Meaning of “estimate” - Learner’s Dictionary

estimate

verb [ T ] us uk /ˈestɪmeɪt/
Worldwide, it is estimated that 100 million people are seriously overweight.He estimated annual fuel costs at about $6000.It is difficult to estimate how many people will be affected.We estimated it would take three years to complete the project.Officials estimated that at least 5000 people have died in the earthquake.

B2 to guess the cost, size, value, etc of something:

[ + that ] They estimate that a hundred people were killed in the accident.
The number of dead is estimated at a hundred.
estimated adjective

B2

an estimated cost

(Definition of “estimate verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)