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Singapore Tax Calculator 2025: Complete Guide to Singapore Income Tax & CPF

Calculate your Singapore income tax with our comprehensive guide covering tax brackets, CPF contributions, tax reliefs, and strategies for residents and non-residents.

Tax Calculator TeamFebruary 12, 202511 min read
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Singapore Tax Calculator 2025: Complete Guide to Singapore Income Tax & CPF


Singapore is known for its competitive tax rates and business-friendly environment. This comprehensive guide will help you understand and calculate your income tax liability and CPF contributions in Singapore for 2025.


Singapore Income Tax Brackets 2025


Singapore uses a progressive tax system with relatively low rates:


Tax Rates for Residents (YA 2025):

  • 0% on first S$20,000
  • 2% on next S$10,000 (S$20,001 - S$30,000)
  • 3.5% on next S$10,000 (S$30,001 - S$40,000)
  • 7% on next S$40,000 (S$40,001 - S$80,000)
  • 11.5% on next S$40,000 (S$80,001 - S$120,000)
  • 15% on next S$40,000 (S$120,001 - S$160,000)
  • 18% on next S$40,000 (S$160,001 - S$200,000)
  • 19% on next S$40,000 (S$200,001 - S$240,000)
  • 19.5% on next S$40,000 (S$240,001 - S$280,000)
  • 20% on next S$40,000 (S$280,001 - S$320,000)
  • 22% on next S$180,000 (S$320,001 - S$500,000)
  • 23% on next S$500,000 (S$500,001 - S$1,000,000)
  • 24% on income above S$1,000,000

    • Example Calculation


    Annual income: S$80,000


  • S$0 - S$20,000: S$0 (0%)
  • S$20,001 - S$30,000: S$200 (2%)
  • S$30,001 - S$40,000: S$350 (3.5%)
  • S$40,001 - S$80,000: S$2,800 (7%)
  • **Total tax: S$3,350**
  • **Effective rate: 4.2%**

    • Resident vs Non-Resident Tax


    Tax Resident


    You're a tax resident if:

  • Singapore citizen or permanent resident (usually)
  • Physically present in Singapore for 183+ days in the year
  • Work in Singapore for 183+ days (excluding director)

    • Benefits:

  • Progressive tax rates (lower overall)
  • Personal reliefs available
  • No tax on first S$20,000

    • Non-Resident


    Tax rates:

  • Employment income: 15% or progressive rates (whichever is higher)
  • Director's fees: 24%
  • Other income: Various rates

    • No access to:

  • Personal reliefs
  • Tax rebates
  • Lower progressive rates

    • Central Provident Fund (CPF)


    CPF is Singapore's mandatory social security savings scheme.


    Employee Contribution Rates (2025)


    For Singapore Citizens and PRs:


    Age 55 and below:

  • Employee: 20% of ordinary wages
  • Employer: 17% of ordinary wages
  • **Total: 37%**

    • Age 55-60:

  • Employee: 15%
  • Employer: 14.5%
  • **Total: 29.5%**

    • Age 60-65:

  • Employee: 9.5%
  • Employer: 10.5%
  • **Total: 20%**

    • Age 65-70:

  • Employee: 6.5%
  • Employer: 7.5%
  • **Total: 14.5%**

    • Above 70:

  • Employee: 5%
  • Employer: 7.5%
  • **Total: 12.5%**

    • CPF Allocation (Age 55 and below)


    Ordinary Wages:

  • Ordinary Account (OA): 23%
  • Special Account (SA): 6%
  • MediSave Account (MA): 8%

    • Additional Wages:

  • OA: 100% (up to CPF Annual Limit)

    • CPF Contribution Caps


    **Ordinary Wage Ceiling:** S$6,800 per month

    **Annual Limit:** S$37,740 per year


    Example: Monthly salary S$8,000

  • CPF calculated on S$6,800 only
  • Employee contribution: S$1,360 (20%)
  • Employer contribution: S$1,156 (17%)

    • Using CPF


    Ordinary Account (OA):

  • Housing (property purchase)
  • Education
  • Investment
  • Insurance

    • Special Account (SA):

  • Retirement
  • Investment in approved schemes

    • MediSave Account (MA):

  • Healthcare expenses
  • Medical insurance
  • Approved medical treatments

    • Personal Tax Reliefs


    Earned Income Relief


    Automatic relief:

  • S$1,000 for income up to S$22,000
  • Reduces to S$0 at S$40,000 income
  • No claim needed

    • CPF Relief


    For employees:

  • Relief for mandatory CPF contributions
  • Capped at S$37,740 (2025)
  • Automatically granted

    • For self-employed:

  • Relief for MediSave contributions
  • Must make contributions to claim

    • Spouse Relief


    S$2,000 if:

  • Legally married
  • Spouse has income ≤ S$4,000
  • Not claiming Handicapped Spouse Relief

    • Qualifying Child Relief (QCR)


    S$4,000 per child:

  • Unmarried child under 16
  • Or under 25 and full-time student
  • Or handicapped child (any age)

    • Handicapped Child Relief:

  • S$7,500 per child (instead of S$4,000)

    • Parent Relief


    S$9,000 per parent if:

  • Parent is 55+ years old
  • Annual income ≤ S$4,000
  • Living in Singapore

    • Handicapped Parent Relief:

  • S$14,000 per parent

    • Conditions:

  • Must be supporting parent
  • Can't claim if sibling is claiming
  • Parent can't be claimed by more than one child

    • Course Fees Relief


    Up to S$5,500:

  • For approved courses
  • Must be employment-related
  • Includes exam fees

    • NSman Relief


    For National Servicemen:

  • S$3,000 for NSman (Self)
  • S$750 for NSman (Wife)
  • S$750 for NSman (Parent)

