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Project ROI Calculator

Estimate your project's return on investment by comparing total gains, total costs and project duration.

Your Details

Overview

A project ROI calculator helps you estimate whether a project may be worth pursuing by comparing its upfront cost, ongoing monthly costs and expected monthly financial benefit over a chosen time period. It can be useful for evaluating internal business projects, marketing campaigns, equipment purchases or process improvements.

How it works

This calculator adds your upfront cost to the total of all monthly running costs over the selected duration to estimate total cost. It also multiplies your monthly benefit by the number of months to estimate total benefit. Net profit is total benefit minus total cost, and ROI is net profit divided by total cost, shown as a percentage. Payback period estimates how long it may take for monthly net benefit to recover the initial cost.

How to use this calculator

  1. 1Enter the upfront cost required to start the project.
  2. 2Add the expected monthly running or maintenance cost.
  3. 3Enter the estimated monthly financial benefit, revenue or savings.
  4. 4Set the number of months you want to evaluate.
  5. 5Review the ROI, net profit, total cost and payback period.

Example Calculation

Initial project cost

$10,000

Ongoing monthly cost

$500

Monthly benefit or revenue

$1,500

Project duration

12

ROI

12.5%

With a 10000 upfront cost, 500 in monthly costs and 1500 in monthly benefit over 12 months, total cost is about 16000, total benefit is about 18000, net profit is about 2000 and ROI is about 12.5%.

Frequently asked questions

What does this Project ROI Calculator estimate?

It estimates total cost, total benefit, net profit, ROI percentage and payback period for a project over a selected number of months.

How is project ROI calculated?

ROI is calculated as net profit divided by total cost, multiplied by 100. Net profit is total benefit minus total cost.

What counts as project benefit?

Project benefit can be additional revenue, cost savings or other financial gains that you expect the project to generate.

What is the payback period?

The payback period is the estimated number of months it takes for the project's monthly net benefit to recover the initial upfront cost.

Should I include tax and financing costs?

This version does not include tax, borrowing costs or inflation automatically, so include them in your estimates if they matter to your decision.

Can I use this calculator for business and personal projects?

Yes. It can be used for many types of projects as long as you can estimate the upfront cost, ongoing cost and expected financial benefit.

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Assumptions and warnings

Assumptions

  • All benefits and ongoing costs stay consistent throughout the selected project duration.
  • The calculation treats monthly benefit as a financial gain, revenue or savings figure entered by the user.
  • Taxes, financing costs, inflation and discount rates are not included.
  • Results are estimates and depend on the accuracy of your projected costs and benefits.

Warnings

  • This calculator provides an estimate only and is not financial advice.
  • Use realistic projections, as small changes in costs or benefits can significantly affect ROI.