Calculated from the sample figures using the displayed formula.
What is the net income formula?
Revenue − All recognized expensesNet income is the residual earnings after recognized expenses, interest and taxes for the period.
What do the inputs mean?
- Revenue
- The value entered for revenue. Keep its period and units consistent with the other inputs.
- All recognized expenses
- The value entered for all recognized expenses. Keep its period and units consistent with the other inputs.
How to calculate it step by step
- Define the decision.
Write down what the result will help you compare or decide. - Collect matching inputs.
Use figures from the same period and apply the definitions shown on this page. - Apply the formula.
Revenue − All recognized expenses. - Check the units.
Confirm whether the result is a currency amount, percentage, number of periods or ratio. - Test a second case.
Change one assumption at a time to see what drives the result.
Worked example
Using the sample figures in the calculator, the result is $110,000.00. Change one figure at a time and recalculate to see which assumption has the greatest effect. A spreadsheet should return the same result when it uses the same formula, units and timing.
When should you use net income formula?
Use it as the bottom-line result under the applicable accounting basis.
Limitations and common mistakes
Net income is not the same as cash generated during the period.
Do not mix annual figures with monthly figures, ending balances with averages, or percentages with whole numbers. Record the definition used so another person can reproduce the result.
Frequently asked questions
What is net income formula?
Net income is the residual earnings after recognized expenses, interest and taxes for the period.
How should I use net income formula?
Use the formula only after matching every input to the same period, unit and definition. Then compare the result with a worked example and the decision you are trying to make.
What is the most common mistake with net income formula?
Net income is not the same as cash generated during the period.
Can I calculate net income formula in a spreadsheet?
Yes. Reproduce the displayed equation with separate cells for each input, keep percentages as decimals, and test the spreadsheet against the worked example before replacing the sample figures.
Sources and methodology
This page uses the Beginners’ Guide to Financial Statements for the underlying financial or reporting context. Spreadsheet-related behavior is checked against Microsoft’s financial-function documentation. Examples are illustrative and use the formula displayed on the page.