How is the buffer suggestion calculated?

It looks at your average actual-to-estimate ratio across all logged tasks. If you typically take 1.5x longer than estimated, the tool suggests budgeting 150% of your estimate next time — so if you think something will take 30 minutes, you'd plan for 45 minutes.

Yes. All your time logs are stored only in your browser's localStorage. Nothing is uploaded to any server. You can clear all data at any time with the 'Clear all data' link.

Time Blindness Visualizer

NEW

How long do things actually take? Log your estimates vs. reality and see the patterns. No judgment — just data to help you plan better.

Log a Time Estimate

Task name

Your estimate (min)

Actual time (min)

Estimated vs Actual Time

No tasks logged yet. Add one above.

Send output to:

How to use Time Blindness Visualizer

Enter a task name, your time estimate in minutes, and (after completing it) the actual time it took.
Click 'Log Task' to add it to your chart and see the estimate vs. actual comparison.
Review the bar chart to spot patterns — are you consistently underestimating certain types of tasks?
Check the stats panel for your average underestimation ratio and the personalized buffer suggestion.

What is Time Blindness Visualizer?

Time blindness is one of the most common and frustrating aspects of ADHD — the difficulty sensing how long tasks actually take. You might think writing an email takes 5 minutes when it regularly takes 20. Over time, this leads to overcommitting, lateness, and feeling like you never have enough time.

This tool helps you build self-awareness by logging your time estimates alongside the actual time tasks took. The horizontal bar chart makes the comparison visual and intuitive. The tool calculates your average underestimation ratio and gently suggests a buffer: if you typically underestimate by 1.5x, it recommends planning for 150% of your initial guess next time.

FAQ

What is time blindness?: Time blindness is the difficulty perceiving how much time has passed or accurately estimating how long tasks will take. It's very common with ADHD and can lead to chronic lateness, missed deadlines, and overcommitting. This tool helps you build awareness by comparing your estimates to reality.
How is the buffer suggestion calculated?: It looks at your average actual-to-estimate ratio across all logged tasks. If you typically take 1.5x longer than estimated, the tool suggests budgeting 150% of your estimate next time — so if you think something will take 30 minutes, you'd plan for 45 minutes.
Is my data private?: Yes. All your time logs are stored only in your browser's localStorage. Nothing is uploaded to any server. You can clear all data at any time with the 'Clear all data' link.

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Last updated: 2026-06-05