The average Viking was 8-10 cm (3-4 inches) shorter than we are today. The skeletons that the archaeologists have found, reveals, that a man was around 172 cm tall (5.6 ft), and a woman had an average height of 158 cm (5,1 ft). ... The height of a Viking is often mentioned by the people they came in contact with.
Why were the Vikings so strong?
One of the reasons for this was the Vikings' superior mobility. Their longships – with a characteristic shallow-draft hull – made it possible to cross the North Sea and to navigate Europe's many rivers and appear out of nowhere, or bypass hostile land forces.
How did Vikings really look like?
“From picture sources we know that the Vikings had well-groomed beards and hair. The men had long fringes and short hair on the back of the head," she says, adding that the beard could be short or long, but it was always well-groomed. Further down on the neck, the skin was shaved.