Nigeria Tax Act 2025

Multiple Income Sources Tax Calculator

Calculate your total tax liability across all income streams - salary, freelance, rental, investments, crypto, and more. Full WHT credit support.

Income Sources
Add all your income streams - salary, freelance, investments, etc.
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Deductions & Reliefs
All deductions must be documented to be claimed

Ready to Calculate

Add your income sources and deductions, then click Calculate

Understanding Multiple Income Taxation

Under the Nigeria Tax Act 2025, all income sources are combined and taxed progressively. This calculator helps you determine your total tax liability across all income streams.

  • 1All employment, business, freelance, and passive income must be declared
  • 2Withholding tax paid on freelance/rental income is credited against total tax
  • 3All deductions must be supported by documentation
  • 4Annual tax filing is mandatory even if you have no balance due