| New reviews | Average | On Google |
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About the Google Rating Calculator
The Google Rating Calculator answers the question every business owner asks: how many 5-star reviews do I need to get from 4.3 to 4.5? Unlike simple calculators it uses Google's rounding: a displayed 4.3 means a true average between 4.25 and 4.35, so the answer is a range — or one exact number if you enter your star breakdown.
Add a realistic average for new reviews and how many you get per month, and you also see how long it will take. Below, the calculator shows what a single 1-star review does to your rating and how many 5-star reviews make up for it. For more reviews, start with a direct link from the Google Review Link Generator.
Google shows the average of all published ratings, rounded to one decimal. A listing showing 4.7 can really be anywhere from 4.65 to just under 4.75 — that is why the calculator works with this range when you only know the displayed value. Reviews that Google filters or removes don't count.
Because the displayed value is rounded. If you know how many 5-, 4-, 3-, 2- and 1-star reviews you have, switch to “Star breakdown” — then the calculator knows your exact average and gives one exact number.
A displayed 5.0 needs a true average of at least 4.95. A single 4-star review needs 19 five-star reviews next to it, a single 1-star review 79. Aiming for a high 4 with many recent reviews is usually the better goal — readers trust a 4.8 with 200 reviews more than a 5.0 with eight.
Only if that is realistic. If your recent reviews average 4.6, set that as the assumption — otherwise the forecast is too optimistic. If the assumed average is not higher than the target, the calculator tells you the target cannot be reached that way.
Ask every customer right after the service, with a direct link — that is what makes the difference. Create the link with the Google Review Link Generator, a QR card with the Review QR Code & Card Maker and the message with the review request templates.