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Life Progress Bar — 4000 Weeks

Inspired by the book "Four Thousand Weeks", this tool visualizes your life as a grid of weeks. Enter your birthdate to see how many weeks you've lived and how many remain — a powerful perspective tool.

Frequently Asked Questions

Why 4000 weeks?
The average human lifespan is roughly 4,000 weeks (about 76.7 years). Seeing your life as a finite grid of weeks can be a powerful motivator.
Is my birthdate stored?
No. Everything is calculated in your browser. We never store or send your personal data anywhere.

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