As per Sri Lanka Budget 2017-2018 Income tax rates are as under:
| Taxable Income (LKR) | Tax Rate |
| Upto 1,200,000 | Nil |
| Next LKR 600,000 | 4% |
| Next LKR 600,000 | 8% |
| Next LKR 600,000 | 12% |
| Next LKR 600,000 | 16% |
| Next LKR 600,000 | 20% |
| Remaining amount | 24% |
Note: Tax Free Allowance
LKR 500,000 for all source of Income
Additional Tax Relief LKR 700,000 for employees only
| Taxable Income (Rs) | Tax Rate |
| First LKR 600,000 | 4% |
| Next LKR 600,000 | 8% |
| Next LKR 600,000 | 12% |
| Next LKR 600,000 | 16% |
| Next LKR 600,000 | 20% |
| Remaining amount | 24% |
| Description | Total Tax |
| Capital Gain exceeding LKR 50,000 | 10% |
Assets under Capital Gain Tax
- Land or buildings
- a membership interest in a company, partnership or trust
- a security or other financial asset
- an option, right or other interest in an asset referred to above
Excluded assets from Capital Gain Tax
Trading Stock and depreciable assets are specifically excluded from Capital Gain Tax
| Particulars | Tax Rate |
| Small and medium enterprises | 14% |
| Export houses | 14% |
| Agricultural Business | 14% |
| Education Services | 14% |
| Tourism Companies | 14% |
| Information Technology Companies | 14% |
| Betting, Gambling, Liquor and tobacco business | 40% |
| Companies other than taxable @14% or 40% | 28% |
| On Dividend Distributed | 14% |
| Remittances of Profit | 14% |