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
realised how to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "realised how to" is correct and usable in written English.
You can use it when expressing the moment of understanding or discovering a method or way to do something. Example: "After several attempts, I finally realised how to solve the complex equation."
✓ Grammatically correct
News & Media
Wiki
Formal & Business
Science
Alternative expressions(3)
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
Whilst ambivalent about his literary merits ("as far as sci-fi writers go, yes, he's good, but a little angular... stiff... with occasional sweet things"), Patrick Harbinson immediately realised how to adapt the book for our times.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Realising how to celebrate that rottenness – now that's freedom".
News & Media
Not realising how to do business, getting into stupid situations.
News & Media
Seeing Nintendo finally realise how to market itself in a smart way?
News & Media
He has unbelievable hands and movement and he has added to that by realising how to fight.
News & Media
It's a powerful way of getting people to realise how to deliver a message in a more human way.
News & Media
But there are few companies realising how to latch onto that innovation.
News & Media
Slowly you shall 'Realise' how to breathe with your diaphragm muscles resulting in the movement getting exaggerated through the 'bulge & contraction' in stomach.
Wiki
Some years ago I realised how I wanted to begin Christmas.
News & Media
Her father then realised how important it was to have all his children go to school.
Formal & Business
Then I realised how difficult it was to get there.
News & Media
Expert writing Tips
Best practice
Use "realised how to" to express a moment of understanding or discovery of a specific method or technique, especially after a period of confusion or uncertainty.
Common error
Avoid using "realised how to" when you simply want to express an awareness of a fact. Use "realised that" for general awareness, and reserve "realised how to" for understanding a method or process. For example, instead of saying 'I realised how difficult the task was', say 'I realised that the task was difficult'.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "realised how to" functions as a verb phrase indicating the attainment of understanding regarding a specific method or process. As indicated by Ludwig, this phrase denotes gaining comprehension of how something is done, rather than simply what is.
Frequent in
News & Media
30%
Wiki
25%
Science
20%
Less common in
Formal & Business
15%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "realised how to" is a phrase used to express the understanding or discovery of a method or process. Ludwig indicates that the phrase is grammatically correct, although its usage is relatively rare. The phrase sees use across multiple contexts including news, general writing, and technical documentation. When using the phrase, ensure that the context is about gaining insight into how something is achieved, as opposed to simply becoming aware of a fact. Alternatives such as "understood how to" or "figured out how to" can provide similar meanings with slight variations in emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
understood how to
Focuses on comprehension and grasping the method.
figured out how to
Implies a process of thinking and solving to find a method.
discovered how to
Highlights the finding or uncovering of a method.
learned how to
Emphasizes the acquisition of knowledge or skill.
grasped how to
Suggests a firm understanding and ability to apply a method.
recognized how to
Highlights the acknowledgement and understanding of a method's effectiveness.
ascertained how to
Implies a process of investigation and determination of a method.
became aware of how to
Focuses on gaining consciousness or knowledge of a method.
found a way to
Emphasizes the process of identifying and using a specific approach.
worked out how to
Implies a problem-solving approach to finding a method.
FAQs
How can I use "realised how to" in a sentence?
Use "realised how to" to indicate understanding or discovering a method or way to do something. For example: "After many attempts, I finally realised how to solve the problem."
What phrases are similar to "realised how to"?
Similar phrases include "understood how to", "figured out how to", and "discovered how to".
Is there a difference between "realised how to" and "realised that"?
"Realised how to" implies discovering a method, while "realised that" indicates becoming aware of a fact. Use "realised how to" when a process is involved.
When is it appropriate to use "realised how to"?
Use "realised how to" when you want to convey the understanding of a method or process after a period of not knowing or struggling. It's suitable when there's a focus on the 'how' rather than just the 'what'.
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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
4.5/5
Expert rating
Real-world application tested