How did ancient people measure weight?

Answer 1

to measure the length, they used their feet or hands. but it was not accurate because not everyone had the same foot / hand size.

to weigh something, they used rocks. the incas used a rope with random intervals of knots and colors to record information especially in math for accounting and equations

Answer 2

ancient people took a hard rod , chain and a type of a bowl.they made two holes on the bowl and tied it with the chain.Then they would keep the thing they want to check and keep stones of that much kg

Answer 3

yes. they had a special tool called a plumb ball