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
in the same sized
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "in the same sized" is not correct in English.
The correct form would be "in the same size" or "of the same size." Example: "The boxes should be in the same size to ensure they fit neatly on the shelf."
⚠ May contain grammatical issues
Science
Wiki
News & Media
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
to avoid disruption
not yet completed
in accordance with direction from
a couple of books before
if not soon
as excellent as
in a flash
as instructed by the directive
as tall as
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
2 human-written examples
Similarly, an afternoon snack of potato chips (crisps) was offered on different days, consisting of various weights of the snack in the same sized bag.
A larger plant will require more water than a smaller plant in the same sized pot.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
We excluded birds and ground predatory arthropods from rapeseed plants in 2.5 × 1 m plots in 26 homegardens in Ethiopia, leaving the same sized control plots.
"People started using just a couple of breeds for whatever they're doing – meat, milk, eggs or fibre – in order to get the same sized animals to fit on an assembly line for processing and transportation and – more importantly – to make them grow as quickly as possible," explains Ryan Walker, marketing and communications manager at the US-based Livestock Conservancy.
News & Media
Also experimentally analyzed the effect of changes in fiber orientations on modal density the same sized plates, with different fiber orientations.
Science
The inseam on the same sized shorts in the boys' department was almost 7 times longer.
News & Media
Of special significance is Figure 2-II c, as here two independent deletion chromosomes are displayed that carried approximately the same sized deletion in the same area.
Science
We observed the same sized length variants (i.e. the size of deletion in base pairs) for each marker that were found in [ 47, 48] (Table 1).
Science
An obvious explanation for the reduced male lifespan on the poor quality diet is that the greater costs of providing the same sized nuptial gift in a poor quality environment are manifested as the reduced allocation of resources towards somatic maintenance and repair [49].
Science
We all have the same sized plate (24 hours in one day), and if we're lucky, we can choose what we put on the plate.
News & Media
Cardinal vowels two, three, and four are a series of front vowels that form auditorily equidistant steps between cardinal vowels one and five; and cardinal vowels six, seven, and eight are a series of back vowels with the same sized auditory steps as in the front vowel series.
Encyclopedias
Expert writing Tips
Best practice
When describing the similarity in size between objects, prefer the phrase "of the same size" over "in the same sized" for grammatical correctness and clarity.
Common error
Avoid using the preposition "in" with "sized" when you intend to express that something has a particular size. The correct phrasing is "of the same size". For example, use "two objects of the same size" instead of "two objects in the same sized".
Source & Trust
79%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in the same sized" functions as a prepositional phrase attempting to modify a noun by describing its dimensions. However, it is grammatically incorrect. As pointed out by Ludwig AI, the correct phrasing would be using "of the same size" or a similar construction.
Frequent in
Science
36%
News & Media
32%
Wiki
14%
Less common in
Formal & Business
6%
Encyclopedias
6%
Social Media
6%
Ludwig's WRAP-UP
In summary, the phrase "in the same sized" is grammatically incorrect. The correct alternative is "of the same size". While the phrase attempts to express similarity in dimensions, it is not suitable for formal or scientific contexts. Ludwig AI highlights that better alternatives include "having the same size", "equally sized", or "identical in size". Using these alternatives enhances clarity and professionalism in writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
of the same size
Corrects the grammatical structure by using the preposition 'of' instead of 'in' and employs the correct noun 'size'.
having the same size
Emphasizes the shared attribute of size using the verb 'having'.
with the same dimensions
Replaces 'size' with 'dimensions' to provide a more specific measurement context.
equally sized
Uses the adverb 'equally' to modify the adjective 'sized', implying identical size.
identical in size
Replaces the preposition 'in' to specify the manner of sameness.
with equivalent size
Substitute same for equivalent to denote a close similarity.
same size
Removes unnecessary 'in the' for simplicity. It is common to use 'same size' as a description.
same dimensions
Changes the wording to dimensions, instead of size.
equal in dimension
Changes the wording to dimensions, instead of size.
of similar dimensions
Expresses a degree of approximation using 'similar' instead of 'same'.
FAQs
How can I correctly use the concept of similar dimensions in a sentence?
Use phrases like "of the same size", "having the same size", or "identical in size". For example, "The boxes should be of the same size to ensure they fit neatly on the shelf".
What's the difference between "in the same sized" and "of the same size"?
"In the same sized" is grammatically incorrect. The correct form is "of the same size", which indicates that two or more items share the same dimensions or proportions. Therefore "of the same size" should be always preferred.
Is it ever correct to use "in the same sized"?
No, "in the same sized" is not grammatically correct in standard English. The correct way to express this concept is with phrases like "of the same size" or "having the same size".
What are some alternative ways to say that two objects have comparable sizes?
Besides "of the same size", you can use "equally sized", "identical in size", or "with the same dimensions" depending on the specific context.
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
79%
Authority and reliability
2.8/5
Expert rating
Real-world application tested