Estimate can combine with several prepositions, but each has a different meaning and grammar pattern.
Use estimate at for amounts or values, estimate by for methods or measurements, estimate for for a planned cost or service, estimate from for sources of information, and estimate in mainly for judging skill or character in someone.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
At is commonly used for prices, totals, sizes, and quantities.
By introduces the method or basis used for estimating.
Estimate for often refers to a quotation or expected expense.
From introduces the information used to form the estimate.
In can appear when talking about qualities seen in a person, but this use is less common.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
At is for values, not techniques.
✕ They estimated the distance at comparing the maps. ✓ They estimated the distance by comparing the maps.For introduces the purpose or service; at gives the amount.
✕ The repairs were estimated for $3,000. ✓ The repairs were estimated at $3,000.Choose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
At is the standard choice for estimated amounts and values.
Yes. Estimate by is used when explaining how the estimate was made.
It is less common and usually appears when talking about qualities seen in a person.
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