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Income Tax Calculator Sri Lanka 2024-25 β€” Sinhala / English

Free Sri Lanka income tax calculator. 2024-25 slabs with LKR 1.2M tax-free threshold. Slabs above: 6%, 12%, 18%, 24%, 30%, 36%. Sinhala UI available.

LK flag

Sri Lanka

2024-25

LKR

Income tax payable

LKR 0

Net income (after tax)

LKR 1,000,000

Effective tax rate

0.00%

View the Sri Lanka tax slabs ↓
Income range (LKR)Rate
0 – 500,0006%
500,000 – 1,000,00012%
1,000,000 – 1,500,00018%
1,500,000 – 2,000,00024%
2,000,000 – 2,500,00030%
2,500,000+36%

LK flagSri Lanka: Income tax slabs per the Inland Revenue (Amendment) Act of Sri Lanka. First LKR 1.2M of annual personal income is tax-free; the slabs above apply to income beyond that threshold.

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About this tool

Sri Lanka income tax (2024-25)

The first LKR 1,200,000 of annual personal income is tax-free. Slabs above that: 6%, 12%, 18%, 24%, 30%, 36%. Verify with the Inland Revenue Department for the current finance-act updates.

How to use the Income Tax Calculator Sri Lanka πŸ‡±πŸ‡°

Takes about a minute. No signup, no download, your data stays in your browser.

  1. 1
    Open the tool. Scroll up to the Income Tax Calculator Sri Lanka πŸ‡±πŸ‡° above β€” it loads instantly in your browser, no install needed.
  2. 2
    Enter your values. The fields come pre-filled with realistic defaults so you can see how it works β€” replace them with your own numbers.
  3. 3
    Read the result. The output updates instantly. Copy or share it β€” nothing is uploaded to a server, everything stays on your device.

Frequently asked questions

Common questions about the Income Tax Calculator Sri Lanka πŸ‡±πŸ‡°.

Is the Income Tax Calculator Sri Lanka πŸ‡±πŸ‡° free to use?

Yes. The Income Tax Calculator Sri Lanka πŸ‡±πŸ‡° on 7BusyBoss is completely free β€” no signup, no paywall, no usage cap.

Do I need to sign up to use the Income Tax Calculator Sri Lanka πŸ‡±πŸ‡°?

No. The Income Tax Calculator Sri Lanka πŸ‡±πŸ‡° works instantly in your browser β€” no account needed. Signing in with Google is optional and only unlocks features like saving favorites and higher AI build limits.

Does the Income Tax Calculator Sri Lanka πŸ‡±πŸ‡° work on mobile?

Yes. Every tool on 7BusyBoss is mobile-responsive and works in any modern browser β€” Chrome, Safari, Firefox, Edge β€” on phones, tablets and desktops.

Is my data safe when I use the Income Tax Calculator Sri Lanka πŸ‡±πŸ‡°?

Yes. The Income Tax Calculator Sri Lanka πŸ‡±πŸ‡° runs entirely in your browser β€” your inputs never leave your device unless the tool explicitly fetches public data (e.g. currency rates). We don't store the values you type.

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