A collection
Tools
Free calculators and interactive tools from The Mind Wanders.
Tools
Pomodoro Calculator: How Many Focus Sessions to Finish a Task
Free Pomodoro calculator: enter how long a task will take and it works out the number of focus blocks, the breaks in between and the time you will actually finish.
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Tools
Caffeine Half-Life Calculator: When to Stop Drinking Coffee
A caffeine half-life calculator that estimates how much caffeine is left in your body at bedtime and the latest time to have a coffee so it does not wreck your sleep.
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Tools
Distraction Cost Calculator: How Much Time Interruptions Really Cost You
A distraction cost calculator that turns daily interruptions into the focused hours you lose each week and year, based on the time it takes to refocus after a break.
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Tools
Sleep Cycle Calculator: What Time Should You Go to Bed?
A sleep cycle calculator that works out the best bedtimes to wake at the end of a 90-minute cycle instead of mid-cycle, so you wake clearer and protect daytime focus.
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Tools
Task Time Estimate Calculator: How Long a Task Will Really Take
A task time estimate calculator that corrects your gut guess for the planning fallacy, factoring in interruptions and how unfamiliar the work is, so you plan a realistic finish time.
ReadBox Breathing Timer: A Guided 4-4-4-4 Breathing Exercise
A free box breathing timer that guides your inhale, hold, exhale and hold on screen, counts your rounds and tells you how long the session takes. Includes 4-4-4-4, 4-7-8 and a slow coherent pattern.
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