Do you use expiry or expiration? Both words are correct, but they are used more often in different forms of English.
Expiry is mainly used in British English. Expiration is mainly used in American English. Both words describe the end of a fixed period when something is no longer valid, usable, or in effect. Cambridge Dictionary gives this same difference and notes that British English usually uses expiry, while American English usually uses expiration.
You may see these words on food, medicine, contracts, visas, licenses, credit cards, and other items.
For example, a British speaker may say:
Check the expiry date.
An American speaker may say:
Check the expiration date.
The meaning is almost the same.
In this guide, we will explain expiry vs expiration, their meanings, differences, examples, British and American usage, common mistakes, and which word you should use.
Expiry vs Expiration: Quick Answer
Expiry and expiration have almost the same meaning.
The main difference is regional usage:
- Expiry = mainly British English
- Expiration = mainly American English
Both mean the end of a fixed period when something can no longer be used or remains valid.
British English
What is the expiry date of your passport?
American English
What is the expiration date of your passport?
Both sentences are correct.
What Does Expiry Mean?
Expiry is a noun that means the end of a fixed period.
It can refer to the time when a:
- Contract ends
- Visa becomes invalid
- License ends
- Passport reaches its end date
- Credit card can no longer be used
- Product reaches its stated date
Cambridge Dictionary lists expiry as mainly British and gives examples involving leases, visas, patents, contracts, and expiry dates.
Examples
The expiry of my visa is next month.
Check the expiry date on the card.
The contract is close to expiry.
The medicine is past its expiry date.
What Does Expiration Mean?
Expiration has the same basic meaning.
It refers to the end of a period when something is no longer valid or in use.
Cambridge lists expiration as mainly American English when it means the end of a fixed period.
Examples
Check the expiration date on the card.
The expiration of the contract is near.
My visa is approaching expiration.
The product has passed its expiration date.
Expiry vs Expiration: Main Difference
The main difference is where the words are commonly used.
| Word | Main usage | Meaning |
| Expiry | British English | End of a fixed period |
| Expiration | American English | End of a fixed period |
The meaning is almost identical.
The biggest difference is regional style.
Simple rule
If you write for a UK audience, use expiry.
If you write for a US audience, use expiration.
Expiry Date vs Expiration Date
This is one of the most common places where people see these words.
Expiry date
Expiry date is mainly British English.
It means the last date when something can be used or remains valid.
What is the expiry date of your credit card?
Check the expiry date before using the product.
Expiration date
Expiration date is mainly American English.
It has the same basic meaning.
What is the expiration date of your credit card?
Check the expiration date before buying the product.
The difference is simple
UK: expiry date
US: expiration date
Expiry vs Expiration for Food
Both terms can describe the date shown on a product.
In British English, people commonly say:
Check the expiry date.
In American English, people commonly say:
Check the expiration date.
The words describe the same basic idea: the date connected with the end of the product’s stated period of use.
However, food labeling rules can vary by country. Do not assume that every date printed on food has exactly the same legal meaning.
Expiry vs Expiration for Medicine
You may also see these terms when talking about medicine.
British English
Check the medicine’s expiry date.
American English
Check the medicine’s expiration date.
The spelling changes with the variety of English, but the basic meaning stays the same.
For medicines, always follow the label and the instructions from the manufacturer or a qualified health professional.
Expiry vs Expiration for Documents
Both words can describe documents that stop being valid.
For example:
The passport is nearing its expiry date.
Or:
The passport is nearing its expiration date.
You can also use these words with:
- Visas
- Licenses
- Contracts
- Permits
- Passports
- Certificates
- Agreements
Cambridge specifically gives expiry and expiration examples for leases, visas, contracts, and other fixed periods.
British English vs American English
This is the most important part of expiry vs expiration.
British English
British English usually prefers:
Expiry
Examples:
The expiry date is next week.
The contract is close to expiry.
Check the expiry of your visa.
American English
American English usually prefers:
Expiration
Examples:
The expiration date is next week.
The contract is close to expiration.
Check the expiration of your visa.
Cambridge directly identifies expiry as mainly UK and expiration as mainly US.
Which One Should You Use?
Choose the word based on your audience.
Use “expiry” when:
- Writing for the UK
- Writing for British readers
- Following British English style
- Writing UK business documents
- Writing UK-focused website content
Use “expiration” when:
- Writing for the US
- Writing for American readers
- Following American English style
- Writing US business documents
- Writing US-focused website content
For an international audience
Either word can work.
However, consistency matters.
If your website uses British English, stay with expiry.
If your website uses American English, stay with expiration.
Common Mistakes
Mistake 1: Thinking one word is wrong
Some people think expiry is incorrect because they usually see expiration.
That is not true.
Both words are correct.
The main difference is regional usage.
Mistake 2: Using both styles in one article
You may write:
Check the expiry date.
Then later write:
Check the expiration date.
