A judgment or calculation of approximately how much or how many.

अनुमान

English Usage: The estimated reserve of natural gas is much higher than previously thought.

Hindi Usage: प्राकृतिक गैस के अनुमानित भंडार पहले से कहीं अधिक है।

To form an opinion about the amount, number, or value of something.

आकलन करना

English Usage: We need to estimate the costs before we proceed with the project.

Hindi Usage: हमें परियोजना को आगे बढ़ाने से पहले लागत का आकलन करना होगा।

Roughly calculated or approximated.

लगभग निर्धारित

English Usage: The estimated time of arrival is around 5 PM.

Hindi Usage: आने का अनुमानित समय लगभग 5 बजे है।