Singapore Income Tax Calculator
Calculate your Singapore personal income tax based on YA 2026 IRAS progressive tax rates. Factor in CPF relief, SRS retirement relief, and personal deductions to estimate your tax liability.
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Singapore Localized Tool
This calculator is calibrated specifically for Singapore statutory rules, tax brackets, and CPF allocation policies (2026 guidelines).
Calculated Results
Tax Paid by Bracket
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This Singapore Income Tax Calculator tool is provided strictly for educational and illustrative purposes. All results are mathematical projections computed using default inputs, rounded parameters, and standard formulas. Actual financial returns may vary based on exact tax regulations, market fluctuations, inflation rate jumps, or specific lender policies. For binding investment or credit decisions, consult a qualified certified financial professional.
Singapore Tax Optimization Strategy
Personalized Actionable Insights
Singapore has one of the lowest personal income tax rates globally. With the first $20,000 tax-free and a maximum marginal rate of 24%, effective tax rates are significantly lower than headline rates. Smart use of reliefs can further reduce your liability.
Maximize CPF top-ups: Voluntary CPF SA/RA top-ups offer tax relief up to $8,000 per year, directly reducing your chargeable income.
Claim all eligible reliefs: Common reliefs include NSman relief ($1,500-$5,000), spouse relief ($2,000), parent relief ($5,500-$14,000), and working mother child relief.
Consider SRS contributions: Supplementary Retirement Scheme (SRS) contributions are tax-deductible and can reduce chargeable income by up to $15,300 for citizens and PRs.
Mathematical Formula & Equations
Understand the logic under the hood. Here is the formula and exact variable mappings utilized by the Singapore Income Tax Calculator to compile results.
The Equation
Tax Payable = Ξ£ (Income in each bracket Γ Bracket marginal rate)
Singapore personal income tax is computed progressively on chargeable income across 13 income bands. Chargeable income equals your total assessable income minus personal reliefs (CPF contributions, earned income relief, and other qualifying reliefs).
Variable Definitions
Total employment income plus any other taxable income sources for the Year of Assessment.
Assessable income minus all qualifying personal reliefs and approved deductions.
The marginal tax rate applied to income within each specific bracket, ranging from 0% to 24%.
Methodology & Computational Scope
Our Singapore Income Tax Calculator utilizes standardized financial math compounding formulas to project long-term wealth assets. By compounding values, accounting for recurring cycles, and outputting exact amortizations, it guarantees complete transparency.
- Inland Revenue Authority of Singapore (IRAS) Tax Rate Tables YA 2026
- Income Tax Act (Cap. 134)
- IRAS Official Tax Rate Schedule
- Singapore Statutes Online
Step-by-Step Example Calculation
See the calculation in action. Below is a step-by-step mathematical example using default parameters to demonstrate how values are processed and generated.
Young Professional (Age 28, $60,000 Annual Salary)
Annual employment income: $60,000. CPF employee contributions at 20%: $12,000.
Earned income relief (age < 55): $1,000.
Chargeable income: $60,000 β $12,000 β $1,000 = $47,000.
Tax calculation: First $20,000 at 0% = $0. Next $10,000 at 2% = $200. Next $10,000 at 3.5% = $350. Remaining $7,000 at 7% = $490.
Total tax payable: $1,040. Effective rate: 2.21%. That is only ~$87 per month in tax!
Senior Manager (Age 42, $150,000 Salary)
Annual income: $150,000. CPF on capped OW ($8,000 Γ 12 months Γ 20%): $19,200.
Earned income relief: $1,000. Total reliefs: $20,200.
Chargeable income: $150,000 β $20,200 = $129,800.
Tax: $0 (first $20k) + $200 ($20-30k at 2%) + $350 ($30-40k at 3.5%) + $2,800 ($40-80k at 7%) + $4,600 ($80-120k at 11.5%) + $1,470 (remaining $9,800 at 15%).
Total tax: $9,420. Effective rate: 7.26%. Monthly tax: ~$785.
High Earner with SRS Tax Planning (Age 50, $320,000 Salary)
Annual income: $320,000. CPF on capped OW: $19,200. SRS contribution: $15,300.
Total deductions: $19,200 (CPF) + $1,000 (earned income) + $15,300 (SRS) = $35,500.
Chargeable income: $320,000 β $35,500 = $284,500.
