10,000-hour mastery calculator
The "10,000 hours" idea isn't a scientific guarantee — but it's a fun way to see the road ahead.
Hours you've already practiced
How much do you practice?
hours / day
hours / week
Hours logged
Hours to go
Per week
Years to mastery at your pace
that's around
Want a target instead?
I want to get there in this many years
Needed / week
Needed / day