Bangladesh income tax, with the source printed on every figure
Most tax calculators just give you a number. TaxHisab gives you the number and its paperwork: every threshold, slab and rebate below is stamped with the Finance Act it comes from — both current income years, every taxpayer category, and an honest explanation of why the other calculators disagree with each other.
The short answer for the return now being filed (income year 2025-26 · assessment year 2026-27): the tax-free limit is ৳4,00,000 for a general taxpayer under the Finance Act 2026, tax starts at 10% above it, the investment rebate is the lowest of 3% of income, 10% of investment and ৳7,50,000, and the minimum tax is a flat ৳5,000. File by 31 December 2026 and no additional tax applies.
Open the income tax calculator
Calculators
Income Tax Calculator
The full calculation: salary exemption, slab-by-slab tax, the three-limit rebate, minimum tax, surcharge and TDS credit.
Salary Tax Calculator
Monthly salary in, the year’s tax and its monthly equivalent out — the one-third exemption applied for you.
Investment Rebate Calculator
All three rebate limits live, the binding one named — and the point where investing more saves nothing.
Tax-Free Limit Checker
Your exact tax-free limit by category, on the current and previous year’s rules.
Wealth Surcharge Calculator
The 10–35% surcharge on your tax: the ৳4 crore line, the bands, and the two-car trigger.
Three numbers are circulating for the same return — only one is law
৳3,50,000 was last year's limit (assessment year 2025-26). ৳3,75,000 was the Finance Bill's proposal for this year. ৳4,00,000 is what Parliament actually enacted in the Finance Act 2026. Calculators running either of the first two will give you a confident, wrong answer. Read the full story, with sources →
Rates & sources
Tax Slabs 2026-27 & 2027-28 (Finance Act 2026)
The enacted table in full: thresholds by category, every band, the rebate, the minimum tax — cited and dated.
Tax Slabs 2025-26 (Previous Year)
Last year’s card, kept for late filers and for anyone comparing the two years honestly.
Methodology — Every Figure & Its Source
Every figure on this site, its instrument and section, and the date it was last verified.
Guides
Why Bangladesh Tax Calculators Disagree
Last year vs the Bill vs the Act — and the same story for the rebate and the minimum tax.
The Investment Rebate, Explained
Section 78’s three limits, worked with examples until the binding one is obvious.
Minimum Tax ৳5,000 — Who Pays It
Who pays the flat ৳5,000, when ৳1,000 applies instead, and why where you live stopped mattering.
Filing Dates & Additional Tax
The new filing calendar: the 31 December line, the quarterly additional tax, the early rebate.
Salary Tax in Bangladesh
The one-third exemption, worked by hand, plus what employer TDS should look like.
Wealth Surcharge, Explained
The bands, the two triggers, and a fully worked ৳11,10,000 example.
Bangladesh tax questions
What is the tax-free limit in Bangladesh for 2026-27?
৳4,00,000 for a general taxpayer under the Finance Act 2026 — ৳4,50,000 for women and taxpayers aged 65 or over, ৳5,25,000 for persons with disabilities and third-gender taxpayers, and ৳5,50,000 for war-wounded gazetted freedom fighters and gazetted July fighters. The same limits are fixed for assessment year 2027-28.
Why do other calculators say ৳3,75,000?
Because that was the figure in the Finance Bill as proposed. Parliament raised it to ৳4,00,000 before the Finance Act 2026 was enacted on 30 June 2026. Sites still showing ৳3,75,000 are running a proposal, not the law — and sites showing ৳3,50,000 are showing last year. Our guide walks through all three numbers with their sources.
Is there still a 30 November filing deadline?
No. The Finance Act 2026 abolished the single Tax Day for individuals. You may file all year: by 31 December 2026 with no additional tax, then additional tax of 2% (minimum ৳3,000) from January to March 2027 and 5% (minimum ৳5,000) from April to June 2027.
Do I need an account, and is my income data sent anywhere?
No account, and nothing is sent anywhere. Every calculation runs in your own browser; the figures you type never leave the page. Filing itself happens on the official e-Return portal, etaxnbr.gov.bd — TaxHisab prepares the estimate, it does not file.