ROI Calculator
Use our free ROI Calculator to quickly estimate return on investment, based on key inputs like investment cost and total gain. Perfect for businesses, marketers, and investors.
ROI Formula
ROI shows how profitable an investment is relative to its cost. It's a simple, widely used metric for comparing opportunities.
How this ROI calculator works
This calculator estimates return on investment by subtracting your initial cost from your total return, then dividing by cost to get a percentage. It's a quick way to compare project profitability, marketing campaigns, or financial investments.
When to use this ROI calculator
Comparing business investments or marketing campaigns
Evaluating the profitability of new projects
Assessing stock market or real estate returns
Helping financial advisors present performance to clients
Budgeting and prioritizing projects by profitability
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Average Profit Margins by Industry
Understand how ROI varies across service industries. Below are typical net margin ranges:
Real Estate Investments
Stock Market (S&P 500 average)
Digital Marketing Campaigns
HVAC Contractors
Roofing Contractors
Plumbing Contractors
Construction/Contracting
These benchmarks help businesses and investors evaluate whether their ROI aligns with industry standards.
Frequently Asked Questions
It provides a straightforward percentage based on your inputs. For complex investments, use Net Present Value (NPV) or IRR.
ROI measures return relative to initial investment; margin measures profit relative to revenue.
Yes—enter your campaign cost and total revenue generated.
Absolutely. Use purchase price as cost and selling price (or gains) as return.
Yes—add recurring costs to the total investment for a more accurate ROI.
No—ROI is a simple percentage. Use IRR or NPV for time-adjusted returns.
It depends on the industry. For example, 7–10% is average for stocks, while marketing may require 200%+.
Pair it with ServiceAgent.ai to generate automated ROI reports and client proposals.