Sri Lanka Income Tax Calculator

2025/2026 Tax Year - Official Rates
Latest 2025 Tax Rates
Official IRD Compliant
Instant Calculations

Tax Type Selection

Select the appropriate calculation method

Income Type

Select the appropriate tax calculation method

Income Details

Enter your salary information

Monthly Salary

​

රු

Annual Salary

​

LKR

Official Tax Rate Amendment (Effective April 1, 2025)

The Inland Revenue Department has officially confirmed tax rates effective from April 1, 2025 through the Amendment Act No. 02 of 2025 released on March 20, 2025.

New Tax-Free Threshold: Up to Rs. 150,000.00 monthly (Rs. 1,800,000 annually)

New Income Tax Rates for Individuals:

Rs. 0 - Rs. 150,000.00

0%

Rs. 150,000.01 - Rs. 233,333.33

6%

Rs. 233,333.34 - Rs. 291,666.67

18%

Rs. 291,666.68 - Rs. 333,333.33

24%

Rs. 333,333.34 - Rs. 375,000.00

30%

Above Rs. 375,000.00

36%

(Annual equivalents: Rs. 0-1,800,000: 0%, Rs. 1,800,001-2,800,000: 6%, Rs. 2,800,001-3,500,000: 18%, Rs. 3,500,001-4,000,000: 24%, Rs. 4,000,001-4,500,000: 30%, Above Rs. 4,500,000: 36%)

This calculator compares the previous tax structure with the official new tax rates to help you understand how the changes will affect your monthly tax liability.

Reference: Inland Revenue Amendment Act No. 02 of 2025 (March 20, 2025)

Additional Income Sources

Add any additional taxable income sources to get a more accurate tax calculation

රු

Annual amount

%

Tax rate (0-100%)

Common examples:

Annual Bonus - 10%
Rental Income - 24%
Dividends - 14%
Freelance Income - 24%