 2026 annual maximum offset of 57,881.20 TL is subtracted, giving a final payable tax of 174,618.80 TL.

How to use the income tax calculator

To use the calculator, follow these steps:

• Select the tax year (1957–2026).
• Select the income type: Wage income or Non-wage income.
• Enter the taxable income/base in that year’s own currency.
• If it is wage income for an eligible year, optionally check the minimum-wage income-tax exemption box.
• Click the calculate button.
• In the result, review the income type/year used, the full tariff table, the entered tax base, (where applicable) the tax before exemption and the exemption applied, the payable tax, net income, and effective rate.
• Compare the result with current GİB sources or consult an accountant for official use.

If you select 1962 with wage income, you will see an explanatory message instead of a numeric result, for the reason explained above — this is expected behavior.

How do wage and non-wage income differ across years?

The income-type selection matters in this calculator because the law sets a different tariff structure for wage and non-wage income in some years. Concrete examples:

• 2005: non-wage brackets use 20/25/30/35/40%, while the same bracket amounts for wage income use rates five points lower — 15/20/25/30/35%.
• 2019: non-wage income has four thresholds and five brackets (topping out at 40%), while wage income has only three thresholds and four brackets (topping out at 35%) — the two tariffs have a different number of brackets.
• 2026: wage and non-wage tariffs share the same first two brackets and rates, but the third threshold is 1,500,000 TL for wage income versus 1,000,000 TL for non-wage income.

Because of these differences, the same base can produce a different tax amount depending on the income type selected. The calculator automatically uses the correct (wage or non-wage) tariff for the selected year and shows the full tariff in the result table.

How does the minimum-wage income tax exemption work?

This calculator’s minimum-wage exemption model works as follows:

• Available only when wage income is selected; it does not appear or apply for non-wage income.
• Available only for years the current dataset defines the exemption for (currently 2022 onward); it does not appear for earlier years.
• Optional: it must be selected via a checkbox, it is never applied automatically.
• A fixed "annual maximum offset" model per year; it does not accumulate month by month as in a payroll system.
• The offset is subtracted from the tax before exemption; the result can never go negative — if it would, the final tax is shown as zero.

When the exemption is selected and eligible, the calculation chain is shown explicitly in three separate rows: tax before exemption, the exemption amount applied, and the final payable tax. These three rows do not appear at all when the exemption is not eligible or not selected — there is no zero-valued "exemption applied" row.

Historical currency: old TL, YTL, and TL

The name and scale of the Turkish currency has changed over time. This calculator always uses the selected year’s own currency and never automatically converts amounts:

• 2004 and earlier: amounts are in old Turkish lira. Because of inflation, older figures can look very large by today’s standards — this is expected and reflects the old lira’s scale.
• 2005–2008: amounts are in New Turkish Lira (YTL).
• 2009 onward: amounts are in today’s Turkish lira (TL, ₺).

You must enter the base in the selected year’s own currency. Every amount in the result is labeled with that year’s currency (e.g. "old TL", "YTL", or ₺); the modern ₺ symbol only appears for 2009 onward.

How to read the result

The result is designed to show the whole calculation, not just one tax figure. The fields you will see:

• Income type used and year: confirms the income type and tax year you selected.
• Full tariff table: EVERY base range for the selected year and income type, with the tax accumulated at the lower bound of each range and that range’s marginal rate.
• Tax base: the amount you entered, shown again in the selected year’s currency.
• Tax before exemption and exemption applied: shown only when the minimum-wage exemption is eligible and selected.
• Payable income tax: the final amount after any exemption, or the calculated amount directly if there is no exemption.
• Income after tax: the base minus the payable tax.
• Effective tax rate: the payable tax divided by the base (see the next section).
• A short note: reminding you that the calculation is approximate and does not replace an official tax return.

When 1962 with wage income is selected, these fields are replaced by the transition explanation and sources described above.

Marginal rate vs. effective rate

The result shows both marginal rates and the effective tax rate; these mean different things.

• The marginal rate is the rate applied ONLY to the part of the base that falls within a given bracket — not the whole base.
• The effective rate is the final calculated tax divided by the entered base, and reflects the combined average effect of every bracket.

Because of this, even if your base reaches the top bracket, your effective rate is always lower than that bracket’s marginal rate — the lower parts of your base were taxed at lower rates. In the historical years where the whole-base override applies, the marginal and effective rate converge for a base at or above the threshold, because a single rate applies to the entire base.

When do you need an income tax calculation?

Income tax calculation may be useful in several situations:

• Estimating annual tax burden.
• Understanding which income tax bracket applies.
• Seeing an estimated tax figure for a past year.
• Seeing how much the minimum-wage exemption reduces the calculated tax.
• Preparing a preliminary check before filing.
• Comparing different year or income-type scenarios.

The calculator provides an initial estimate, but it does not replace official filing or professional tax advice.

Common mistakes in income tax calculation

Common mistakes include:

• Multiplying the entire income by the highest bracket rate reached.
• Confusing gross income, net income, and taxable base.
• Mistaking an old-TL or YTL amount from a past year for a modern TL amount.
• Assuming progressive-bracket logic continues in the historical years where the whole-base override applies.
• Ignoring the different tariff structures by income type, especially in years like 2005 and 2019.
• Assuming the minimum-wage exemption is identical to the monthly payroll exemption.
• Treating the calculator result as an official tax return result.

These mistakes can create significant differences between an estimate and the official result, especially when comparing historical years.

Scope and limitations

This calculator applies authority-backed annual tariff logic to a single entered base. The following are OUTSIDE its scope:

• Monthly/cumulative payroll withholding calculation (for example, 1998 uses only the annual Article 103 tariff; the separate withholding tariff for wages after 1 July 1998 is not included).
• Allocating the minimum-wage exemption on a partial-year (start/end of employment) basis.
• Reconciling an annual return that combines more than one income source (e.g. wage plus rental income).
• The 1991–1993 special regional wage tariffs for workers in development-priority regions, which require additional geographic/work eligibility facts; this calculator applies only the general Article 103 wage tariff.
• Producing a numeric result for 1962 wage income from a single annual base — the explanatory notice above is shown instead.
• Rounding rules specific to an official return/assessment; the calculator does not claim a rounding rule that has not been separately verified from an official source.

Why is income tax important?

Income tax affects annual financial planning for individuals, especially when there is additional income, rental income, self-employment income, or more than one income source. Understanding brackets helps estimate the tax burden more realistically.

An approximate calculation can also help users understand the effect of additional income during the year and whether it may affect the tax bracket or filing requirements.

Related calculators

You may also find these tools useful with the income tax calculator:

• Rental Income Tax Calculator: for estimating tax on rental income.
• Rental Withholding Calculator: for calculating withholding on rent payments.
• Corporate Tax Calculator: for estimating tax on company profits.
• Stamp Duty Calculator: for calculating stamp duty on contracts and documents.