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
an estimated date
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an estimated date" is correct and usable in written English.
It can be used when referring to a date that is not exact but is approximated based on available information. Example: "The project is expected to be completed by an estimated date of March 15th."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
an arbitrary date
an approximate data
a target date
a rough estimate of the date
a projected date
an approximate date
an imprecise date
an estimated risk
a tentative date
an undetermined date
an estimated delivery
an estimated prevalence
an urgent date
an approximate timetable
a speculated date
an early date
an average date
a provisional date
an approximate target
an exact date
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
43 human-written examples
Node C in the dated phylogeny also has strong statistical support, and an estimated date for this node was February 15 (HPD interval January 10 March 16) which is also before the date of disease onset of the first known patient in the outbreak at KFMC.
Science
This is an estimated date of issue, no printed date can be found in the volume.
Academia
That makes it sound too accurate, he says - it should really be called an "estimated date".
News & Media
Writing down a goal with an estimated date and expected cost dramatically increases your likelihood for success.
News & Media
But they are being told that after making the initial contact, customers must wait about 10 weeks before being told of an estimated date for a visit from an engineer.
News & Media
But data from the Perinatal Institute, a non-profit organisation, shows that an estimated date of delivery is rarely accurate - in fact, a baby is born on its predicted due date just 4% of the time.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
17 human-written examples
These results are comparable to a previous estimated date of 10 ky [1], but are not consistent with a suggested date of 60 100 ky [15], which was based solely on the apparent global distribution of selection at this locus.
Science
We will also exclude women pregnant at the index date or in the first 3 months after delivery (using pregnancy codes and an estimated conception date as delivery date minus 280 days or delivery date minus gestational age if recorded), because these patients have a higher VTE risk 26 and because it is less likely for breast feeding women to have been using hormonal contraceptives.
Science
An algorithm for setting an estimated onset date, corresponding to the most accurate date available, was therefore applied to the reports.
Science
In the UK, where Chaney and Marshall live, a woman's estimated date of delivery is first calculated by using the date of her last period and adding 280 days, or 40 weeks.
News & Media
cFirst patient in a cluster by estimated date of symptom onset and no identified source patient.
Science
Expert writing Tips
Best practice
When using "an estimated date", clarify the basis for the estimate to provide context and credibility. For example, mention if it's based on historical data, expert opinion, or a specific calculation method.
Common error
Avoid treating "an estimated date" as a fixed deadline. Clearly communicate the possibility of variations and adjustments to manage expectations effectively.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an estimated date" primarily functions as a noun phrase, where "estimated" acts as an adjective modifying "date". This phrase is used to denote a timeframe that is approximate and not definitively confirmed. Ludwig AI confirms its grammatical correctness and usability.
Frequent in
Science
35%
News & Media
30%
Academia
20%
Less common in
Formal & Business
10%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "an estimated date" is a frequently used and grammatically sound phrase that serves to indicate a projected or approximate timeframe. As Ludwig AI confirms, this phrase is appropriate across various contexts, particularly in science, news media, and academia. When using "an estimated date", ensure transparency regarding the basis for the estimate and avoid treating it as a fixed deadline. Alternatives like "a projected date" or "an approximate date" can be employed depending on the nuances you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a projected date
Emphasizes the calculation or prediction aspect of the date.
an approximate date
Highlights the inexact nature of the date, suggesting it's close but not precise.
a tentative date
Suggests the date is subject to change and not firmly fixed.
a provisional date
Indicates the date is conditional and depends on certain factors.
a predicted date
Similar to projected, but implies a forecast based on available data.
a scheduled date
Focuses on the planned or organized aspect of the date, though still not definite.
a target date
Emphasizes the date as a goal to be achieved.
an expected date
Highlights anticipation or likelihood of the date occurring.
a rough estimate of the date
Emphasizes the imprecise nature of the date.
an approximate timeframe
Broadens the scope to include a period around the date.
FAQs
How do I use "an estimated date" in a sentence?
You can use "an estimated date" when referring to a timeframe that is not exact but projected, such as, "The project's completion has "an estimated date" of next quarter."
What is the difference between "an estimated date" and "an exact date"?
"An estimated date" implies an approximation, while "an exact date" indicates a precise and confirmed date. Use "an estimated date" when the timeframe is subject to change.
What are some alternatives to using "an estimated date"?
Alternatives include phrases like "a projected date", "an approximate date", or "a tentative date", depending on the context and the degree of certainty you want to convey.
Is it appropriate to use "an estimated date" in formal writing?
Yes, "an estimated date" is appropriate in formal writing, particularly when providing forecasts or timelines that cannot be precisely determined. However, always ensure transparency about the factors influencing the estimate.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested