All of humanity stands shoulder to shoulder, 4 people per m². How many km² do they need?

How close can you get? Make your own guess and earn points before you look at the answer.

Guess it yourself and earn points

Show the answer and the reasoning

The answer

2,075 km²

About 2,075 km². All of humanity fits into Luxembourg.

How to get there

1. 8.3 billion ÷ 4 = 2.075 billion m²
2. 2.075 billion m² ÷ 1 million = 2,075 km²

Source: Calculation with 8.3 billion people

More estimation questions

How many trees are there on Earth per person?How many kilometres does a person walk in 80 years at 7,500 steps a day?How many people must hold hands to reach once around the equator?How many steps does it take to walk once around the Earth?How much buying power do 100 euros have after 50 years of 2% inflation?

Diese Frage auf Deutsch

Pixcess is the free estimation game without ads. How Pixcess works