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Prepositions after verbs

Calculate by, in, or from

Calculate often combines with by for methods and from for source information. In usually refers to units or formats.

Quick answer

Using calculate with prepositions

Use calculate by for a method, calculate from for source data, and calculate in for units or currency.

The cost was calculated by weight.
We calculated from last year's figures.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
calculate by + method

Method of calculation

By introduces the method or basis.

Tax is calculated by income level.
2
calculate from + data

Source information

From shows the information used.

They calculated from the survey results.
3
calculate in + units

Units or currency

In introduces units, percentages, or currency.

The budget was calculated in euros.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
calculate by
Interest is calculated by formula.
using a method
calculate from
Scientists calculated from the measurements.
using source data
calculate in
Costs are calculated in dollars.
using units or currency

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using in for source data

Use from for the information used in a calculation.

✕ We calculated in the statistics. ✓ We calculated from the statistics.

Omitting the needed preposition

Some contexts need a preposition for clarity.

✕ The fee is calculated annual income. ✓ The fee is calculated by annual income.

Quick practice

Choose the expression that matches the intended meaning.

1. The rate is calculated ___ body weight.
2. They calculated the average ___ the raw data.
3. The prices are calculated ___ yen.

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Frequently asked questions

What is calculate from used for?

It introduces the data or information used in the calculation.

Can calculate in refer to language?

Usually it refers to units, currency, or numerical systems.

Is calculate by common?

Yes, especially for methods, formulas, and criteria.

"call for" or "call on"? "campaign for" or "campaign against"? cancel by, due, at, in or for? capitulate to, in, like, by or after? captivate by, for, with, from or in? "capture by" or "capture in"? "care about" or "care for"? carry with, by, in, to or into? carve into, out, in, on or with? cast in, into, for, by or on? "catch in", "catch by" or "catch on"? categorize into, by, as, in or under?

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