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Free tool

Time Estimate Calibrator

Log how long you think tasks take versus how long they really take, and find your personal time multiplier.

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How to use it

  1. Write a task and your estimate.
  2. Start the stopwatch, or type the actual time when done.
  3. After a few entries, see your multiplier.

Why it helps with ADHD

Your sense of time may be off, but your data isn’t. A personal multiplier makes planning more realistic.

Everything you type stays in your browser on this device. Nothing is sent to us.

Learn more

Articles that use this tool

Time & time blindness

ADHD Deadline Planning: 6 Moves That Prevent the Last-Minute Panic

If you only work at the last minute, these six moves turn one scary deadline into a series of small, earlier ones your brain can feel.

Time & time blindness

ADHD Time Blindness: What It Is and How to Make Time Visible

Why time slips away with ADHD, what “time blindness” means, and practical ways to see, estimate and manage time more reliably.

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