Website optimisation ROI calculator & business case template
Thinking about experimenting with your website, but need to justify the investment? You’re in the right place.
Use our free ROI calculator to estimate the potential revenue uplift from improving your site’s performance. And if you’re ready to take the next step, we’ve created a proven business case template to help you get internal buy-in and move forward with confidence.
Estimate the financial impact of optimisation
Even small improvements to your website’s conversion rate can generate big results, especially at scale.
Use this free calculator to:
- See how conversion rate changes affect monthly revenue.
- Quantify the value of investing in experimentation.
- Create credible numbers to support your business case.
ROI calculator
Estimate the impact of conversion rate changes on revenue. Adjust the four inputs — results update instantly and are not stored.
Your inputs
Revenue change
| Metric | Value |
|---|---|
| Current revenue | — |
| Current transaction quantity | — |
| Estimated new revenue | — |
| Revenue change | — |
| Revenue change (%) | — |
Figures shown are monthly and for guidance only.
Ready to build your business case?
Download our editable Business Case Template (PPTX)
When you’re ready to take the next step, this PowerPoint template will help you pitch experimentation internally.
- Editable format with guidance notes, examples, and prompts.
- Built for digital, marketing, CX and product teams.
- Designed to influence decision-makers, not just inform them.
Want to learn how to use these tools?
Watch our free, on-demand webinar and learn how to position experimentation as a strategic, data-led decision-making tool. Plus, we cover how to use the ROI calculator and business case template effectively.
Learn more about our optimisation services
Explore how we support our clients across strategy, delivery, and continuous improvement.
Conversion Rate Optimisation
Improve user journeys, reduce friction, and boost conversions through iterative, data-led testing.
Website Data & Analytics
Build the measurement foundations needed for optimisation, reporting, and strategic decision-making.
Content Strategy & Copywriting
Test and refine the words that drive user action — from headlines and calls to action, to messaging hierarchy and tone.
Website Support & Optimisation
Ongoing technical, UX and performance support to keep your site healthy, effective, and always improving.
Book a free consultation
Need help putting this into action?
If you’re ready to turn ideas into experiments, or just need clarity on where to begin, our optimisation team is here to help.
We’ll help you uncover opportunities, prioritise action, and build internal momentum – without the guesswork.