Skip to main content
Financial planning desk with calculator, documents and money for calculating taxes or income.Tax, income and finance
KamnuanlekOS

Calculate ROI Email Marketing

Calculate return on email advertising.

Business/Start-upVerifiable formulaYou can save and share results.
Calculate age todayyear month dayCalculate electricity billPEA/MEA + Ftnet salaryAfter tax + SSOPayroll tax + SSONet money + payroll

ROI Email Marketing Calculator

The ROI Email Marketing Calculator estimates a investment and time value estimate for your scenario from the quantities, rates, period, units and other assumptions requested on the page. Replace the example values with your own roi email marketing figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.

Calculate the ROI of Email Marketing, evaluate the Open Rate, Click Rate and profitability

Email Marketing: Maximum ROI, Lowest Cost

Email Marketing has the highest ROI (30:1 up) and the lowest cost in digital marketing. Customers have higher efficiency of email than Social Media Ads.

Frequently asked questions

What do you think about email marketing ROI?
ROI = (Sales - Email Platform Cost) ÷ Value × 100 Cheapest Email Email Platform Cost 0-500 baht/month Most ROI 30:1 or more Makes it the most valuable channel
What should the Open Rate and Click Rate be?
Open Rate General 15-25% Click Rate 2-5% If lower than this, you need to improve Subject Line, Content, CTA E-commerce may be lower (10-15%) B2B may be higher (25-40%)
Which type of email marketing has the best ROI?
Welcome Series New Customers 30-40% Profit, Abandoned Cart 20-30%, Product Recommendation 15-25%, Newsletter 5-10% Segmentation Important Send Email According to Customer Behavior
How to Improve Email ROI?
Subject Line: Make the customer interested Multiple Tests Personalization: Use personal names Segment: Send emails by category CTA: Clear Create Urgency Timing: Send whenever possible Open maximum
Check before using results

Summary before deciding

This calculation result is suitable for preliminary planning. Actual figures should be checked from documents or official sources before making important decisions.

  • The calculation is based on the information you enter on this page.
  • Special cases may require additional information.
  • It is recommended to record or compare the results with the related tools below.
Calculation method and references

Related manuals and tools

Financial calculator centerPopular calculatorsHelp choose a calculator
Disclaimer: The calculations are estimates, depending on the quality of the list and the contents.

English calculator guide

How to use the ROI Email Marketing Calculator

Use this page to test a specific roi email marketing scenario. Enter your own values in the calculator above, review the units beside each field, and recalculate after changing an assumption. The result updates the roi email marketing estimate instead of relying on a generic example.

  1. Build a baseline roi email marketing case with figures that match your situation.
  2. Run a second roi email marketing case after changing the rate, period, quantity or other key assumption.
  3. Record the difference between the two roi email marketing results and the input responsible for it.

Inputs for the roi email marketing estimate

For this roi email marketing calculation, check the quantities, rates, period, units and other assumptions requested on the page. The result is designed to show a investment and time value estimate for your scenario, not a guaranteed provider price or official decision.

How the roi email marketing result is calculated

The calculator projects value over time from the entered amount, rate, period and contribution assumptions. Reusing the same roi email marketing inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.

Checks for a roi email marketing decision

Confirm any current rate, threshold or provider rule that could change the final amount. For roi email marketing, Use the result as a commercial planning estimate. Confirm supplier prices, payment-provider fees, taxes, minimum charges and contract terms before setting a price or budget. Check the important inputs and any current provider or authority rules before using the result for a decision.

Language QA
Terminology, numeric values and calculator controls checked
Calculator scope
Investment and time value
Last English review
26 July 2026

Responsibility for content

Creator and reviewer

Creator
Kamnuanlek editorial team
reviewer
Kamnuanlek recipe and resource review team
Check out the latest accountability system.

Review formula structure, test cases, data sources, effective dates, and risk language accordingly.How to check our · There is no claim that an outside professional reviewed it. Unless the page directly states the name and qualifications. This content is therefore not individual advice.

Found an error or information has been changed? When contacting, please include the URL and a verifiable reference.Learn how to report and save edits. · Contact the team