On my M1 MacBook Air I can check the “Screen On Usage” for the last 10 days:
What I would be interested in is how much time I spent actively using the machine since I last charged to 100%.
Of course I could combine the information visible here, and try to estimate from the bar chart how many minutes I have spent per day – but this is tedious and not very exact, as the axis of the lower graph only shows intervals of one hour.
Is there any better way to get this information without having to resort to commercial apps? Obviously the information I need is available, but I do not know where to find it.