How to Calculate Salary Tax in Sri Lanka for 2026

Lal Kumarasiri B.A |Chartered Accountant|ACA|MAAT Avatar

Introduction

One of the most searched financial questions in Sri Lanka is:

“How do I calculate my salary tax?”

With changing APIT regulations and updated tax slabs, many employees struggle to understand their actual take-home salary.

At TaxCalculator.lk, you can calculate your monthly APIT and net salary within seconds.


Step-by-Step Salary Tax Calculation

Step 1: Identify Gross Salary

Your gross salary includes:

  • Basic salary
  • Fixed allowances
  • Overtime
  • Incentives
  • Bonuses

Step 2: Calculate EPF Deductions

Employees contribute:

Example:

  • Gross salary = Rs. 300,000
  • Employee EPF = Rs. 24,000

Step 3: Determine Taxable Income

After eligible deductions, taxable income is calculated.

If taxable income exceeds:

APIT may apply.


Step 4: Apply APIT Tax Slabs

Sri Lanka uses progressive tax rates from 6% to 36%.

Higher salary levels fall into higher tax brackets.


Example Salary Tax Calculation

Example:

ItemAmount
Gross salaryRs. 350,000
EPF deductionRs. 28,000
Estimated APITDepends on slab
Net salaryRemaining balance

Why Employees Use Online Tax Calculators

Manual calculations are difficult because APIT includes:

  • Multiple slabs
  • Bonus calculations
  • EPF deductions
  • Allowance treatment

Use:

👉 Sri Lanka Salary Tax Calculator

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