Last Updated: January 16, 2026
We update our references annually to reflect the latest tax law changes.
- IRS: 2025 Tax Tables (Publication 1040-ES)
Official federal tax brackets and rates
- IRS: Publication 15, Employer's Tax Guide
Payroll tax guide and withholding information
- IRS: Social Security & Medicare Tax Rates
Social Security and Medicare contribution rates
- IRS: Child Tax Credit Information
Child tax credit details and eligibility
- IRS Forms & Publications
Complete library of IRS forms and publications
- Canada Revenue Agency (CRA)
Official CRA website
- CRA: Income Tax Rates
Federal and provincial tax rates
- CRA: CPP Contributions
Canada Pension Plan contribution rates
- CRA: EI Premiums
Employment Insurance premium rates
- HM Revenue & Customs (HMRC)
Official HMRC website
- HMRC: Income Tax Rates
UK income tax rates and bands
- HMRC: National Insurance
National Insurance contribution rates
- HMRC: Tax Codes
Understanding UK tax codes
- Income Tax Department, Government of India
Official income tax department website
- Income Tax Slabs (Rates)
Current income tax rates and brackets
- Tax Deducted at Source (TDS)
TDS rates and regulations
- Tax Deductions (Section 80C, 80D, etc.)
Available tax deductions and exemptions
- Australian Taxation Office (ATO)
Official ATO website
- ATO: Individual Income Tax Rates
Australian income tax rates and brackets
- ATO: Medicare Levy
Medicare levy rates and exemptions
- ATO: Income and Deductions
Taxable income and allowable deductions
- Bundesfinanzministerium (Federal Ministry of Finance)
Official German finance ministry
- Income Tax Information (German)
German income tax information
- Federal Central Tax Office (BZSt)
Federal tax administration
- impots.gouv.fr (French Tax Administration)
Official French tax administration
- Income Tax Brackets (French)
French income tax brackets and rates
- Prélèvement à la Source (Withholding at Source)
Tax withholding system information
- Inland Revenue Authority of Singapore (IRAS)
Official IRAS website
- IRAS: Individual Income Tax Rates
Singapore income tax rates
- National Tax Agency (Japanese)
Official Japanese tax agency
- Income Tax Rates (Japanese)
Japanese income tax rates
- Receita Federal (Portuguese)
Official Brazilian tax authority
- Income Tax Tables (Portuguese)
Brazilian income tax rates
- INSS Social Security (Portuguese)
Social security contribution rates
- Lembaga Hasil Dalam Negeri (LHDN)
Official Malaysian tax authority
- LHDN: Individual Income Tax
Malaysian income tax information
- LHDN: Tax Reliefs and Rebates
Available tax reliefs and rebates
- LHDN: Tax Rates
Current tax rates and brackets
- Bureau of Internal Revenue
Official Philippine tax authority
- Income Tax Information
Philippine income tax rates and brackets
- FOD Financiën (Federal Public Service Finance)
Official Belgian tax authority
- Income Tax Information (Dutch)
Belgian income tax information in Dutch
- Income Tax Information (French)
Belgian income tax information in French
- Inland Revenue Department (IRD)
Official Hong Kong tax authority
- IRD: Salaries Tax
Hong Kong salaries tax information
- IRD: Tax Rates
Current tax rates and brackets
- IRD: Tax Allowances and Deductions
Available tax allowances and deductions
- Commissioner for Revenue (CFR)
Official Maltese tax authority
- CFR: Income Tax Information
Maltese income tax information
- CFR: Tax Rates
Current tax rates and brackets
Accuracy & Transparency
All tax calculations on our platform are based exclusively on official government publications and tax authority resources. We cite our sources transparently to ensure you can verify our calculations and trust our results.
Annual Updates
Tax laws and rates change annually. We review and update all references at the beginning of each tax year to ensure our calculators reflect the latest tax brackets, rates, and regulations published by official tax authorities.
Verification
We encourage users to verify calculations by consulting the official tax authority resources linked above. For complex tax situations or official tax filing, please consult with a qualified tax professional.