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NBR 2025-26 - AY 2026-27 - Investment Rebate
Bangladesh Income Tax Calculator 2025-26
Estimate your Bangladesh personal income tax for income year 2025-26 / assessment year 2026-27 using updated NBR slabs, taxpayer categories, investment rebate, minimum tax, and AIT.
Last reviewed: May 2026. This calculator is for general planning only and is not tax advice.
Enter Tax Details
Income Year 2025-26 / AY 2026-27 - NBR slabs - Investment rebate
Taxpayer Category
Minimum tax is BDT 5,000 when taxable income exceeds the tax-free limit. Return filing deadline for AY 2026-27 is generally 30 November 2026.
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Enter your annual income above
Your tax breakdown will appear here
How to Use
- 1Choose your taxpayer category to apply the correct tax-free limit.
- 2Enter annual salary, allowances, eligible investments, and any AIT already paid.
- 3Review taxable income, slab tax, rebate, minimum tax, and payable amount.
- 4Use the result as an estimate, then verify final filing values with NBR guidance.
Example Calculation
- Annual basic salary: BDT 600,000
- House rent allowance: BDT 240,000
- Medical allowance: BDT 60,000
- Eligible investment: BDT 50,000
The calculator estimates taxable income, applies the 2025-26 slab rates, subtracts eligible rebate, and checks the BDT 5,000 minimum tax rule.
Formula Used
Taxable income is calculated after eligible allowance exemptions. Progressive NBR slabs are applied, then investment rebate is deducted using the lowest of 3% of total income, 15% of actual investment, or BDT 10 lakh. Minimum tax and AIT are then considered.
Tax Planning Tips for Bangladesh
- 1Keep salary, allowance, investment, and AIT documents ready before filing
- 2File your return by 30 November 2026 to avoid penalties and rebate-related issues
- 3Use approved investments only when claiming investment rebate
- 4Check whether your employer has already deducted Advance Income Tax
- 5Review your taxpayer category carefully because the tax-free limit changes by category
- 6Verify final rules with NBR or a tax professional before filing
Frequently Asked Questions
What are the Bangladesh income tax slabs for income year 2025-26?
For income year 2025-26 / assessment year 2026-27, the general tax-free limit is BDT 375,000. After that, the next BDT 300,000 is taxed at 10%, the next BDT 400,000 at 15%, the next BDT 500,000 at 20%, the next BDT 2,000,000 at 25%, and the remaining income at 30%.
What are the tax-free limits for different taxpayers?
The tax-free limit is BDT 375,000 for general taxpayers, BDT 425,000 for women and senior citizens aged 65 or above, BDT 500,000 for physically challenged and third-gender taxpayers, and BDT 525,000 for gazetted freedom fighters.
How does investment tax rebate work for 2025-26?
The investment rebate is the lowest of three amounts: 3% of total income, 15% of actual eligible investment, or BDT 10 lakh. Eligible investments may include approved life insurance, provident fund, and savings instruments.
What is the minimum tax in Bangladesh for AY 2026-27?
A minimum tax of BDT 5,000 applies when taxable income exceeds the relevant tax-free limit. This calculator applies the minimum tax rule before subtracting any Advance Income Tax already paid.
Can I subtract Advance Income Tax (AIT)?
Yes. Enter any Advance Income Tax already paid by your employer or deducted at source. The calculator shows estimated tax payable after subtracting AIT from your tax liability.
Is this calculator official tax advice?
No. CostNest provides an estimate for planning only. Bangladesh tax rules can change, and special income types may need professional review or confirmation from NBR.