Primary Employment Tax (APIT) Calculator
Calculate monthly Advance Personal Income Tax (APIT) deductions for regular primary employment income in Sri Lanka. Our APIT calculator uses the official Tax Table No. 01 to determine the exact tax amount that employers must compulsorily deduct from employee salaries. Input your monthly regular profits from employment to see your tax liability based on current Sri Lankan tax slabs and rates.
Monthly Regular Profits from Primary Employment
Enter your total monthly regular profits from employment including salary, allowances, and benefits. This calculator applies Tax Table No. 01 for resident employees with primary employment.
About This Tool
Learn more about this financial tool.
About Primary Employment APIT Calculator - Sri Lankan Tax Compliance Made Simple
Understanding your monthly tax obligations shouldn't require a degree in accounting. Our Primary Employment APIT Calculator uses the official Tax Table No. 01 from Sri Lankan tax regulations to calculate exactly how much Advance Personal Income Tax (APIT) your employer must deduct from your regular monthly salary.
This isn't just another tax calculator โ it's built specifically for Sri Lankan employees who receive regular profits from their primary employment. Whether you're planning your budget, negotiating a salary, or simply want to understand your take-home pay, this tool gives you accurate, instant calculations based on current tax laws.
What is APIT and Why Does It Matter?
Advance Personal Income Tax (APIT) is exactly what it sounds like โ it's paying your income tax in advance, month by month, rather than in one lump sum at the end of the year. Think of it as a pay-as-you-earn system that keeps you current with your tax obligations.
Here's why APIT matters for every working Sri Lankan:
Cash Flow Management: Instead of scrambling to find money for a massive tax bill in April, APIT spreads your tax burden across 12 months. This makes budgeting predictable and manageable.
Legal Compliance: For employees earning above Rs. 150,000 per month, APIT deduction is compulsory. Your employer must deduct this tax whether you like it or not โ it's the law.
Avoid Penalties: Proper APIT deductions help ensure you don't face underpayment penalties when filing your annual tax return.
The beauty of our calculator is that it removes all guesswork. You input your monthly income, and it tells you exactly what your employer should be deducting.
How the APIT Calculator Works
Our calculator implements the official Tax Table No. 01: Monthly Tax Deductions from Regular Profits from Primary Employment. This isn't some generic tax calculator โ it's specifically designed for Sri Lankan tax law.
Who Can Use This Calculator
The calculator is designed for employees who meet these criteria:
- Resident employees or non-resident employees who are citizens of Sri Lanka
- Employees who have submitted a primary declaration to their employer or have only one employment
- Receiving regular monthly profits from employment (not lump-sum payments)
What Counts as "Regular Profits from Employment"
Your monthly taxable income (what we call "P" in the calculator) includes:
Cash Payments:
- Your basic salary and wages
- Commission and overtime payments
- Travel allowances and fees
- Any pension payments
- Other similar allowances received during the month
Non-Cash Benefits (at fair market value):
- Company-provided housing
- Vehicle allowances or company cars
- Electricity and telephone bill payments
- Entertainment allowances
- Any other benefits you or your family receive
Medical Payments:
- Medical bill payments and insurance premiums
- Exception: Medical benefits available to all full-time employees on equal terms are excluded
Third-Party Payments:
- Any payments made to others for your benefit or your family's benefit
The Relief Factor
Here's something important: the tax table already accounts for the personal relief of Rs. 150,000 per month. This means if you earn Rs. 150,000 or less monthly, you pay zero tax. The calculator automatically handles this relief โ you don't need to worry about deducting it yourself.
Tax Table No. 01 - Official Reference
For complete transparency and verification purposes, here's the official Tax Table No. 01 used by our calculator:
Slab | Monthly Income Range (LKR) | Tax Rate | Formula | Description |
---|---|---|---|---|
1 | โค 150,000 | 0% | T = 0 | Relief from Tax |
2 | 150,001 - 233,333 | 6% | T = (P ร 6%) - 9,000 | 6% with Rs. 9,000 adjustment |
3 | 233,334 - 275,000 | 18% | T = (P ร 18%) - 37,000 | 18% with Rs. 37,000 adjustment |
4 | 275,001 - 316,667 | 24% | T = (P ร 24%) - 53,500 | 24% with Rs. 53,500 adjustment |
5 | 316,668 - 358,333 | 30% | T = (P ร 30%) - 72,500 | 30% with Rs. 72,500 adjustment |
6 | > 358,333 | 36% | T = (P ร 36%) - 94,000 | 36% with Rs. 94,000 adjustment |
Legend:
- P = Monthly Regular Profits from Primary Employment
- T = Monthly Tax Deductible Amount (APIT)
Understanding the Tax Slabs
Sri Lanka uses a progressive tax system with six distinct slabs. Here's how your tax is calculated:
Slab 1: Rs. 0 - Rs. 150,000
Tax Rate: 0% (Relief from Tax) If your monthly income is Rs. 150,000 or less, you pay no income tax. This is your personal allowance โ completely tax-free money that recognizes everyone needs a basic amount to live on.
