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The income tax calculation format is pretty simple. To get a basic calculation, you can do Base pay plus HRA plus Special Allowance plus Transport Allowance plus any other allowances. In India, calculating income tax is a difficult procedure. The mere notion of income tax tends to terrify people, particularly salaried individuals with no history in taxation. Yet income tax calculation need not be so complicated. Obviously, without the proper information, you will wind up paying either more or less tax than is required. It is why you should understand the terminology and determine the correct amount of income tax you must pay.

What is the formula for calculating income tax?

The taxable income formula is the formula for calculating the actual income tax as per the income tax rules. For the individual, the formula is simple. It is computed by subtracting the income tax exemptions and deductions from the total income obtained. For businesses, net income is determined by subtracting all expenditures and deductions from total revenue and other income.

In basic terms, it refers to the amount of a person’s or organization’s revenue that might result in a tax payment. An individual’s taxable income is calculated by deducting tax-exempt costs and deductions from gross income.

For an individual

Method for Calculating Taxable Income = Total Net Income – Total Tax exemption – Total Deductions

In contrast, a corporation’s taxable income is determined by subtracting the cost of items sold, operational expenditures, and interest on debts from the company’s gross sales. In addition, adjustments are performed for tax deductions and credits to determine the ultimate income.

For Corporate

The formula for Calculating Taxable Income = Gross Sales – Cost of Products Sold – Operational Costs – Interest Expense – Tax Deduction/ Credit.


The following four steps can be used to calculate an individual’s taxable income:

  1. First, ascertain the person’s whole gross revenue. All sources of income are included in the total gross income, including wages and salaries, property rental income, capital gains from the sale of assets, revenue from other business interests, etc.
  2. Then, figure out how many exemptions the person has in total. There are several tax exemptions, such as those for charitable organisations, humanitarian relief, educational supplies, etc. Depending on the reporting nation, the list could change.
  3. Next, sum up all the deductions that can be made from the person’s income. Tax deductions come in many forms, such as interest on credit card debt, mortgage interest, student loan debt, medical costs, etc. Depending on the nation that is reporting, this list may also change.
  4. Last but not least, total exemptions and deductions from the person’s overall gross income are used to determine the taxable income formula, as follows. Overall gross income minus all applicable exemptions and deductions equals Taxable Earnings.

You can calculate an organisation’s taxable revenue using the preceding five steps:

Step 1: The sales department must first certify gross sales.

Step 2: The accounts department then calculates the cost of goods sold.

Step 3: Following that, the accounts department calculates the operating expense as well.

Step 4: The interest paid is then computed using the interest rate charged and the total amount of the company’s outstanding debt.

Interest costs equal debt times the interest rate.

Step 5: Next, determine all the tax credits and deductions the company is eligible for.

Step 6: Lastly, the cost of items sold, operating costs, and interest paid on liabilities are subtracted from the company’s gross sales to calculate the taxable income equation as shown below.

Gross sales less cost of products sold, operating expenses, interest costs, and tax deductions or credits equal taxable earnings.

How is income tax calculated with an example?

If Mr Bajaj earns Rs. 25,000 per month in salary, Rs. 4500 in discretionary allowance, Rs. 2250 in amusement allowance, and Rs. 3500 in professional tax, his tax liability would be determined as follows:

Base Salary 

25000 x 12 = 3,00,000

DA 4500 x 12 = 54,000 

EA 2250 x 12 = 27,000

Total Compensation = 3,81,000 

Professional Tax = 3500

Net income = 3,77,500 

His taxable income of Rs. 3,77,500 places him in the 2.5 to 5 lakhs income tax bracket. He must therefore pay income tax equal to 10% of his net income.

Taxes on the net income mentioned above equal 10% of $3,77,500, or $37,750.

How to calculate TDS?

While the base salary is completely taxed according to the applicable tax band, certain exclusions apply to allowances and benefits. Following these procedures will allow you to calculate TDS on your income.

Compute TDS Based on Wage.

Step 1: Determine the monthly income by adding the basic income, allowances, and luxuries.

Step 2: Compute exemptions based on Section 10 of the Income Tax Act (ITA). Exemptions apply to allowances, including medical, HRA, and travel.

Step 3: For the gross monthly income computed in step 2, reduce deductions according to step 2. (1).

Step 4: Since TDS is determined by annual income, multiply the relevant result of the previous computation by 12 to arrive at the final result. It is your annual taxable revenue from wages.

Step 5: If you have other revenue sources, such as rental income or losses from paying mortgage interest, add/subtract this figure from the amount from step 4. (4).

Step 6: Next, compute your investments for the year according to Chapter VI-A of the Internal Revenue Code, and subtract this amount from the total salary estimated in step 5. (5). This includes exemptions of up to Rs.1.5 lakh under Section 80C for investments such as PPF, life insurance costs, mutual funds, house loan repayment, ELSS, NSC, and Sukanya Samriddhi account, among others.

Step 7: Reduce the salary’s maximum permissible income tax exemptions. Today, income up to Rs.2.5 lakh is tax-free, income between Rs.2.5 lakh and Rs.5 lakh is taxed at 10%, and income between Rs.5 lakh and Rs.10 lakh is taxed at 20%. Any income above this threshold is taxed at 30 per cent.

Step 8: Remember that senior citizens have distinct tax brackets and obtain bigger exemptions than those outlined before.


1. What are the two methods of income tax?

As a taxpayer, we have two viable options:

New Income Tax Structure – Eliminate all exemptions and deductions and take advantage of reduced tax rates

Previous Income Tax System – At the current income tax rates, exemptions and tax cuts are advantageous.

2. How do you calculate tax obligation?

As per the above mentioned methods, you can calculate your tax liabilities using simple steps.

3. How is the income tax calculated in India?

In India, calculating income tax requires calculating your total earnings by adding all allowances and subtracting exemptions. You may calculate your income tax online based on your yearly income, spending, rent, EMIs, and tax-advantaged assets. You must also be aware of your income tax bracket, which is the tax rate relevant to your income bracket.

4. What are the three taxation methods used by the government?

The more a person’s wealth, the greater their tax burden should be. We can therefore define three sorts of tax systems based on the rate at which the tax rate increases as income grows. First, there are proportional taxes, then regressive taxes, and then progressive taxes.


It is necessary to disclose all investments at the start of the assessment year so that the correct amount of tax may be determined. Understanding taxes, tax deductions, and tax returns are crucial for establishing a solid financial foundation. Incorrect tax payments, incorrect documentation, and falsification constitute a legal offence. Having a clear understanding of the income tax calculation format is essential for accurate and efficient tax calculations. 

Examples of income tax fraud include the following:

  • Avoid intentionally filing the IT return
  • Willful nonpayment of tax obligations
  • knowingly not reporting complete income
  • Fraudulent filing of tax returns
  • False claims

This type of tax fraud can result in legal consequences such as hefty fines and jail.

Everyone desires a lavish lifestyle but believes it is unachievable because a significant portion of their income goes to taxes. Knowledge of proper computations and deductions facilitates proper money investment and tax saving, hence facilitating the luxury lifestyle that everyone desires. In addition, it prevents tax fraud.

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