How many cells make up a human body?

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

30 trillion cells

30 trillion cells. That is 3,600 times the number of people on Earth.

How to get there

1. Research estimate: about 30 trillion

Source: Sender et al., PLOS Biology 2016

More estimation questions

In how many ways can you arrange 10 books on a shelf?How many watts does your brain use?How many litres of water does a single cup of coffee take, from the bush to the cup?A high-speed train runs non-stop to the Moon at 300 km/h. How many days does the trip take?How many kilometres does the Moon travel along its orbit in one day?

Diese Frage auf Deutsch

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