Modeling vs. Modelling: What's the Difference?
Learn why modeling and modelling are both correct regional spellings, with related forms, examples, consistency tips, a quiz, and FAQs.
Modeling, with one l, is standard American English. Modelling, with two l's, is standard British English and common in several other varieties. Both are forms of the verb model and can also be nouns for the activity.
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A research paper's title says statistical modelling, but its methods section says modeling. The analysis is unchanged; the editor selects one regional spelling and makes the document consistent.
Modeling vs. Modelling at a glance
| Word | Typical role | Meaning | Example |
|---|---|---|---|
| modeling | American spelling | representing, demonstrating, or working as a model | The team is modeling several demand scenarios. |
| modelling | British spelling | the same activities of representation or demonstration | The team is modelling several demand scenarios. |
How to use modeling
Use modeling in US English for mathematical simulation, demonstration of behavior, construction of a representation, or the work of a fashion model. The related past form is modeled, with one l.
The team is modeling several demand scenarios.
How to use modelling
Use modelling in standard British English and many related varieties. British spelling usually doubles the final l before -ing and -ed, producing modelling and modelled.
The team is modelling several demand scenarios.
Rules that make the choice easier
Use one l in American style
Write modeling and modeled for a US audience.
Use two l's in British style
Write modelling and modelled for a UK audience.
Preserve technical names
Software, courses, standards, and published method names may fix a spelling that should not be altered.
Common mistakes to avoid
- Do not mix modeled with modelling in one regional style.
- Do not label either form universally incorrect.
- Remember that the base noun model has one final l in both varieties.
Quick practice
1. Which form is standard in US English?
Answer: modeling
2. Which form is standard in UK English?
Answer: modelling
3. How is the base noun spelled?
Answer: model
Frequently asked questions
Is modeling or modelling correct?
Both are correct; modeling is American and modelling is British.
Is it modeled or modelled?
Modeled is American; modelled is British.
Do the spellings have different meanings?
No. The difference is regional.
Which spelling should a research paper use?
Follow the journal's required regional or house style consistently.