What it means
After-tax income answers a blunt question: of everything earned, how much do you genuinely get to keep? Every figure above it in the accounts, from revenue through gross profit to operating profit, is a staging post, and after-tax income is where the counting stops.
It matters because tax is rarely optional and rarely small. A business reporting $1,000,000 of pre-tax profit in a jurisdiction with a 25% rate has $750,000 to work with, and any plan built on the larger number is a plan built on money that belongs to the government.
The calculation itself is simple, but the tax rate you use is where the complexity lives. The rate a company actually pays, known as its effective tax rate, often differs from the headline statutory rate because of capital allowances, losses carried forward from earlier years and profits earned in different countries.
For individuals the same term describes net pay. Someone earning $90,000 who pays $22,500 in income tax and social contributions has after-tax income of $67,500, and that is the figure a mortgage lender will use when assessing what the borrower can afford.
One nuance catches people out repeatedly. After-tax income is an accounting measure rather than a cash measure, so a company can report healthy after-tax income while its bank balance falls, because depreciation, stock build-up and unpaid customer invoices all sit between profit and cash.
Businesses also use the concept for comparing options, not just for reporting results. A project earning $100,000 before tax is worth less than a tax-free grant of $80,000 once a 25% rate is applied, which is why decisions about financing, leasing and investment are normally modelled on an after-tax basis.
In practice
Real-world examples
Example 1
A family-owned printing business is deciding whether to buy a new press. The owners work from after-tax income of $340,000 rather than pre-tax profit of $450,000, because the tax bill is not available to fund the deposit.
Example 2
A recruitment consultant negotiating a job offer compares two packages with the same headline salary. One is in a jurisdiction with higher social contributions, so the after-tax income differs by several thousand dollars a year despite identical gross pay.
Example 3
A private equity buyer models a target company's cash generation. It adjusts the seller's reported after-tax income for one-off tax credits that will not repeat, which lowers the sustainable figure and therefore the price offered.
Think of it
Think of after-tax income like ordering a takeaway meal with a delivery fee and service tax included. The advertised menu price is your pre-tax earnings, but the final amount charged to your card is what you actually pay, representing the net amount you get to keep.
Formula
Calculation
After-tax income = Pre-tax income - Tax expense
Equivalently: After-tax income = Pre-tax income x (1 - Effective tax rate)
Worked example: a regional logistics company reports pre-tax income of $800,000 for the year and faces an effective tax rate of 25%.
Tax expense = $800,000 x 0.25 = $200,000.
After-tax income = $800,000 - $200,000 = $600,000.
Using the second form gives the same answer: $800,000 x (1 - 0.25) = $800,000 x 0.75 = $600,000.
If the company has 400,000 shares in issue, earnings per share are $600,000 / 400,000 = $1.50. Should the board decide to pay out 40% of after-tax income as a dividend, the total dividend is $600,000 x 0.40 = $240,000, leaving $360,000 added to retained earnings.Case study
Seen in the real world
This is a fictional, illustrative scenario. Harrowgate Interiors, an invented commercial fit-out contractor, told its shareholders for three years running that the business was "making about a million". The figure quoted at every meeting was pre-tax profit, and the owners had grown used to planning expansion, bonuses and a new showroom around it.
When the company finally set out a proper cash plan, the picture changed. Pre-tax profit of $1,000,000 became after-tax income of $740,000 once an effective rate of 26% was applied, and after committed loan repayments of $300,000 only $440,000 remained for everything else. The showroom was postponed for a year, and the board changed its reporting pack so that after-tax income, not pre-tax profit, appeared at the top of the first page.
Watch out
Common mistakes
- Planning dividends, bonuses or capital spending from pre-tax profit and discovering later that a quarter of it was never yours to spend.
- Assuming the statutory tax rate equals the rate actually paid, when allowances, reliefs and overseas profits usually make the effective rate different.
- Treating after-tax income as available cash, when working capital movements and loan principal repayments can absorb most or all of it.
Questions
People also ask
Is after-tax income the same as net income?
For a company they are generally the same figure, since net income is by convention stated after tax, though people sometimes say net income loosely when they mean profit before tax.
Why is my after-tax income lower than the tax rate suggests?
Because income tax is often only part of the deduction, and social contributions, pension payments and local taxes can all sit alongside it.
Can after-tax income be higher than pre-tax income?
Yes, occasionally, when a company recognises a tax credit or releases a deferred tax asset, which produces a tax benefit rather than a tax charge for that period.