Prepositions with nouns

Using prepositions with “euro”

Use “in euro” or more commonly “in euros” when talking about currency amounts. “Of euro” is not a standard English combination.

Quick answer

Which phrase is correct with “euro”?

Use “in euros” for prices, payments, or values expressed in the European currency. “In euro” can appear in headlines or financial style, but “in euros” is more natural in general English. “Of euro” is not standard.

The fee is listed in euros.
All accounts are kept in euro.
Prices increased in the euro area.

Choose the pattern by meaning

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

1
in euros

Expressing values and prices

Use this common pattern for amounts of money.

The contract is valued in euros.
Please pay in euros if possible.
2
in euro

Using financial or headline style

Some business contexts use the singular form to refer to the currency system.

The report presents earnings in euro.
Several bonds are issued in euro.
3
the euro

Referring to the currency itself

Use “the euro” when naming the currency as a system or unit.

Many countries adopted the euro in the early 2000s.
Investors are watching the euro closely.

See the difference in context

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

Construction
Example
Meaning
in euros
The tickets are priced in euros.
amounts expressed in the currency
in euro
The figures are reported in euro.
financial or technical style referring to the currency
of euro
a rise in euro demand
“of euro” is not a standard direct combination
the euro
The euro gained value today.
the currency itself

Common mistakes

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

Using “of euro” for currency amounts

English normally uses “in euros” instead.

✕ The salary is of euro. ✓ The salary is paid in euros.

Using singular “euro” in everyday prices

General English usually prefers the plural for amounts.

✕ The hotel charges in euro. ✓ The hotel charges in euros.

Omitting the article with the currency name

Use “the euro” when naming the currency system.

✕ Euro became stronger. ✓ The euro became stronger.

Quick practice

Choose the expression that matches the intended meaning.

1. The invoices are calculated ___ euros.
2. Many analysts are studying ___ euro.
3. The company reports revenue ___ euro.

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Frequently asked questions

Is “in euro” correct?

Yes, especially in financial writing, although “in euros” is more common in everyday English.

Why is “of euro” unusual?

English does not normally use “of” directly before “euro” in this meaning.

Should I say “euro” or “euros”?

Use “euros” for amounts of money and “the euro” for the currency itself.

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