this post was submitted on 08 Oct 2025
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why does mouse acceleration even exist
Try using a trackball/trackpad with accel turned off
I do keep it on for touchpads, they are too small to used without it. But with a mouse with proper hand space, it's just more consistent to have it off.
With the right curve accel is not necessarily less consistent.
I've used linear acceleration, a limit of 2.0 and an for me suitable offset with the same consistency as without. This is because the acceleration is kicking in only after an acceleration threshold (offset) has been passed. So unless I really yank my arm, there's no difference between having accel on and off.
The result is that normal aiming (tracking, small flicks) benefits of exactly the same muscle memory with and without accel on.
You can think of it as having two sensitivities: one for tracking, and one for quick 180° turns. Because of the linear increase in sensitivity between the two sensitivities (one caused by the offset, the other one set by the limit), it feels quite natural and not like "traditional" mouse accel.