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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
prices are effective from
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence "prices are effective from" is correct and can be used in written English.
You can use it to indicate when a certain price or pricing system takes effect. For example, "The new prices are effective from April 1st."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(5)
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
1 human-written examples
All prices are effective from April 1 , 2013
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
The new prices are effective immediately.
News & Media
The 40-point MMI and 25-point II daily price limits will be effective from the opening of business today.
News & Media
His resignation is effective from next Friday.
News & Media
The decision is effective from Tuesday.
News & Media
Make sure they are effective and fair in their pricing.
Wiki
The new price will be effective Monday through Saturday.
News & Media
Hershey's price increase is effective immediately and should help offset rising commodity costs, which the company expects will more than double from 2008 to 2009.
News & Media
This indicated that 'minimum pricing might be effective as a targeted public health policy'.
Science
The prices are from Amazon.com, unless noted.
News & Media
Prices are from $46 to $207.
News & Media
Expert writing Tips
Best practice
When announcing new pricing, clearly state the date from which the "prices are effective from". This helps avoid confusion and ensures transparency.
Common error
Avoid vague statements like "prices are effective soon". Always provide a specific date with the phrase "prices are effective from" to ensure clarity and avoid ambiguity.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "prices are effective from" functions as a declarative statement, indicating the commencement date of a particular pricing scheme. As Ludwig indicates, this phrase is considered correct in written English.
Frequent in
News & Media
33%
Science
33%
Wiki
17%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "prices are effective from" is a grammatically correct and understandable way to announce the date from which new prices will be applied. Ludwig confirms its validity and suggests that it is acceptable for use in various contexts, particularly within news, scientific, and business domains. While not overly common, providing a specific date is recommended for clarity, and alternatives such as "prices take effect on" can be used to vary the language. The phrase serves to inform and set clear expectations regarding pricing changes.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
prices are valid starting
Replaces "effective from" with "valid starting", emphasizing the period when the prices are considered acceptable or usable.
prices take effect on
Uses the phrasal verb "take effect" to indicate when the prices become operational or applicable.
prices commence on
Substitutes "effective from" with "commence on", indicating the beginning or start date of the new prices.
prices begin from
Uses "begin from" instead of "effective from", focusing on the starting point of the prices.
prices apply from
Replaces "effective from" with "apply from", suggesting the date when the prices become applicable.
prices are applicable starting
Similar to "prices are valid starting", but uses "applicable" to convey the idea of the prices being in force.
prices become active on
Replaces "effective from" with "become active on", highlighting the point when the prices are activated or put into use.
prices will be in force from
Uses "will be in force from" to express the future validity of the prices from a specific date.
prices are in effect as of
Employs "are in effect as of", indicating the date from which the prices are currently valid.
new prices are implemented from
Uses "new prices are implemented from", emphasizing the action of putting the prices into effect from a certain date.
FAQs
How to use "prices are effective from" in a sentence?
You can use "prices are effective from" to specify the date when a new pricing scheme begins. For example, "The new prices are effective from January 1, 2026".
What can I say instead of "prices are effective from"?
You can use alternatives like "prices take effect on", "prices are valid starting", or "prices commence on" depending on the context.
Is it correct to say "prices are effective since"?
While understandable, "prices are effective from" is more precise when indicating the exact starting point. "Prices are effective since" implies a period, which may not always be the intended meaning.
What's the difference between "prices are effective from" and "prices are effective immediately"?
"Prices are effective from" specifies a future date, while "prices are effective immediately" means the prices are valid right now, without any delay.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested