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
would have cost
Grammar usage guide and real-world examplesUSAGE SUMMARY
'would have cost' is correct and usable in written English.
You can use this phrase when referring to something that you were considering buying, but it was too expensive. For example: "I wanted to buy a new car, but it would have cost too much money."
✓ Grammatically correct
News & Media
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
60 human-written examples
(Mine would have cost $230).
News & Media
It would have cost around another £30million.
News & Media
Fixed-rate debt would have cost 7.2 percent.
News & Media
A rebuilt would have cost $4,000".
News & Media
That would have cost $3.8 million.
News & Media
This would have cost the Treasury £1.7bn.
News & Media
"But then it would have cost more".
News & Media
A Lagerfeld original would have cost a thousand dollars.
News & Media
That deal, however, would have cost taxpayers billions of dollars.
News & Media
By ship that would have cost them $10.5 million.
News & Media
In U.S it would have cost at least 25 million.
News & Media
Expert writing Tips
Best practice
When using "would have cost", provide specific figures to enhance clarity. For example, specify what "it" refers to and how much it would have cost.
Common error
Avoid using "would have cost" when referring to an expense that was actually incurred. Use past tense forms like "cost" or "did cost" for factual statements about past expenditures.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "would have cost" functions as a conditional verb phrase indicating a hypothetical past cost. As Ludwig AI confirms, the phrase is correct and commonly used. It expresses what something might have been priced at under different circumstances.
Frequent in
News & Media
80%
Formal & Business
10%
Science
5%
Less common in
Academia
3%
Wiki
1%
Encyclopedias
1%
Ludwig's WRAP-UP
In summary, "would have cost" is a grammatically sound and widely used phrase for describing hypothetical past costs. As Ludwig AI confirms, it is correct and readily applicable in various contexts, most prominently in news and media. The phrase serves to estimate or speculate about past expenses and facilitates the evaluation of alternatives. Although it maintains a neutral tone, it fits diverse communication scenarios. Alternatives such as "would have amounted to" or "would have been priced at" can be used to express similar ideas. Understanding its proper use and avoiding common errors helps improve clarity in writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
would have amounted to
Focuses on the total sum or value, rather than just the expense.
would have been priced at
Emphasizes the setting of a price, rather than the cost incurred.
would have set back
Highlights the financial setback or burden.
would have entailed expenses of
Formally specifies the expenses involved.
would have required an investment of
Focuses on the investment aspect rather than a simple cost.
would have been valued at
Shifts the focus to valuation rather than expenditure.
would have carried a price tag of
Highlights the price tag or label.
would have involved an outlay of
Stresses the disbursement of funds.
would have commanded a fee of
Specifically refers to fees rather than general costs.
would have incurred a charge of
Highlights the imposition of a charge.
FAQs
How do I use "would have cost" in a sentence?
"Would have cost" is used to describe the hypothetical price of something if a certain condition had been met. For example, "If I had bought the car, it "would have cost" me $20,000."
What can I say instead of "would have cost"?
You can use alternatives like "would have amounted to", "would have been priced at", or "would have set back" depending on the context.
Which is correct, "would have cost" or "would of cost"?
"Would have cost" is correct. "Would of cost" is a common misspelling based on the similar pronunciation, but it is grammatically incorrect.
What's the difference between "would have cost" and "cost"?
"Would have cost" expresses a hypothetical or estimated cost, while "cost" states an actual, realized expense. For example, "The repairs cost $500" means the repairs actually incurred that expense. "The repairs "would have cost" $500" implies the repairs were estimated at that price, but may not have been done.
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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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested