**Work expands to fill the time available to do it.** # Parkinson’s Law > [!tldr] 👉 “Work expands so as to fill the time available for its completion.” - Parkinson's Law A ten minute task will take an hour if that’s the amount of time that was given. I think the reverse implication is also true. Due to the [[Law of Diminishing Returns]] , a task that truly takes an hour may be more than 10% done if you’re only given 6 minutes to complete it. **** ## Source ## Related - [[Set Impossibly Short Deadlines]] - [[Law of Diminishing Returns]]