Slab 2: Rs. 150,001 - Rs. 233,333
Tax Rate: 6% with adjustment Formula: T = (P ร 6%) - Rs. 9,000
This is where most middle-income earners fall. The Rs. 9,000 deduction ensures you don't pay tax on your first Rs. 150,000 of income.
Example: If you earn Rs. 200,000 monthly:
- Tax = (200,000 ร 6%) - 9,000 = 12,000 - 9,000 = Rs. 3,000
Slab 3: Rs. 233,334 - Rs. 275,000
Tax Rate: 18% with adjustment Formula: T = (P ร 18%) - Rs. 37,000
Example: If you earn Rs. 250,000 monthly:
- Tax = (250,000 ร 18%) - 37,000 = 45,000 - 37,000 = Rs. 8,000
Slab 4: Rs. 275,001 - Rs. 316,667
Tax Rate: 24% with adjustment Formula: T = (P ร 24%) - Rs. 53,500
Slab 5: Rs. 316,668 - Rs. 358,333
Tax Rate: 30% with adjustment Formula: T = (P ร 30%) - Rs. 72,500
Slab 6: Above Rs. 358,333
Tax Rate: 36% with adjustment Formula: T = (P ร 36%) - Rs. 94,000
The highest earners pay the highest rate, but the deduction ensures they're only paying the higher rate on income above the threshold.
Important Limitations and Exclusions
This calculator handles Tax Table No. 01 only, which covers regular monthly employment income. You cannot use this calculator for:
Lump-Sum Payments
If you receive bonuses, leave encashment, or salary arrears due to suspension/reinstatement, these fall under Tax Table No. 02 and require different calculations.
Cumulative Scenarios
If your monthly income is below Rs. 150,000 but your cumulative income for the year exceeds Rs. 1,800,000, you'll need Tax Table No. 05 calculations.
Mid-Year Employment Changes
If you started work or retired during the current tax year, the calculations become more complex and require Tax Table No. 05.
Multiple Employments
If you have secondary employment income, different rules and calculations apply.
Practical Tips for Using Your Results
Budgeting with APIT
Once you know your monthly tax deduction, you can plan your budget around your net take-home pay. This is your real spending money after taxes.
Salary Negotiations
When negotiating salary, always think in terms of net income. A Rs. 50,000 salary increase doesn't mean Rs. 50,000 more in your pocket โ some will go to taxes.
Annual Tax Planning
While APIT covers most of your tax liability, you may still need to file an annual return. Keep records of your monthly deductions for this purpose.
Investment Planning
Knowing your effective tax rate helps with investment decisions. If you're in a higher tax bracket, tax-efficient investments become more attractive.
How to Read the Table
- Find Your Slab: Locate which income range your monthly salary falls into
- Apply the Formula: Use the corresponding formula to calculate your tax
- Understand the Adjustments: The fixed deductions ensure you don't pay tax on lower slab amounts
Example Calculation for Rs. 250,000 monthly income:
- Falls in Slab 3 (Rs. 233,334 - Rs. 275,000)
- Formula: T = (250,000 ร 18%) - 37,000
- Tax = 45,000 - 37,000 = Rs. 8,000
Verification and Compliance
Always verify that your employer is deducting the correct amount. Payslips should show the APIT deduction clearly. If there's a discrepancy between our calculator and your actual deductions, discuss it with your HR department โ they might be using outdated rates or making errors.
Remember, this is a legal requirement, not an option. Proper APIT deductions protect both you and your employer from compliance issues with the Inland Revenue Department of Sri Lanka.
The calculator provides peace of mind: you'll know exactly what to expect on your payslip each month, making your financial planning more predictable and stress-free.
๐ก This tool provides comprehensive calculations. All results are estimates and should be used for planning purposes only.