There are two measurements for suction power. We explain what they are, and how to find them for a specific vacuum.
https://www.techradar.com/home/vacuums/how-do-i-tell-how-much-suction-a-vacuum-cleaner-has
https://www.techradar.com/home/vacuums/how-do-i-tell-how-much-suction-a-vacuum-cleaner-has