Business Calculators
ROI Calculator
Calculate ROI, net gain, return multiple, annualized ROI, and project return scenarios.
Enter the values and review the result.
The original cost, investment, campaign spend, or project budget.
The amount received back or ending value.
Calculation assumptions
- *ROI compares net gain or loss with the original investment cost.
- *Annualized ROI spreads the return across the time period entered.
- *This calculator is for planning and educational estimates only. It does not include taxes, fees, risk, inflation, or investment advice.
Enter your values and press Calculate.
Results and breakdowns will appear here after a valid calculation.
What the ROI Calculator Measures
ROI measures return compared with the initial investment. It turns a dollar gain or loss into a percentage so business projects, marketing campaigns, and investment outcomes are easier to compare.
ROI Formula
Basic ROI uses ROI = ((Final Value - Initial Investment) / Initial Investment) x 100.
Net Gain = Final Value - Initial Investment. A $1,000 investment that becomes $1,250 has a $250 gain and a 25% ROI.
Annualized ROI Formula
Annualized ROI uses ((Final Value / Initial Investment) ^ (1 / Years)) - 1. It is useful when comparing returns with different holding periods, such as a 10% return in six months versus a 10% return in two years.
ROI Examples
Business project: spending $5,000 on equipment that creates $6,500 of value gives a $1,500 net gain and 30% ROI.
Marketing campaign: spending $2,000 and receiving $2,800 back gives $800 net gain and 40% ROI, before fees, labor, refunds, or overhead.
Loss example: a $1,000 investment ending at $800 has a -20% ROI and a 0.80x return multiple.
ROI vs Profit
Profit is the dollar gain. ROI is the percentage return relative to cost. A $500 profit can be excellent on a $1,000 cost, but modest on a $50,000 cost.
Common ROI Mistakes
- Forgetting fees, taxes, financing costs, refunds, or ongoing costs.
- Comparing different time periods without annualizing.
- Using revenue instead of profit or net return.
- Ignoring risk, inflation, cash-flow timing, and opportunity cost.
- Treating past ROI as guaranteed future performance.
Planning Links and Limitations
This calculator is for planning and educational estimates only. It does not include taxes, fees, risk, inflation, or investment advice.
For related planning, compare the Profit Margin Calculator, Break-even Calculator, Compound Interest Calculator, and Investment Calculator.
Browse more tools in Finance Calculators and Business Calculators.
Quick answers
What this calculator answers
- Result: Calculate ROI percentage, net gain, final value, and return multiple.
- Annualized ROI: Use the annualized mode to compare returns across different time periods.
- Related guide: Review ROI examples and limitations before comparing results. ROI calculator guide
Transparency note
Accuracy and limitations
Calzivo tools are built for practical estimates, conversions, and checks. Some tools use standard formulas or simplified assumptions, and results can be affected by input accuracy, rounding, units, local rules, or changing official requirements.
Results depend on the values you enter and any simplified assumptions used by the tool. Verify important results before making decisions or submitting official information.
How to Use This Tool
Use these steps to enter the right inputs and interpret the result correctly.
Choose basic ROI, ROI from net gain, or annualized ROI.
Enter the initial investment and either the final value or net gain.
For annualized ROI, enter the holding period in months or years.
Review ROI, net gain or loss, final value, return multiple, formula substitution, and scenario table.
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Related Guides
Background reading and explanations related to ROI Calculator.
Frequently Asked Questions
Common questions about ROI Calculator and how to read the result.
What is ROI?
ROI stands for return on investment. It compares net gain or loss with the original investment cost.
What is the ROI formula?
ROI = ((Final Value - Initial Investment) / Initial Investment) x 100. You can also calculate ROI from net gain as Net Gain / Initial Investment x 100.
What is a good ROI?
It depends on risk, timing, industry, cost of capital, and alternatives. A higher ROI is not automatically better if it takes longer or carries more risk.
What is the difference between ROI and profit?
Profit is a dollar amount. ROI is a percentage that compares that profit with the original cost.
Can ROI be negative?
Yes. ROI is negative when the final value is lower than the initial investment or when net gain is a loss.
What is annualized ROI?
Annualized ROI spreads the return across a yearly rate, which helps compare returns with different holding periods.
Does this calculator include taxes or fees?
No. Taxes, fees, risk, inflation, financing costs, and other expenses are only included if you account for them in the values you enter.