Smelled and smelt are both correct past forms of the verb “smell,” but their use depends mainly on the type of English you write. In American English, smelled is the usual choice. In British English, both smelled and smelt are accepted.
So, if you are wondering whether to write “I smelled smoke” or “I smelt smoke,” you do not need to worry about one being completely wrong. The best choice depends on your audience and writing style.
This guide explains the smelled or smelt difference, shows when each form works, and clears up another important point: “smelt” can also refer to metal processing and a type of fish.
Smelled or Smelt at a Glance
Here is the simplest way to choose:
| Form | American English | British English | Meaning |
|---|---|---|---|
| Smelled | ✅ Standard and usual | ✅ Correct | Past tense and past participle of “smell” |
| Smelt | Uncommon for “smell” | ✅ Correct and common | Past tense and past participle of “smell” |
| Smelted | ✅ Correct | ✅ Correct | Past form of “smelt” when talking about processing metal |
Collins notes that American English usually uses smelled, while British English can use either smelled or smelt. Cambridge also lists “smelt” as a UK past form of “smell.”
Quick rule: Writing for an American audience? Choose smelled. Writing in British English? Either form can work.
What Does Smelled Mean?
Smelled is the past tense and past participle of smell. Merriam-Webster lists both “smelled” and “smelt” as valid forms of the verb.
You can use “smelled” when someone noticed an odor:
She smelled smoke in the kitchen.
You can also use it when something had a particular odor:
The flowers smelled wonderful.
In both cases, “smelled” tells us that the smelling happened in the past.
Is Smelled Correct in British English?
Yes. Smelled is correct in both American and British English. British speakers may also use “smelt,” but they do not have to. Collins specifically lists both forms for British English.
That makes “smelled” the safer choice if you write for readers from different English speaking regions.
What Does Smelt Mean?
When talking about the sense of smell, smelt can serve as the past tense and past participle of “smell,” especially in British English.
For example:
I smelt something burning.
This sentence sounds natural in British English.
An American writer would usually say:
I smelled something burning.
The meaning does not change. Only the preferred verb form changes.
Smelled vs Smelt in American and British English
The main difference between smelled or smelt comes from regional usage.
American English
American English strongly favors smelled as the past form of “smell.” Collins describes “smelled” as the form usually used in American English.
Examples:
- I smelled fresh coffee when I entered the room.
- The clothes smelled like smoke.
Using “smelt” for the past of “smell” may sound unusual to many American readers, even though dictionaries recognize the form.
British English
British English allows smelled and smelt. Cambridge explicitly gives “smelt” as a UK form, while Collins states that British English uses either version.
Examples:
- I smelled gas near the cooker.
- I smelt gas near the cooker.
Both sentences can be correct in British English.
Is Smelt Wrong in American English?
Not exactly.
Merriam-Webster lists both smelled and smelt as forms of “smell,” so “smelt” has grammatical support. However, modern American usage usually prefers smelled.
If you write for an American audience, using “smelled” will normally sound more natural.
So instead of asking, “Is smelt wrong?” a better question is, “Which form sounds natural for my audience?”
For American readers, the answer is usually smelled.
Smelled or Smelt as a Past Participle
The difference also applies when the verb appears after have, has, or had.
Both forms can act as past participles. Merriam-Webster lists “smelled” and “smelt” as both the past tense and past participle forms of “smell.”
American English:
I have smelled that perfume before.
British English:
I have smelt that perfume before.
British English can also use “have smelled.”
You do not need a different rule for the past participle. The same regional preference applies.
Be Careful: Smelt Has Other Meanings
Here is where the word can become confusing.
Smelt does not always have anything to do with your nose.
Smelt Can Mean Processing Metal
The verb smelt also means processing metal by heating material so the metal can be separated or reused. Cambridge gives this as a separate meaning of the verb.
For example:
The factory smelts metal.
The past form of this verb is smelted, not “smelled.”
The workers smelted the ore.
Cambridge lists “smelted” for this metal related meaning.
This distinction is useful:
| Meaning | Present | Past |
|---|---|---|
| Notice an odor | smell | smelled or smelt |
| Process metal | smelt | smelted |
So, “The company smelted iron” and “I smelt smoke” use words that look similar but represent different uses.
Smelt Can Also Be a Fish
Smelt is also the name of a small fish. Merriam-Webster describes smelt as a group of small bony fish, while Cambridge lists it as a small fish found in seas, rivers, and lakes.
For example:
They caught several smelt in the lake.
Here, “smelt” is a noun, not a form of the verb “smell.”
Context usually makes the meaning clear.
Why Do Both Smelled and Smelt Exist?
English sometimes keeps more than one past form of a verb. With “smell,” dictionaries recognize both the regular form smelled and the shorter form smelt.
Regional preferences then affect which form people use more often.
A similar pattern appears in several other English verbs, but you do not need to learn a larger grammar rule just to use “smell” correctly. Remembering the regional difference is enough.
Which Form Should You Use in Formal Writing?
For most international or American focused writing, smelled is the clearest choice.
It works in American English and British English, while “smelt” as the past of “smell” has a stronger British association.
If your school, company, website, or publisher follows British English, you may use either form. The main thing is consistency.
For example, if you choose British spellings such as “colour” and “favourite,” “smelt” will not look out of place. Still, “smelled” remains correct.
Common Questions About Smelled or Smelt
Is it “I smelled something” or “I smelt something”?
Both can be correct.
“I smelled something” works naturally in both American and British English. “I smelt something” is mainly associated with British English.
Is smelt the past tense of smell?
Yes. Smelt is a recognized past tense and past participle of “smell.” It is especially common in British English.
Is smelled a real word?
Yes. Smelled is a standard past tense and past participle of “smell.” It is the usual form in American English and is also correct in British English.
Should I write “smelled bad” or “smelt bad”?
Either can work in British English.
For American English, “smelled bad” is the more natural choice.
What is the past tense of smelt when talking about metal?
Use smelted.
For example:
The metal was smelted at a high temperature.
Cambridge lists “smelted” as the form connected with the metal processing verb “smelt.”
Easy Way to Remember the Difference
Still unsure which one to choose? Use this simple shortcut:
- 🇺🇸 American English: use smelled
- 🇬🇧 British English: use smelled or smelt
- 🔥 Processing metal: use smelt, with smelted for the past
- 🐟 A small fish: use smelt as a noun
For general writing, smelled gives you the widest coverage because dictionaries accept it in both major forms of English.
Final Thoughts
When choosing between smelled or smelt, both words can be correct if you mean the past of “smell.” The main difference is regional. American English usually uses smelled, while British English accepts both smelled and smelt.
If you want one form that works naturally for a wide audience, smelled is the simplest choice. Just remember that “smelt” can also describe metal processing or name a small fish, so context matters.
Want more simple English tips like this? Visit EnglishKnowledgeHub.com for clear grammar, spelling, and word-choice guides that make English easier to understand.