Progressive tax through all brackets up to the 19.5% band yields approximately $33,428 in total tax.
Without SRS relief ($15,300), tax would be ~$36,414 β saving approximately $2,986. Effective rate: 11.73%.
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Frequently Asked Questions
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About This Calculator
Calculate your Singapore personal income tax based on YA 2026 IRAS progressive tax rates. Factor in CPF relief, SRS retirement relief, and personal deductions to estimate your tax liability.
How the Calculation Works
Singapore personal income tax is computed progressively on chargeable income across 13 income bands. Chargeable income equals your total assessable income minus personal reliefs (CPF contributions, earned income relief, and other qualifying reliefs).
Variable Definitions
- Assessable Income
- Total employment income plus any other taxable income sources for the Year of Assessment.
- Chargeable Income
- Assessable income minus all qualifying personal reliefs and approved deductions.
- Progressive Rate
- The marginal tax rate applied to income within each specific bracket, ranging from 0% to 24%.
Step-by-Step Example
Young Professional (Age 28, $60,000 Annual Salary)
- 1
Annual employment income: $60,000. CPF employee contributions at 20%: $12,000.
- 2
Earned income relief (age < 55): $1,000.
- 3
Chargeable income: $60,000 β $12,000 β $1,000 = $47,000.
- 4
Tax calculation: First $20,000 at 0% = $0. Next $10,000 at 2% = $200. Next $10,000 at 3.5% = $350. Remaining $7,000 at 7% = $490.
- 5
Total tax payable: $1,040. Effective rate: 2.21%. That is only ~$87 per month in tax!
Senior Manager (Age 42, $150,000 Salary)
- 1
Annual income: $150,000. CPF on capped OW ($8,000 Γ 12 months Γ 20%): $19,200.
- 2
Earned income relief: $1,000. Total reliefs: $20,200.
- 3
Chargeable income: $150,000 β $20,200 = $129,800.
- 4
Tax: $0 (first $20k) + $200 ($20-30k at 2%) + $350 ($30-40k at 3.5%) + $2,800 ($40-80k at 7%) + $4,600 ($80-120k at 11.5%) + $1,470 (remaining $9,800 at 15%).
- 5
Total tax: $9,420. Effective rate: 7.26%. Monthly tax: ~$785.
High Earner with SRS Tax Planning (Age 50, $320,000 Salary)
- 1
Annual income: $320,000. CPF on capped OW: $19,200. SRS contribution: $15,300.
- 2
Total deductions: $19,200 (CPF) + $1,000 (earned income) + $15,300 (SRS) = $35,500.
- 3
Chargeable income: $320,000 β $35,500 = $284,500.
- 4
Progressive tax through all brackets up to the 19.5% band yields approximately $33,428 in total tax.
- 5
Without SRS relief ($15,300), tax would be ~$36,414 β saving approximately $2,986. Effective rate: 11.73%.
Accuracy & Editorial Standards
Rachel Lim
Singapore Tax Advisory Specialist
ACCA, CA (Singapore)
Formula Sources
- Inland Revenue Authority of Singapore (IRAS) Tax Rate Tables YA 2026
- Income Tax Act (Cap. 134)
Data Sources
- IRAS Official Tax Rate Schedule
- Singapore Statutes Online
Last updated: June 2026. All results are estimates for informational purposes only and do not constitute professional financial, medical, or legal advice.
Frequently Asked Questions
What are the Singapore income tax rates for YA 2026?
Singapore uses progressive tax rates from 0% to 24%. The first $20,000 of chargeable income is tax-free, with rates increasing in bands: 2% on the next $10,000, 3.5% on the next $10,000, up to 24% for income exceeding $1,000,000.
What is chargeable income in Singapore?
Chargeable income is your total assessable income (employment, trade, and other income) minus all allowable deductions and personal tax reliefs such as CPF contributions, earned income relief, and parent relief.
When is Singapore income tax filing due?
The annual income tax filing season typically runs from 1 March to 18 April. E-filing via the IRAS myTax Portal is available for convenient submissions.
Disclaimer: The Singapore Income Tax Calculator on NexProTools is provided for informational and educational purposes only. All calculations are performed entirely in your browser β no data is sent to our servers. Results are based on the inputs you provide and the standard mathematical formulas described above. For decisions involving significant financial, medical, legal, or other matters, please consult a qualified professional. NexProTools assumes no liability for decisions made based on calculator outputs.