Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
usd
Grammar usage guide and real-world examplesUSAGE SUMMARY
"USD" is a correct and usable acronym in written English.
It is an abbreviation for the United States dollar, which is a currency used throughout the world. Example Sentence: The cost of the item was $50 USD.
✓ Grammatically correct
News & Media
Encyclopedias
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
55 human-written examples
Enlisting the help of 73 students, scientists from Iowa State and Cornell Universities found that subjects gave themselves 11.9 per cent more wine if they usd a wider a glass, and drank 12.2 per cent more if they held the glass while pouring, The Daily Express reported.
News & Media
The costs of dealing with such a crisis would be astronomical; estimates suggest it could cause a reduction of 2% to 3.5% in global Gross Domestic Product (GDP) and cost the world up to $100 trillion USD.
News & Media
In a brief filed in the case, the banks assert that if merely having economic exposure to the dollar-based Libor, or USD Libor, is enough to be part of suit, then "there is no limit to potential plaintiffs, because anyone, with respect to any transaction, might choose to reference USD Libor".
News & Media
The Pakistan Army claimed 99 million USD over past 12 months for medical operations … Yet … the Inspector General of the Frontier Corps has repeatedly requested U.S. assistance in providing assets for medevac, obviously unaware of the resources the U.S. has provided.
News & Media
Participation rate 62% #usd January 10 , 20141.32pm GMT US unemployment data released.
News & Media
U.S. exports to India has increased five-fold from USD 3.6 billion in 2000 to USD 17.7 billion last year.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
Saudi MinPet: "Blame it on the Weak Dollar" 13. (C) The Saudi Ministry of Petroleum has noted to us in RIYADH 00000868 004 OF 004 consultations throughout 2007 and in January 2008 that much of the run-up of the price of crude could be blamed on the gradual decline in the USD, as crude contracts are priced in dollars.
News & Media
They continue to be afraid of being caught out by a possible re-valuation in the USD-pegged currency.
News & Media
One, from iShares, invests in an index of dollar bonds — its J.P. Morgan USD Emerging Markets Bond fund — and another invests in local bonds — its Emerging Markets Local Currency Bond fund, which tracks the Barclays Capital Emerging Markets Broad Local Currency Bond Index.
News & Media
The rupee made new lifetime lows in the morning and traded near the 58/USD levels on continuing concerns about the current account deficit and reversal in foreign institutional investor (FII) flows.
News & Media
If a media organization violates the rules, it may be fined up to about $100,000 USD per violation.
News & Media
Expert writing Tips
Best practice
When writing for an international audience, always use "USD" to avoid ambiguity, as "dollar" can refer to multiple currencies. Always use the ISO currency code when specifying amounts in financial contexts.
Common error
Avoid using "dollar" without specifying "USD" in international contexts, as it can lead to confusion with currencies like the Canadian dollar (CAD) or the Australian dollar (AUD). Always provide the currency code for clarity.
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "USD" is as a noun adjunct or modifier, specifying the currency being referred to. Ludwig's examples show its usage in financial contexts, like "$100 trillion USD".
Frequent in
News & Media
60%
Formal & Business
20%
Encyclopedias
10%
Less common in
Science
5%
Social Media
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, "USD" is a widely used and grammatically correct acronym for the United States dollar. Ludwig AI confirms its suitability for specifying currency in various contexts. It is most commonly found in news and business publications, serving to ensure clarity and avoid confusion with other currencies. Remember to use "USD" in professional and formal writing to provide specificity, and avoid redundant phrases such as "dollars USD". Using the ISO currency code clarifies which currency is being referred to, making communication precise in financial contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
United States dollar
Full name of the currency, providing clarity and formality.
USD currency
Reiterates the acronym with the word currency, adding emphasis.
American dollar
Specifies the country of origin for the currency.
U.S. dollar
A more formal abbreviation.
Dollar
Shortened version, used when the context makes it clear which dollar is meant.
U.S. currency
Emphasizes the currency's origin in the United States.
America's currency
More descriptive highlighting the currency of America.
Greenback
Informal term for the US dollar.
Dollar currency
Generic term indicating the dollar as a form of currency.
Dollar equivalent
Refers to an amount equal in value to a specific number of dollars.
FAQs
How do I use "USD" in a sentence?
Use "USD" after a numerical value to specify the amount is in United States dollars. For example: The item costs 50 "USD".
What is another way to say "USD"?
You can use the full form "United States dollar" or the abbreviation "U.S. dollar" instead of "USD".
Is it correct to say "dollars USD"?
It's redundant to say "dollars USD". It is better to say ""USD"" or "United States dollars".
What's the difference between "USD" and "dollars"?
"Dollars" is the general term for the currency, while "USD" is the specific ISO currency code for the United States dollar. Use "USD" when you need to be precise.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested