mpg vs my, What's the Difference?

Which to use

“mpg” is a symbol and “my” is a determiner - they look or sound alike but fill different roles in a sentence.

#26,893
“mpg” frequency rank: #27
“my” frequency rank: 26920
confusion score

Side-by-Side Comparison

Feature	mpg	my
Definition	Alternative letter-case form of MPG.	First-person singular possessive determiner. See Appendix:Possessive#English.

Letter map: mpg vs my

Shared letters muted; letters that set mpg and my apart highlighted. Shared run: 1.

3 ch

mpg

2 ch

Role in the sentence - mpg and my

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mpg is asymbol and myadeterminer. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 26920, derived from the frequency rank of both members and their visual similarity.

mpg is recorded at frequency rank #26,893, classified as asymbol. my is at rank #27, tagged as adet, pronounced /maɪ/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 26920, this pair ranks #383,045 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mpg vs my

Shared letters: m. Private to "mpg": gp. Private to "my": y.

"mpg" · 3 letters · shape CCC · "my" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "mpg" for "my" ever safe?

No - they are not even the same part of speech. "mpg" is a symbol and "my" a determiner, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "mpg" or "my"?

"my" is the more common of the two: it sits at frequency rank #27 in our English list, against #26,893 for "mpg". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "mpg" and "my".

Full dictionary entry for "mpg" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "my" - compare definitions side by side with the headword page. Word entry
This pair ranks #383,045 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"mpg" and "my" also get mixed up with nearby pairs, the highest-scored neighbour is "MPAA vs mpg". Nearby pair

Confusion rank #383,045 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.