    • Life Insurance Relief


    Up to S$5,000:

  • For CPF MediSave top-ups
  • Supplementary Retirement Scheme (SRS)
  • Life insurance premiums

    • Supplementary Retirement Scheme (SRS)


    Tax Benefits


    Contribution caps (2025):

  • Singapore Citizens/PRs: S$15,300
  • Foreigners: S$35,700

    • Tax relief:

  • 100% of contributions deductible
  • Reduces taxable income dollar-for-dollar

    • Example: Income S$100,000

  • Contribute S$15,300 to SRS
  • Taxable income: S$84,700
  • Tax savings: ~S$2,295

    • Withdrawal


    Penalty-free after 62:

  • 50% of withdrawals taxable
  • Effectively half your marginal rate

    • Early withdrawal:

  • 100% taxable
  • Plus 5% penalty

    • Tax Rebates and Credits


    Parenthood Tax Rebate (PTR)


    For each child:

  • 1st child: S$5,000
  • 2nd child: S$10,000
  • 3rd child: S$20,000
  • 4th+ child: S$20,000 each

    • Shared between parents:

  • Can split in any ratio
  • Must be Singapore citizen child

    • Working Mother's Child Relief (WMCR)


    Percentage of mother's earned income:

  • 1st child: 15%
  • 2nd child: 20%
  • 3rd+ child: 25% each

    • Conditions:

  • Child must be Singapore citizen
  • Mother must be working
  • Can't claim with Qualifying Child Relief

    • Foreign Income and Tax


    Tax on Foreign Income


    Generally not taxed:

  • Foreign-sourced income not remitted to Singapore
  • Foreign-sourced income remitted by individuals (with exceptions)

    • Exceptions:

  • Income from partnership
  • Income received through partnership

    • Double Tax Agreements


    Singapore has DTAs with 90+ countries:

  • Prevents double taxation
  • May reduce withholding tax
  • Foreign tax credit available

    • Self-Employed Tax


    Income Calculation


    Taxable income:

  • Business revenue
  • Less: Business expenses
  • Less: Capital allowances

    • Deductible expenses:

  • Wholly and exclusively for business
  • Must be revenue (not capital) in nature
  • Properly documented

    • CPF for Self-Employed


    MediSave contributions:

  • Mandatory for net trade income > S$6,000
  • Rates vary by age
  • Provides tax relief

    • Tax Planning Strategies


    1. Maximize CPF Contributions


    Voluntary contributions:

  • Top up own or family's CPF
  • Get tax relief
  • Earn guaranteed interest

    • CPF top-up relief:

  • Up to S$8,000 for self
  • Up to S$8,000 for family
  • Total cap: S$16,000

    • 2. Use SRS Effectively


    Strategy:

  • Contribute maximum each year
  • Reduces current tax
  • Withdraw after 62 at lower rate

    • Example: High earner

  • Current rate: 22%
  • Retirement rate: ~5%
  • Effective tax savings: 17%

    • 3. Claim All Reliefs


    Don't miss:

  • Parent relief (if eligible)
  • Course fees relief
  • NSman relief
  • Life insurance relief

    • 4. Optimize WMCR vs QCR


    Working mothers:

  • Calculate both options
  • WMCR often better for high earners
  • Can only claim one per child

    • 5. Time Your Income


    If possible:

  • Defer bonuses to next year
  • Accelerate deductions
  • Manage tax bracket

    • Filing Your Tax Return


    Filing Deadline


    **Paper filing:** April 15

    **e-Filing:** April 18


    For self-employed:

  • Must file by December 31 (estimated income)
  • Actual income by April 18 next year

    • No-Filing Service (NFS)


    Automatic assessment:

  • If income from employment only
  • Employer filed employment income
  • No other income or reliefs to claim

    • Just need to:

  • Check accuracy
  • Inform IRAS if incorrect

    • Payment


    **Due date:** One month from assessment


    Payment options:

  • GIRO (12 monthly installments)
  • Credit card
  • Internet banking
  • AXS/SAM machines

    • Common Mistakes to Avoid


    1. **Not claiming all reliefs:** Especially parent and course fees

    2. **Wrong resident status:** Affects tax rate significantly

    3. **Missing CPF relief:** Should be automatic but verify

    4. **Not using SRS:** Missing significant tax savings

    5. **Late filing:** Penalties apply

    6. **Incorrect expense claims:** Self-employed must have proof


    Using Our Singapore Tax Calculator


    Our calculator provides:

  • Accurate 2025 tax calculations
  • CPF contribution calculations
  • All personal reliefs
  • Resident vs non-resident comparison
  • SRS tax savings analysis
  • Net income after tax and CPF

    • Input required:

  • Annual income
  • Resident status
  • Age (for CPF rates)
  • Reliefs claimed
  • SRS contributions

    • Why Singapore's Tax System is Attractive


    Low rates:

  • Competitive compared to global standards
  • No capital gains tax
  • No inheritance tax
  • Territorial tax system

    • Simple:

  • Relatively straightforward
  • Online filing easy
  • Quick refunds

    • Efficient:

  • IRAS is well-organized
  • Clear guidelines
  • Good taxpayer support

    • Conclusion


    Singapore's tax system offers competitive rates and numerous reliefs that can significantly reduce your tax liability. With progressive rates topping out at 24% and no tax on the first S$20,000, combined with CPF benefits and various reliefs, Singapore remains one of the most tax-efficient jurisdictions globally.


    Use our Singapore tax calculator to get an accurate estimate of your tax liability and CPF contributions. Consider consulting with a tax professional for personalized advice, especially if you have complex income sources or are unsure about your residency status.


    **Disclaimer:** This guide provides general information only. Singapore tax law changes regularly, and individual circumstances vary. Always consult with a qualified tax professional for advice specific to your situation.