This is not grammatically wrong, but it can make your writing style less consistent.
Fix: Pick one form based on your audience.
Mistake 3: Thinking expiry means something different
In most everyday uses, expiry and expiration have the same basic meaning.
The main difference is the variety of English.
Mistake 4: Assuming expiry is only used for food
You can use expiry for many things.
For example:
- Visa expiry
- Contract expiry
- Patent expiry
- License expiry
- Expiry date
- Card expiry
Cambridge’s examples include leases, visas, patents, contracts, and financial uses.
Expiry vs Expiration Examples
British English
- Check the expiry date on the card.
- My passport is close to its expiry date.
- The visa will reach expiry next month.
- The contract is nearing expiry.
- The voucher has an expiry date.
- The patent is approaching expiry.
- Check the expiry date before using the product.
- The license has passed its expiry date.
American English
- Check the expiration date on the card.
- My passport is close to its expiration date.
- The visa will reach expiration next month.
- The contract is nearing expiration.
- The voucher has an expiration date.
- The patent is approaching expiration.
- Check the expiration date before using the product.
- The license has passed its expiration date.
Expiry vs Expiration Comparison Table
| Feature | Expiry | Expiration |
| Correct word? | Yes | Yes |
| Main usage | British English | American English |
| Part of speech | Noun | Noun |
| Basic meaning | End of a fixed period | End of a fixed period |
| Common phrase | Expiry date | Expiration date |
| UK usage | Very common | Less common |
| US usage | Less common | Very common |
| Used for contracts | Yes | Yes |
| Used for visas | Yes | Yes |
| Used for products | Yes | Yes |
| Used for cards | Yes | Yes |
Expiry and Expiration in Business English
Both words appear in business writing.
For example:
British English
The contract will continue until its expiry.
American English
The contract will continue until its expiration.
Business English also uses these words with:
- Contracts
- Patents
- Leases
- Options
- Licenses
- Agreements
Cambridge’s Business English dictionary uses expiry in UK English and expiration in US English for business and financial contexts.
Expiry vs Expiration in Everyday English
You will often see these words on:
- Food packages
- Medicine labels
- Credit cards
- Passports
- Visas
- Driving licenses
- Coupons
- Membership cards
- Contracts
- Tickets
For example:
My credit card’s expiry date is next month.
Or:
My credit card’s expiration date is next month.
Both sentences communicate the same idea.
Related Words
Expire
Expire is the verb.
It means that something comes to an end or stops being valid or in use.
My passport expires next year.
The contract expires in December.
Expired
Expired describes something that has already reached its end date.
My passport has expired.
The coupon has expired.
Expiring
Expiring describes something that is about to reach its end.
My visa is expiring soon.
Expiry vs Expiration: Pronunciation
The words also sound different.
Expiry
British pronunciation is roughly:
ik-SPY-uh-ree
American pronunciation is roughly:
ik-SPY-ree
Expiration
The pronunciation is roughly:
ek-spuh-RAY-shun
Cambridge provides separate UK and US pronunciations for these words.
Is Expiry or Expiration More Common?
The answer depends on the country and type of English.
Expiry is mainly associated with British English.
Expiration is mainly associated with American English.
So, there is no simple answer such as “expiry is better” or “expiration is better.”
The better word depends on your audience.
Frequently Asked Questions
Is expiry the same as expiration?
Yes. In most everyday uses, they have the same basic meaning. The main difference is regional usage.
Is expiry British or American?
Expiry is mainly British English. American English usually uses expiration.
Is expiration British or American?
Expiration is mainly American English. British English usually uses expiry.
Which is correct, expiry date or expiration date?
Both are correct.
Use expiry date mainly in British English and expiration date mainly in American English.
Do British people say expiration?
They can understand and use the word, but expiry is the usual British form for this meaning.
Do Americans say expiry?
Americans may understand it, but expiration is the usual American form.
Should I use expiry or expiration?
Use expiry for a British audience and expiration for an American audience.
Featured Snippet Answer
Expiry and expiration mean almost the same thing. Expiry is mainly used in British English, while expiration is mainly used in American English. For example, British English uses “expiry date,” while American English usually uses “expiration date.”
Conclusion
The difference between expiry vs expiration is simple.
Both words are correct. Both refer to the end of a fixed period when something is no longer valid, usable, or in effect.
The main difference is British vs American English.
British English usually uses expiry. American English usually uses expiration. Cambridge Dictionary confirms that expiry is mainly UK and expiration is mainly US.
The same difference appears in the common phrases expiry date and expiration date.
If you write for UK readers, choose expiry. If you write for US readers, choose expiration.
The easiest rule to remember is:
UK = expiry
US = expiration
Neither word is wrong. Just choose the form that matches your audience and keep your writing consistent.
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Emily Carter is an English grammar writer based in Portland, Oregon, with 7+ years of experience turning tricky grammar rules into simple, easy lessons.
