Business ROI Calculator
The Business 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 business 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 business return on investment, ROI and payback period.
Net profit per year.
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ROI per year.
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Payback period.
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❓ Frequently Asked Questions
How much should a good ROI for a Thai business be?
Good ROI depends on the type of business. General business should have a ROI of at least 15-20% per year, higher than the loan interest rate and inflation rate.
How is ROI calculated?
ROI = (net profit ÷ investment) × 100% or ROI = (income - cost ÷ cost) × 100%. The higher the better.
How is ROI different from ROIC?
ROI is a measure of return on investment. ROIC is a measure of return on capital invested.
What is the payback period?
Payback Period = Investment ÷ Net Profit per Year is the number of years it takes to pay back the investment. Low risk business Payback 2-3 years Normal business 3-5 years
English calculator guide
How to use the Business ROI Calculator
Use this page to test a specific business 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 business roi estimate instead of relying on a generic example.
- Build a baseline business roi case with figures that match your situation.
- Run a second business roi case after changing the rate, period, quantity or other key assumption.
- Record the difference between the two business roi results and the input responsible for it.
Inputs for the business roi estimate
For this business 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 business roi result is calculated
The calculator projects value over time from the entered amount, rate, period and contribution assumptions. Reusing the same business roi inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a business roi decision
Confirm any current rate, threshold or provider rule that could change the final amount. For business 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