500.00% is the example result. Read it using the units and relationship stated below.
Email ROI uses email program cost, revenue generated.
Separating campaign efficiency from business profit
For email roi, the relationship is ROI (%) = (return − investment cost) ÷ investment cost × 100. The amount depends on the supplied email program cost, revenue generated, rather than a live market price or a value imported from another record. Campaign ratios depend on the event being counted. A click, a submitted form, a qualified opportunity and a paying customer are separate outcomes. Combine spend and events from the same campaign window before comparing acquisition costs.
What the model includes
ROI (%) = (return − investment cost) ÷ investment cost × 100. Attribution can credit revenue to several channels. Use one attribution definition for the comparison and keep refunds or cancelled orders consistent. An efficient advertising ratio can coexist with weak contribution after fulfilment. Read the result beside lead quality and the sales outcome. A lower cost is useful only when the counted event still represents the objective the campaign was built to achieve.
Example with the supplied inputs
Email program cost: 2000; Revenue generated: 12000. Result: 500.00%. The values are illustrative.
Compare one changed input
Email program cost changes from 2000 to 2200. The result becomes 445.45%. All other inputs remain fixed.
Calculation rule
ROI (%) = (return − investment cost) ÷ investment cost × 100.
Inputs and output
| Input | Example value | Entry convention |
|---|---|---|
| Email program cost | 2000 | Use email program cost on the currency and period basis shown by the formula. Keep gross amounts, net amounts and unit amounts distinct; the page does not fetch a price or exchange rate. |
| Revenue generated | 12000 | Use revenue generated on the currency and period basis shown by the formula. Keep gross amounts, net amounts and unit amounts distinct; the page does not fetch a price or exchange rate. |
Output: 500.00% is the example result. Read it using the units and relationship stated below. Use the formula to distinguish a cash amount, count, percentage or ratio.
How to use the page
Collect the inputs
Gather Email program cost, Revenue generated. Use one period and the units shown in the form.
Run the calculation
Enter the values and select the action. The calculation rule above explains how the inputs produce the result.
Compare a scenario
Change Email program cost on its own, keeping the other inputs fixed. Read both results before changing another assumption.
Worked example
With the example inputs listed above, the result is 500.00%.
Change Email program cost from 2000 to 2200 while keeping every other value fixed. The result becomes 445.45%. This comparison isolates that input; it does not forecast how other variables will respond.
Check the stated formula, units and limits before using the result in a decision.
Keep the displayed formula, input units and model scope with the result. Corrections or questions can be sent through the request section on this page.
Content updated: October 11, 2026