Free Tax Calculator

Plan your tax reserve.

Estimate annual business tax from revenue and expenses, with a suggested monthly reserve.

Calculator mode

Annual tax reserve from business revenue and expenses.

Estimates only. Based on the information you enter.

How should we estimate your tax?

I keep expense recordsRevenue minus allowable expenses, taxed at individual bands.Presumptive tax on turnoverThis calculator is for individuals who keep records of expenses. If you do not keep records, you may fall under the Presumptive Tax regime (often a fixed rate or % of turnover). This tool uses progressive income tax bands.

Annual gross revenue

Total business income before expenses.

I earn foreign remote incomeAdd USD client income converted at the CBN reference rate.

Allowable expense categories

Enter costs you treat as allowable for this estimate.

Operating costs

Rent, utilities, supplies, and similar running costs.

Professional / subcontractor fees

Other allowable costs

Other employment income (annual)

Salary or PAYE income from another employer, if any.

Annual rent paid

Used for projected rent relief only. No evidence is collected here.

I have capital expenditure this yearEquipment and other capital costs are not modelled in this estimate.

Withholding tax credits

WHT already deducted that you expect to offset against liability.

Advanced adjustments

Annual capital allowance

Losses brought forward

For partnerships. Enter 100 if you own the business alone.

State / PAYE jurisdiction

Select the state relevant to this estimate. This calculator uses the same federal tax bands across states. State selection is retained for PAYE jurisdiction context.

Planning to remit? Lagos requires an L-Number (State Payer ID) for official filings.

Lagos may apply a development levy (about ₦100 per employee per year) separately from monthly PAYE. Enable the development levy estimate in employer mode for planning.

Not included in this estimate

Complex multi-partner profit allocations
Foreign income and treaty positions
Detailed capital allowance schedules by asset class

Self-employed estimate

Example

Suggested monthly tax reserve

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FAQ

Do I need an account?: No. Calculate and review your estimate for free. Enter your email to download your PDF, or optionally email a copy.
How does state selection work?: Select the state relevant to this estimate. Federal PAYE bands are the same across states in this calculator. State selection is retained for PAYE jurisdiction context.
Living in Lagos?: Have your L-Number (State Payer ID) ready when you prepare an official payslip. You can review amounts in the free payslip generator after calculating here.
Is this my exact payslip?: No. It is a representative estimate based on the assumptions you enter.

Disclaimer

Estimate only. Allowable expenses and filing treatment vary by activity and records. This is not a tax return, audit opinion, or remittance confirmation. Disclaimer: This calculator provides an estimate based on the Nigerian tax rules and Staff Pay calculation assumptions applicable to the selected inputs and calculation year. Actual tax obligations and take-home pay may differ because of individual circumstances, employer records, applicable regulations, year-to-date income, previous employment, relief evidence, and information not provided to this calculator. This tool is for informational purposes only and does not constitute tax, legal, or financial advice. It does not file a return, remit tax, or confirm that any deduction has been paid. Review important decisions with a qualified tax adviser or the relevant tax authority. For payroll management, payslips and compliance tracking, use Staff Pay.

Need a printable payslip layout? Try the free payslip generator.

Tax guides

One guide per calculator mode: PAYE, employer cost, VAT, WHT, CIT, CGT, stamp duty, and more.

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