Realistic time estimate calculator

Quick answer: gut-feel estimates usually leave out getting started, switching, interruptions and wrap-up. Enter your guess, choose what applies, and this calculator adds those pieces back so the block you put in your calendar is honest. It runs in your browser.











Why gut estimates run short

When we picture a task we tend to picture the doing, not the setting up, the switching or the tidy-up. The multipliers here are simple starting points you adjust, not research figures: the best buffer is the one your own tracked times suggest.

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