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
is valid through
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is valid through" is correct and usable in written English.
It is typically used to indicate the duration of validity for something, such as a date or a contract. Example: "This coupon is valid through December 31st, 2023."
✓ Grammatically correct
News & Media
Science
Academia
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
26 human-written examples
It is valid through April.
News & Media
The offer is valid through April 30.
News & Media
The coupon is valid through April 15, 2003; a cart is extra.
News & Media
Do you have a passport that is valid through August 1, 2019?
At last, it is demonstrated that the ADP approach is valid through simulation.
Science
The deal, which includes 30 gallons of gasoline, is valid through April 7 for guests 21 or older.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
34 human-written examples
The free nights are valid through Dec. 25.
News & Media
Rates are valid through March 25, and there are seasonal supplements.
News & Media
The fares are valid through March 31, and must be purchased by Jan . 29
News & Media
Fares are valid through March 31; additional fees and taxes apply; (800) 359-3876 or www.1800flyeurope.com.
News & Media
"Technically you're not press tonight," he said, though my other credentials are valid through 2012.
News & Media
Expert writing Tips
Best practice
When specifying an expiration date, ensure clarity by including the full date (month, day, year) to avoid ambiguity.
Common error
Avoid only stating the month and day. Always include the year to prevent misinterpretation, especially when the context isn't immediately clear.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is valid through" functions as a predicative adjective phrase indicating the duration of validity for a specified item, offer, or agreement. As Ludwig AI confirms, this is a standard and usable expression in English.
Frequent in
News & Media
41%
Science
30%
Academia
19%
Less common in
Wiki
4%
Formal & Business
2%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "is valid through" is a common and grammatically correct way to express the duration for which something remains effective. According to Ludwig AI, this phrase is perfectly acceptable in written English. It's predominantly used in news, science, and academic contexts to specify the timeframe for offers, agreements, or credentials. When using this phrase, ensure clarity by including the full date (month, day, year) to avoid ambiguity. Alternative phrases like "is effective until" or "expires on" can be used depending on the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is effective until
Focuses on the point in time when something stops being effective, rather than the period it covers.
is good until
A more informal way of expressing validity up to a certain date.
is applicable until
Highlights the applicability of something, ceasing at a specific time.
remains in effect until
Emphasizes the continuation of something being in effect, with a defined end.
expires on
Focuses specifically on the date of expiration.
is operative until
A more formal alternative, indicating when something stops being operative.
holds good until
Indicates that something remains valid or true until a specific date.
is in force until
Highlights the period during which something is legally binding or effective.
extends to
Suggests that something's validity reaches up to a particular point in time or scope.
lasts until
Indicates the duration for which something remains valid or functional.
FAQs
What can I say instead of "is valid through"?
You can use alternatives like "is effective until", "is good until", or "expires on" depending on the context.
How do I use "is valid through" in a sentence?
The phrase "is valid through" is used to specify the date until which something remains valid or applicable. For example, "This coupon is valid through December 31, 2025".
Which is correct, "is valid through" or "is valid until"?
Both "is valid through" and "is valid until" are correct. "Is valid through" specifies the last day of validity, while "is valid until" implies validity up to, but not including, that date.
What's the difference between "is valid through" and "expires on"?
"Is valid through" indicates the period something is valid, while "expires on" specifically states the date of expiration. They can often be used interchangeably, but "expires on" emphasizes the end of validity.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested