Question 1

How many weeks are in a human lifetime?

Accepted Answer

The average human lifespan is around 4,000 weeks (approximately 77 years). However, this varies significantly by country, sex, and lifestyle factors. Our tool uses UN World Population Prospects data to calculate your specific life expectancy based on your region and demographics.

Question 2

What is a life calendar or life grid?

Accepted Answer

A life calendar (or life grid) is a visual representation of your entire life, typically shown as a grid of weeks or months. Each square represents a unit of time, with filled squares showing time already lived and empty squares showing estimated time remaining. It's a powerful memento mori tool for gaining perspective on mortality.

Question 3

How is life expectancy calculated?

Accepted Answer

Life expectancy is calculated using actuarial data from the UN World Population Prospects 2024. The calculation considers your birth date, biological sex, and country of residence to provide an estimate based on statistical averages for your demographic group.

Question 4

What is memento mori?

Accepted Answer

Memento mori is a Latin phrase meaning "remember that you will die." It's a practice from Stoic philosophy that involves reflecting on mortality to live more intentionally. Visualizing your life in weeks is a modern memento mori practice that helps put time in perspective.

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