Play with the numbers, calculate cutting times.
The below is a great ESTIMATING tool for how long it will take to cut your lawn. The efficiency scale is how much of the cutting blade is being used. A little confusing.
Robot Mower Efficiency Calculator
Accounts for turning, path overlap, and navigating around obstacles.
Theoretical Max: 0 Sq Ft / Hr
Real-World Coverage: 0 Sq Ft / Hr
Time to Cut (1.0 Acres): 0 Hours