Calculate net profit and net margin after all expenses, interest, and taxes with waterfall breakdown from revenue to bottom line.
Revenue does not reveal how much of a period's business activity reaches the bottom line. This calculator starts with revenue, deducts expenses, interest, and taxes, and shows the resulting net profit as both an amount and a percentage of revenue. Its waterfall makes each reduction visible. The most common mistake is double counting: if interest or taxes are already included in the expense figure, entering them again understates net profit.
A concrete input and expected output from the current implementation.
Input
Revenue: $10,000 Expenses excluding interest and tax: $6,000 Interest: $500 Taxes: $700
Expected output
Net profit: $2,800 Net margin: 28% Waterfall: $10,000 - $6,000 = $4,000; $4,000 - $500 = $3,500; $3,500 - $700 = $2,800
The deductions total $7,200, leaving $2,800 from $10,000 of revenue. Dividing $2,800 by $10,000 gives a net margin of 0.28, or 28%.
The calculation begins with revenue and subtracts each entered deduction on the path to the bottom line. In compact form, net profit equals revenue minus expenses minus interest minus taxes. The waterfall preserves those stages so the user can see whether ordinary expenses, financing costs, or taxes account for each reduction.
Net margin expresses the final profit relative to revenue: net profit divided by revenue, multiplied by 100. A $5,000 profit on $20,000 of revenue is therefore a 25% margin. Unlike the dollar result, the percentage supports comparisons across periods or businesses of different sizes, provided the inputs use comparable definitions.
Include expenses that reduce profit for the same period represented by the revenue figure. If interest and taxes have separate entries, exclude them from the general expense amount. The calculator cannot determine whether a cost was classified correctly, accrued in the proper period, capitalized, or omitted, so its answer depends on the accounting figures supplied.
No. Net profit measures revenue remaining after recognized expenses, interest, and taxes. Cash flow also reflects when money is collected or paid, along with items such as borrowing, loan principal, asset purchases, and noncash expenses. This calculator answers a profitability question; it does not establish the cash generated or available in a bank account.
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