Advertising ROI Calculator
The Advertising ROI 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 advertising roi figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.
[updated year 2026]
Calculate return on advertising investment ROAS and cost per conversion
ROAS
-
CPA (Cost Per Conversion)
-
ROI of advertising.
-
❓ Frequently Asked Questions
How much is a good ROAS for Facebook ads?
Good ROAS for Facebook Ads is generally 3-5x (all 1 baht earn 3-5 baht) but depending on the margin of the product, a high margin business may accept lower ROAS
What's the difference between CPM, CPC, CPA?
CPM = Cost Per Impressions 1,000 Measures perception CPC = Cost Per Click Measures interest CPA = Cost Per Conversion Measures actual results
Should I advertise on Facebook or Google?
Facebook is good for brand awareness, B2C products create demand, Google is good for B2B products and products that people already know, so use both together.
What should be the minimum advertising budget?
Facebook Ads starts at 300-1,000 baht/day Google Ads starts at 500-2,000 baht/day for data storage at least 30 days per campaign
English calculator guide
How to use the Advertising ROI Calculator
Use this page to test a specific advertising roi 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 advertising roi estimate instead of relying on a generic example.
- Build a baseline advertising roi case with figures that match your situation.
- Run a second advertising roi case after changing the rate, period, quantity or other key assumption.
- Record the difference between the two advertising roi results and the input responsible for it.
Inputs for the advertising roi estimate
For this advertising roi 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 advertising roi result is calculated
The calculator projects value over time from the entered amount, rate, period and contribution assumptions. Reusing the same advertising roi inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a advertising roi decision
Confirm any current rate, threshold or provider rule that could change the final amount. For advertising roi, 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