How does Weekwise calculate my weeks?

Weekwise calculates weeks lived by dividing the difference between your birth date and today by 7 days (in milliseconds), then rounding down. It clamps the result between 0 and your total lifespan weeks.

Yes — 100%. All profile data, milestones, and settings are stored exclusively in your browser's localStorage. Nothing is ever transmitted to any server.

Can I track milestones for multiple people?

Absolutely. You can create as many profiles as you like — for yourself, family members, or friends — each with their own birth date, lifespan, and milestones.

What lifespan should I use?

The default is 80 years, but you can set any value from 1 to 120 years. Many people use 80–90 as a realistic estimate, though the choice is entirely personal.

Life Visualization Tool

See Your Life
in Weeks

Your life is finite. A human lifespan is roughly 4,000 weeks. Visualize yours — past, present, and future — and start living with intention.

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Multiple Profiles

Create separate life grids for yourself, family members, or anyone you care about.

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Milestone Markers

Pin meaningful events to specific weeks — birthdays, graduations, travels, and goals.

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Fully Private

All data stays in your browser via localStorage. Nothing is ever sent to a server.

Frequently Asked Questions

Everything you need to know about Weekwise.

See Your Lifein Weeks

Multiple Profiles

Milestone Markers

Fully Private

Frequently Asked Questions

See Your Life
in Weeks