triple from + amount
Showing the starting point
Use from to state the original number or level before the increase.
Profits tripled from 10 million euros in five years.
How to use 'triple' with prepositions
The verb 'triple' usually describes becoming three times larger. It is commonly followed by from and to to show change. Other listed prepositions are usually separate time or manner phrases, not fixed verb patterns.
Quick answer
Common patterns with 'triple'
Use triple from + amount and triple to + amount to describe change. Triple by + amount describes the size of the increase. In and since are usually separate time expressions, not fixed combinations with the verb.
Sales tripled from $2 million to $6 million in a year.
The company tripled by 2020 after rapid growth.
Production tripled by 5,000 units last quarter.
The company tripled by 2020 after rapid growth.
Production tripled by 5,000 units last quarter.
Choose the pattern by meaning
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
triple to + amount
Showing the final result
Use to to state the new number or level after the increase.
Output tripled to 900 units by June.
triple from + amount + to + amount
Describing complete change
Use both from and to together for a full comparison.
The population tripled from 20,000 to 60,000 over two decades.
triple by + amount
Showing the size of the increase
Use by to describe how much something increased, not the final total.
Revenue tripled by 30 percent after the campaign.
See the difference in context
The same subject can take different constructions because each sentence answers a different question.
Construction
Example
Meaning
triple from X to Y
Membership tripled from 1,000 to 3,000.
Shows both the starting and ending amounts.
triple to X
The budget tripled to $9 million.
Shows only the final amount.
triple by X
The workforce tripled by 200 employees.
Shows the size of the increase.
triple in + time/place
Sales tripled in two years.
In is usually a time or place adjunct, not a fixed pattern with triple.
triple since + time
Prices have tripled since 2018.
Since introduces a time reference for the action.
Common mistakes
Some combinations appear in real text but do not mean what learners often assume.
Using by for the final result
By describes the amount of change, not the ending number.
✕ Sales tripled by $9 million. ✓ Sales tripled to $9 million.Using from without a result
From usually works best when paired with to.
✕ The population tripled from 5,000. ✓ The population tripled from 5,000 to 15,000.Treating in as a fixed partner
In often introduces time or place information.
✕ The company tripled in profits. ✓ The company tripled its profits.Confusing by and to
Choose by for the increase and to for the final level.
✕ Output tripled to 40 percent. ✓ Output tripled by 40 percent.Quick practice
Choose the expression that matches the intended meaning.
1. The number of users tripled ___ 2,000 to 6,000.
2. Production tripled ___ 2021.
3. The company tripled its exports ___ 50 percent.
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Frequently asked questions
Can I say 'tripled to' without 'from'?
Yes. Use tripled to when only the final amount matters.
Is 'tripled in' correct?
It can be correct when in introduces time or place information, such as 'tripled in a decade'.
What is the difference between 'tripled by' and 'tripled to'?
Tripled by describes the increase amount. Tripled to describes the final result.
Related preposition guides
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