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
so since
Grammar usage guide and real-world examplesUSAGE SUMMARY
"so since" is a correct and usable expression in written English.
You can use it to indicate a cause and effect relationship between two ideas. For example, "I was tired from all the work I had done, so since I was already exhausted I decided to stay in for the night."
✓ Grammatically correct
Academia
News & Media
Science
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
Another Boston community, Communispace, sets up online communities for marketers and has done so since 1999.
News & Media
Dozens have done so since work commenced.
News & Media
She has not done so since.
News & Media
Many others have done so since.
News & Media
So, "since when", Matthew?
News & Media
It has done so since 1920.
News & Media
No Browns quarterback has done so since.
News & Media
And so since 1996, it's been a very successful technology.
Academia
So since then it has been scaled down a bit.
News & Media
This is especially so since City face Chelsea on Sunday.
News & Media
So since I'm awake, I often chat with seatmates.
News & Media
Expert writing Tips
Best practice
When using "so since", ensure that the "so" clearly indicates a consequence or conclusion derived from the reason stated by "since". This helps maintain clarity and logical flow in your writing.
Common error
Avoid using "so since" when only one causal indicator is needed. Overusing causal connectors can make your writing sound repetitive and less impactful. Choose the most fitting connector based on the specific context.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "so since" functions as a causal connector, linking a consequence ("so") to a reason or cause ("since"). Ludwig confirms that it's a valid expression used to establish a cause-and-effect relationship.
Frequent in
Academia
40%
News & Media
40%
Science
20%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "so since" is a grammatically correct phrase used to indicate a cause-and-effect relationship, as verified by Ludwig. Although relatively rare in occurrence, it appears across various contexts, including academic, news, and scientific domains. While the phrase can be useful, it's essential to ensure it's not used redundantly and that the "so" genuinely reflects a consequence of the "since" clause. To enhance writing, consider alternatives like "therefore because" or "hence as" for a stronger or more concise expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
therefore because
Both phrases indicate a cause-and-effect relationship, but this alternative might be slightly stronger or more formal.
hence as
This phrase offers a more concise and slightly formal way to express the same relationship.
consequently given that
This alternative emphasizes the result or consequence based on a given condition.
thus considering that
Similar to the previous phrase, this one presents a slightly more formal tone.
because of this
This is a simpler and more direct alternative, suitable for less formal contexts.
for this reason
This provides a clearer and more direct cause-and-effect connection.
as a result of
This option focuses on the outcome of an event or situation.
due to that reason
This option is slightly more formal, emphasizing the reason behind the outcome.
in view of the fact that
This alternative is more formal and verbose, suitable for academic or legal contexts.
owing to the fact that
This alternative presents a formal and often used replacement.
FAQs
How can I use "so since" in a sentence?
"So since" is used to show a cause-and-effect relationship. For example, "I was very tired, "so since" I had a long day at work, I went straight to bed".
What's a good alternative to "so since"?
Alternatives include "therefore because", "hence as", or "consequently given that", depending on the level of formality you need.
Is it grammatically correct to start a sentence with "so since"?
While grammatically correct, starting a sentence with "so since" may sound less formal and more conversational. It's often better to integrate it within a clause or combine it with other connectors for smoother flow.
What is the difference between "so since" and "because"?
"Because" directly introduces a reason, whereas "so since" emphasizes the consequence resulting from a previously stated reason. "So since" can sometimes imply a slight redundancy, thus ensure that the usage is natural and not overly repetitive.
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested