Automated Market Makers (AMMs) are a decentralizedDecentralization refers to the property of a system in which nodes or actors work in concert in a distributed fashion to achieve a common goal.
Click to read more → exchangeBusinesses that allow customers to trade cryptocurrencies for fiat money or other cryptocurrencies.
Click to read more → protocol that allows users to trade cryptocurrencies without needing traditional order books.   Instead of relying on buy and sell orders placed by users, AMMs use smart contracts and liquidityLiquidity indicates how easy it is to convert a cryptocurrency into cashCash is the most liquid form of money: physical coins and banknotes in the most narrow sense of the term.
Click to read more → quickly — and whether this can be achieved without the assetAssets are the resources that an organization can use to generate revenue or benefit.
Click to read more →’s value suffering.
Click to read more → pools to facilitate trades.   If the term “Virtual Automated Market Makers (vAMMs)” has emerged since my last update, it could refer to an evolution or extension of the AMM concept with additional virtual or programmable features.    These decentralized exchange protocols utilize liquidity pools and algorithms to enable users to trade digitalDigital technologies are these electronic tools that have the ability to generate, store or even process data.
Click to read more → assets directly from their wallets. Popular examples include Uniswap […]
Click to read more →When people hear the word tax most Nigerians immediately think of salary deduction or payroll tax. But tax in Nigeria is much broader than just salary.

Tax calculation depends on the type of tax being considered. There are different categories such as personal income tax corporate income tax withholding tax VAT capitalCapital is most commonly defined as the large sum of money you would use to invest.
Click to read more → gainsGains refer to an increase in value or profit.
Click to read more → tax petroleum profits tax stamp duties and more.

Every type has its own calculation rules. So when we want to understand how tax is calculated in Nigeria we need to understand the category of tax and the method that applies to it.

Some taxes are calculated based on profit. Some on turnover. Some on consumption. Some are charged at source during payment.

That is why there is no single formula. Each tax type has its own structured method. Nigerian tax system is a multi layer system administered jointly by federal and state government.

FIRS controls corporate and federal taxes. State Internal Revenue Services enforce personal income tax and PAYE.

Now let us break down how the major tax types are calculated in Nigeria so it becomes easy for individuals and business owners to understand.

How Personal Income Tax Is Calculated

Personal income tax is charged on the income of individuals. Nigeria uses the Pay As You Earn system to collect monthly tax from salary earners.

Taxable income is computed after applying allowable reliefs. Workers are entitled to Consolidated Relief Allowance which combines a fixed amount and percentage of income. Pension contribution also reduces taxable income.

Monthly taxable income is then divided based on tax bands. Each band has a percentage applied to that portion. The sum of all portions gives the total monthly tax.

So tax calculation is not one flat rate. It is progressive. Low income earners pay low tax. High income earners pay higher tax. This is the logic behind PAYE in Nigeria.

Self employed people also pay personal income tax but they file annual returns and pay based on assessable profit rather than PAYE payroll deduction.

How Company Income Tax Is Calculated

Companies pay Company Income Tax on profit. Profit is income minus allowable business expenses. Small companies with turnover below the legally defined threshold may be exempt or taxed at lower rate. Larger companies have a defined percentage applied on their profit.

The exact rate depends on classification. Profit calculation follows accounting principles but tax laws have their own adjustments such as disallowed expenses and capital allowances. So tax authority reviews profit before applying the rate.

How Withholding Tax Is Calculated

Withholding tax is not calculated at the end of the year. It is deducted at the point when payment is made.

For example if someone is paid one million naira for consultancy service and the withholding tax rate is 10 percent then one hundred thousand naira is deducted immediately and remitted to government. So withholding tax calculation is percentage based.

There is no relief or deduction logic. It is simply a percentage applied on the payment amount. Rates differ based on type of transaction and whether the recipient is a company or individual.

How Value Added Tax Is Calculated

Value Added Tax is calculated as a percentage of the value of goods and services supplied in Nigeria. The current VAT rate is 7.5 percent.

So if something costs one hundred thousand naira VAT on that amount is seven thousand five hundred. Businesses collect this portion and remit it monthly. VAT is not calculated from salary. It is calculated at point of sale.

Individuals pay VAT every time they buy goods and services unless that item falls under VAT exempt category. VAT applies to most modern consumer transactions.

How Capital Gains Tax Is Calculated

Capital Gains Tax applies when someone sells an asset at a profit. It is charged on the gain not the whole amount. For example if someone buys land for two million naira and sells it for three million the gain is one million.

CGT percentage is applied to that one million. Not the whole three million. This is how capital gain is calculated.

How Petroleum Profits Tax Is Calculated

Petroleum Profits Tax applies to oil exploration and production companies. It is computed on profits from upstream petroleum operations.

It is not like PAYE or VAT. It involves highly specific calculation rules because oil and gasA term used on the Ethereum platform that refers to a unit of measuring the computational effort of conducting transactions or smart contracts, or launch DApps in the Ethereum network.
Click to read more → sector is treated differently.

This category has unique accounting treatment and special tax rates. It is monitored by federal government because it is a strategic sector.

How Stamp Duty Is Calculated

Stamp duty applies to transactions such as legal documents transfers and bank related transactions. Small stamp duty applies on transfers above certain levels.

The amount can be percentage based or fixed depending on the nature of the document.

Summary Of Different Calculation Methods

Different taxes are calculated differently because their structures are not the same. Income tax uses reliefs and tax bands. Company income tax uses profit after adjustments. Withholding tax applies percentage immediately at source.

VAT applies percentage on value of goods and services consumed. Capital gains tax applies percentage on profit from sale. Petroleum profits tax uses sector specific formula. Stamp duty can use fixed charge or percentage.

Conclusion

So when we want to understand how tax is calculated in Nigeria we must always identify which tax category we are talking about.

There is no one formula. Every tax has its own method. The key to understanding Nigerian tax calculation is to know that personal income tax is progressive and uses taxable income computation.

Company income tax applies percentage on profit. Withholding tax applies percentage on transaction value. VAT applies percentage on consumption. Each tax category plays a different role in revenue collection.