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
estimation
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "estimation" is correct and usable in written English.
You can use the word "estimation" when you want to make an educated guess or assessment of a certain value or amount. For example, "This estimation of the project's total cost is based on current market prices."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
They use a statistical technique called probabilistic estimation in which probabilities are assigned to estimated or unknown figures.
News & Media
In Swann's estimation Pietersen was "never the right man to captain England" – a position the mercurial batsman held only fleetingly before he and the coach Peter Moores both lost their jobs at the start of 2009.
News & Media
But there was also some indication on Monday that the size of the budget "blaze" is being scaled back in the government's estimation.
News & Media
I had in my head an estimation of what sort of height I'd need to jump in order to get that medal, which was about 1.90m.
News & Media
The 2014-34 plan clearly signifies slum clusters and gives, what may be considered, a rather accurate estimation of slum dwellers in Mumbai.
News & Media
For work being detailed the business analyst would take requirements from our business users and present them to the technologists for estimation; for work being implemented they would often take queries from the technologists and present them to the business users for guidance.
News & Media
It combines history, quantitative estimation, social science theory, and a deep concern with societal welfare in a way that is too rare these days.
News & Media
For Miliband, 26% said he had risen in their estimation, against 23% who said the reverse, while 42% said their view had not changed.
News & Media
Other economists reject the behavioural approach, maintaining that predictable returns reflect investors' rational insistence on compensation for holding riskier assets.In 1982 Mr Hansen developed what has since become a very influential statistical technique known as "generalised method of moments estimation".
News & Media
America's breakneck population and GDP growth in the 19th century eroded the power of old fortunes while throwing up a steady supply of new ones.Victorian valuesTumbling rates of population growth are pushing wealth concentrations back toward Victorian levels, in Mr Piketty's estimation.
News & Media
His Southern drawl reinforces the image of a party that has become, in the estimation of many analysts, too Southern-based.
News & Media
Expert writing Tips
Best practice
When using "estimation", specify the basis for your assessment to enhance credibility and clarity. Providing context, such as data sources or methodologies, strengthens the reliability of your estimate.
Common error
Avoid presenting an "estimation" as a definitive fact. Qualify your statements with phrases like "approximately" or "in our estimation" to acknowledge the inherent uncertainty in any estimate.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "estimation" is as a noun. It refers to the process of making an estimate or the approximate result obtained. This is supported by Ludwig's examples, where "estimation" often appears as the subject or object of a sentence.
Frequent in
News & Media
40%
Science
30%
Formal & Business
20%
Less common in
Encyclopedias
5%
Reference
3%
Wiki
2%
Ludwig's WRAP-UP
The word "estimation" functions as a noun, denoting the process of making an estimate or the approximate value reached. Ludwig AI confirms its grammatical correctness and usability in diverse contexts. Its purpose is to provide an approximate value based on available information, acknowledging inherent uncertainty. While versatile, it leans toward a neutral to formal register, commonly appearing in news, science, and business contexts. To enhance clarity, specify the basis for your "estimation", and avoid presenting it as a definitive fact. Alternatives include "approximate calculation", "rough assessment", and "educated guess".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
approximate calculation
Focuses on the mathematical aspect of finding a value close to the actual one.
preliminary calculation
Emphasizes that the calculation is an early, possibly not final, determination.
rough assessment
Implies a quick, less precise evaluation.
tentative appraisal
Suggests the appraisal is subject to change or further review.
valuation
Focuses on determining the worth or price of something.
educated guess
Highlights the use of knowledge and experience to make a prediction.
informed judgment
Highlights that the judgment is based on available information.
projected value
Specifically refers to predicting a future value.
forecast
Indicates a prediction about the future, often based on data.
guesstimate
An informal term for an estimate based on limited information.
FAQs
How to use "estimation" in a sentence?
You can use "estimation" to refer to the process of making an estimate or the approximate value itself. For example, "The project's cost "estimation" was higher than expected."
What's the difference between "estimation" and "estimate"?
"Estimate" can function as both a noun and a verb, while "estimation" is exclusively a noun referring to the process of estimating. Use "estimate" when you need a verb, and "estimation" when you refer to the act of approximating a value.
What can I say instead of "estimation"?
You can use alternatives like "approximate calculation", "rough assessment", or "educated guess" depending on the context.
Is "estimation" a formal word?
"Estimation" is suitable for formal writing, reports, and presentations. It carries a professional tone when discussing calculations and appraisals.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested