How many years did it take to build the pyramids?

Egyptian pyramids often took 10 years or more to complete. According to the Greek historian Herodotus, the Great Pyramid at Giza was built in 20 years by 100,000 workers and was meant to be a tomb for Pharaoh Khufu. read more

The Great Pyramid of Giza took between 20 and 30 years to build. It was built for the Pharaoh Khufu and was finished in about 2560 BCE, making it over 4,500 years old. It is near two other Pharaohs' pyramids, as well as being part of its own complex, with three smaller pyramids for Khufu's wives. read more

Assuming 20 years to build the pyramid of Khufu (2'500'000 stones) we calculate 342 stones that had to be moved daily (working during 365 days a year) or 431 stones daily (working during 290 days a year). read more