A day rate annualised and taxed.
Net take-home
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Annual income
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Chargeable income
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Income tax
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Your breakdown
Updates live as you type| Income slice | Rate | Tax on slice |
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Turning a daily rate into a real income
A day rate flatters you. NGN 120,000 a day sounds like a fortune until you remember nobody bills 365 days a year. Weekends, public holidays, the gap between contracts, time spent chasing the next client, and the occasional sick week all eat into your billable calendar. This calculator does the unglamorous arithmetic: it multiplies your rate by the days you realistically expect to bill, then runs that income through Nigeria's personal income tax bands so you see what actually lands in your account.
It is built for independent consultants, freelance developers, contract project managers and anyone quoting clients by the day rather than drawing a salary. If you are deciding whether a day rate is worth leaving a permanent role for, this is the comparison that matters, because a contractor pays their own tax with no employer payroll cushion.
The billable-days number people get wrong
The default here is 220 billable days, and that is already an optimistic full year. There are about 260 weekdays in a year before you subtract public holidays, leave and bench time between gigs. Many established contractors land closer to 200 once reality intrudes, and someone breaking into freelancing in their first year might bill far fewer. Drop the day count and watch the annual figure fall fast. A common and costly mistake is to quote a day rate as if you will bill every working day, then discover months later that your effective annual income is well below the salary you left.
Where the tax actually bites
Once your day rate becomes an annual figure, the tool treats it as income and applies Nigeria's progressive personal income tax bands. Crucially, tax is charged on chargeable income, which is your gross income after eligible deductions, not on the gross itself. Pension contributions you make and rent relief reduce that chargeable figure, which is why this calculator gives you fields for both. As a contractor you are assessed by the internal revenue service of the state where you reside, so the practical filing relationship is with your state revenue service rather than only the federal authority.
The bands this calculator applies run from a tax-free first slice through several rising rates. Because the 2025 reform reshaped these bands and the reliefs around them, the figures here are the position the tool models rather than a certified rate card. Confirm the current bands and relief caps with the FIRS and your state internal revenue service before you rely on them for a tax return.
NGN 120,000 a day, 220 days, taxed band by band
Run the default. At NGN 120,000 a day across 220 billable days your annual income is NGN 26.4 million. With no pension or rent relief entered, your chargeable income is the full NGN 26.4 million. The tool then walks it up the bands using the rates this calculator applies: the first slice is tax-free, and each rising band taxes only the income that falls inside it. The bands stack to NGN 5,002,000 of income tax, leaving a net take-home of NGN 21,398,000.
Notice the effective rate. Even though the top slice is taxed at 23 percent, the overall bite on the full NGN 26.4 million is closer to 19 percent, because the lower bands and the tax-free slice pull the average down. That distinction between marginal and effective rate is the thing contractors most often misjudge when they price a contract.
Should I add a buffer to my day rate for tax?
Yes. A sensible contractor quotes a rate that already assumes a chunk goes to tax and to non-billable time. If you need a certain take-home, work backwards: enter different day rates here until the net take-home matches your target, then quote the gross figure that gets you there.
Can I really claim pension and rent relief as a contractor?
Eligible pension contributions and rent relief reduce chargeable income under the personal income tax rules, and the tool lets you model both. The exact eligibility and the rent-relief cap are points to confirm with your state internal revenue service, since the reform adjusted these reliefs and states administer individual assessments.
What about VAT and withholding tax on my invoices?
This tool covers income tax only. Separately, clients often deduct withholding tax from contractor payments as an advance against your final bill, and you may have VAT obligations above a turnover threshold. Those are different mechanisms, and you can reconcile any withholding tax credit against the income tax this tool estimates.