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Kalkulačka návratnosti marketingu (ROI)

Marketing ROI Calculator

Revenue generated (£)

Marketingové výdavky (£)

What is Marketing ROI Calculator?

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Marketing Return on Investment (ROI) measures the profitability of marketing campaigns relative to their cost. A positive ROI means the campaign generated more revenue than it cost. ROAS (Return on Ad Spend) is a related metric that shows gross revenue per pound spent on ads, without subtracting costs.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

Vzorec

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f(x)ROI = (Revenue − Marketing cost) / Marketing cost × 100

Variable Legend

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Symbol	Meno	Jednotka	Popis
ROI	(Revenue − Marketing cost) / Marketing cost × 100	—	(Revenue − Marketing cost) / Marketing cost × 100

How to Marketing ROI Calculator

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1ROI = (Revenue − Marketing cost) / Marketing cost × 100
2ROAS = Revenue / Marketing cost
3A ROAS of 4× means £4 of revenue for every £1 spent
4For accurate ROI, attribute revenue correctly to the campaign — use UTM tracking, CRM data

Worked Examples

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Example 1

Given:Spent £5,000 on Google Ads, generated £22,000 revenue

Výsledok:ROI: 340% · ROAS: 4.4×

(22,000 − 5,000) / 5,000 × 100 = 340%

Example 2

Given:Spent £10,000, revenue £8,000

Výsledok:ROI: −20% (loss) · ROAS: 0.8×

Negative ROI — campaign losing money

Real-World Applications

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Personal financial planning and budget setting

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Comparing loan options before signing agreements

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Understanding the true cost of borrowing over time

ROAS Benchmarks by Channel (UK 2024)

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Channel	Average ROAS	Good ROAS
Google Search Ads	2–4×	5×+
Google Shopping	3–5×	7×+
Facebook / Meta Ads	2–3×	4×+
Email Marketing	30–40×	40×+
SEO (content)	∞ (organic)	High long-term value

Frequently Asked Questions

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What is Roi Marketing?

Marketing Return on Investment (ROI) measures the profitability of marketing campaigns relative to their cost. A positive ROI means the campaign generated more revenue than it cost

How accurate is the Roi Marketing calculator?

The calculator uses the standard published formula for roi marketing. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Roi Marketing calculator use?

This calculator works with inches, British pounds. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Roi Marketing calculator use?

The core formula is: ROI = (Revenue − Marketing cost) / Marketing cost × 100. Each step in the calculation is shown so you can verify the result manually.

References

Len na informačné účely. Tento nástroj nepredstavuje finančné poradenstvo. Pred investičnými alebo finančnými rozhodnutiami sa poraďte s kvalifikovaným finančným poradcom.

Deep Dive

Read the full guide on how to use this calculator effectively

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Formula-verified for precision

Reviewed October 2026

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