Quick answer: To shows direction or comes before a verb (go to school, to eat). Too means also or excessively (me too, too hot). Two is the number 2.
To
A preposition (“We drove to the city”) and part of the infinitive (“I want to learn”).
Too
Means “also” (“Can I come too?”) or “more than enough” (“This soup is too salty”).
Two
Only ever the number: “I have two sisters.”
Examples
| Incorrect | Correct |
|---|---|
| I love you to. | I love you too. |
| It’s to cold outside. | It’s too cold outside. |
| I want too go home. | I want to go home. |
Memory trick
Too has an extra O, because it means “extra” or “also”.
Related guides
- A lot or alot?Which spelling is correct
- Their, there or they’re?Three words, three meanings
- Your or you’re?Possession vs you are
- Its or it’s?The apostrophe rule
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Frequently asked questions
Is it “me to” or “me too”?
“Me too”, because it means “me also”.
Is it “too much” or “to much”?
“Too much”, meaning more than enough.
Does a spell checker catch to vs too?
A basic spell checker does not, because both are real words. A grammar checker like SpellMistake looks at context to catch many of these.