To vs too: what’s the difference?

The difference at a glance

Use “to” for a destination or recipient, or to introduce an infinitive such as “to finish”. Use “too” when you mean “also” or “more than wanted or suitable”: “I’m coming too” and “too expensive”. The meaning of the sentence decides the spelling.

Both spellings can sound the same, so listening alone will not always solve the problem. Ask what the word contributes: a relationship, an action, an addition or an excess? Those four jobs cover the most common everyday choices. [1] [2]

To and too compared

Meaning first, spelling second
Job in the sentence	Use to	Use too
Destination	We are travelling to York.	Does not mark the destination [1]
Recipient	Send the timetable to Priya.	Does not introduce the recipient [1]
Infinitive	I hope to finish this afternoon.	Does not introduce this verb form [3]
Addition: also	Does not mean also	Priya is coming too. [2]
Excess	Does not mean more than suitable	The suitcase is too heavy. [2]

The example sentences in this guide are original. The table shows different grammatical jobs; it is not a rule that one word always appears in one position.

When to use to

Destination and recipient

In “We walked to the station”, to connects the walking with its destination. In “I sent the receipt to Amira”, it introduces the recipient. Trying also in either place breaks the intended meaning. [1]

To can also introduce an end point. “The exhibition runs from Monday to Friday” gives the end of a period; “It is ten to four” means ten minutes before four. These uses still take one o. [1]

To plus the base form of a verb

“I want to book a ticket” and “We need to leave” use a to-infinitive. The base form is book or leave. Too book cannot do that job. [3]

That does not mean every verb must have to before it. After a modal such as can, use the base form: “We can leave”. The useful test is whether this sentence actually needs a to-infinitive, rather than whether any verb is nearby. [3]

When to use too

Too meaning also

“I bought a return ticket too” adds another fact. Replacing too with as well preserves that meaning. This use commonly comes at the end of a clause. In an informal short reply, “Me too” means that the same thing applies to me. [2]

Too meaning an excess

“The platform is too crowded” says the crowding exceeds a suitable level. “The message arrived too late” says its timing caused a problem. Here too comes directly before an adjective or adverb. [2]

Use too much with an uncountable amount, such as “too much luggage”, and too many with countable items, such as “too many bags”. Do not turn “too heavy” into “too much heavy”: heavy is an adjective, not a quantity of a noun. [2]

Why too and to can both appear together

“The bag is too heavy to carry” is correct. The first word gives the excess; the second introduces the action. Removing the second o from the first word would not simplify the sentence — it would lose the intended meaning. [2] [3]

The jobs in one original sentence

The bag is → too heavy (excess weight) → to carry (the action affected).

“Very heavy” and “too heavy” also differ. Very increases the degree; too says the degree is excessive for the relevant purpose. A bag may be very heavy but still manageable, or too heavy for this particular person to carry. [2]

Practise five original sentences

Choose the spelling, then open the answer and explain the job it performs. You can operate each reveal with a mouse or keyboard.

1. “The coach goes ___ Leeds.”

To. Leeds is the destination. “The coach goes also Leeds” does not express that relationship. [1]

2. “This parcel is ___ heavy for the shelf.”

Too. The weight exceeds what suits the shelf. Too modifies the adjective heavy. [2]

3. “I would like a receipt ___.”

Too. It means as well: a receipt is being added to something else. [2]

4. “There are ___ many tabs open.”

Too. The count is excessive. Tabs is countable, so the quantity phrase is too many. [2]

5. “The box is ___ small ___ hold the folders.”

Too small to hold. The first blank describes excessive smallness for the task; the second introduces hold. Both spellings are needed in the same sentence. [2] [3]

Frequently asked questions

Is it “to late” or “too late”?

Use too late when the time is later than suitable. Compare “I arrived too late to collect it”: the first word is the excess, and the second introduces collect. [2] [3]

Is it “I want to” or “I want too”?

Use I want to when it introduces, or stands for, an action: “I want to leave.” Use too when the intended meaning is also, in a sentence such as “I want a copy too.” [1] [2]

What about two?

Two is the number 2. It does a separate job: “Two passengers want to come too.” The number, infinitive and addition can all occur together.

Sources

Source pages checked on 7 October 2026. The practical examples and exercises were written for this article.

To — English definition — Cambridge Dictionary.
Too — English Grammar Today — Cambridge University Press & Assessment.
Infinitives with and without to — English Grammar Today — Cambridge University Press & Assessment.

AI tools assisted with drafting and the featured editorial illustration. The illustration is not a photograph, measurement or test result. Claims were checked against the linked sources; no independent human expert review is claimed.