Enter your monthly traffic, current star rating, and average order value. We'll show you exactly how much revenue you're leaving on the table — and what improving to 4.5★ would mean in pounds.
| Rating | Label | Est. Conv | Revenue | vs. Now |
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How we calculate this: Conversion rate uplifts are based on published research from Spiegel Research Centre, Northwestern University, and Trustpilot's own business impact studies. We use industry-adjusted baseline conversion rates and apply documented uplift coefficients per star rating band. Your actual results may vary.
The psychology behind star ratings is deeply rooted in social proof and the "herd mentality." In a digital landscape where customers cannot physically touch or trial a product before purchase, they rely on the collective experience of others as a primary proxy for quality and trust. When a potential customer sees a high rating, their brain registers it as a signal of safety, significantly reducing the cognitive load and perceived risk of the purchase decision.
Studies have shown that moving from a 3-star to a 4-star rating can increase conversion rates by as much as 25%, as buyers today are conditioned to ignore products or services that fall below the "3.5★ Threshold." This phenomenon, known as the "review filter," means that businesses with lower ratings are effectively invisible to a large segment of the market. High ratings build buyer confidence before they even land on your product page, creating a positive halo effect that carries through the entire checkout process.
Furthermore, Trustpilot ratings carry a unique authority because they are verified and transparent. When your rating hits the 4.5★ "Excellent" mark, it transforms your brand from a risky option into a market leader. This trust translates directly into lower bounce rates, higher average order values, and significantly lower customer acquisition costs (CAC), as your marketing spend becomes more efficient when driving traffic to a high-trust destination.
The conversion rate uplifts are based on aggregated research data. Actual results vary by industry, traffic quality, and product type — but the directional impact is well-documented and consistent.
Leave it blank and we'll use the average for your selected industry as a starting point. If you have your actual data from Google Analytics, entering it will give you a more precise revenue gap calculation.
The conversion impact of review ratings applies across all major platforms (Google, Yelp, G2). However, Trustpilot's integration with Google Ads means the impact on paid traffic is particularly strong.
Use our Rating Calculator for the precise number based on your current review count and distribution. This tool will help you set realistic growth targets.