Practice
Unto or onto: which word fits?
The cat jumped onto the chair. The word tells us where the cat moved. Unto has a different history and a different role, so it does not fit in that sentence.
Use onto for movement to a surface, and recognize unto as a formal or old-fashioned form that usually means to in modern English.
Read and practice
Read the examples and try the written questions in this guide. Listening recordings are not available for this lesson yet.
Try the written questions
onto /ˈɑːntuː/
The short answer
Choose onto for movement to a surface: The child climbed onto the bus. Unto usually means to and sounds formal or old-fashioned in modern English. Do not use unto when you mean movement onto a surface.
She placed the keys onto the shelf.
Why it works: Onto shows the direction of movement and the final position on the shelf.
5 more examples
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The puppy climbed onto the couch after dinner.
The puppy moves and finishes on the couch, so onto names the surface destination.
Not this:The puppy
walked to the doorafter dinner. What changes: To names a destination, but the sentence does not say that the puppy moved onto a surface. -
Please put the signed form onto my desk.
The form moves to a position on the desk. That movement makes onto a natural choice.
Not this:Please send the signed form
to my office. What changes: An office is a general destination, so to is the useful word here. -
The actor stepped onto the stage when the music began.
The actor moves from one place to the surface of the stage.
Not this:The actor
walked to the stagebefore the show. What changes: This sentence gives the stage as the destination without describing the final step onto its surface. -
The letter was addressed unto the mayor.
Unto has the meaning to here, but the phrase has a formal, old-fashioned tone.
Not this:The letter was addressed
to the mayor. What changes: To carries the same basic relationship in normal modern writing. -
The guide told us to step onto the marked path.
The group moves to the surface of the path, so onto gives the needed direction.
Not this:The guide spoke
unto the groupin a ceremonial style. What changes: Unto means to the group and creates a deliberately formal tone. It does not describe movement to a surface.
Read the full guide
Start with the action. If a person or object moves and ends on a surface, use onto. If you meet unto in a text, read it as a formal form of to unless the sentence gives a special reason to preserve the original wording.
Look for movement to a surface
Use onto when the sentence describes movement and the final place is a surface. The movement can be large, like climbing onto a roof, or small, like putting a cup onto a table.
The cyclist lifted the bike onto the rack.
The bike moves and finishes on the rack, so onto explains the direction.
Choose the word: The child climbed ___ the wall.
Use onto: The child climbed onto the wall.
Use to for an ordinary destination
Not every destination needs onto. Use to when the sentence only names where someone or something goes. The station, the office, and a friend can all be destinations without being surfaces.
We took the train to the airport.
The airport is the destination, but the sentence does not describe movement onto a surface.
Choose the word: I sent the invoice ___ the client.
Use to: I sent the invoice to the client.
Recognize the tone of unto
Unto usually means to, but it belongs mainly to older, religious, legal, or ceremonial language. It can be correct when a quotation needs its original words. For a new sentence in everyday English, to is the normal choice.
The messenger spoke unto the king.
In current everyday English, write: The messenger spoke to the king.
Choose the natural modern form: She wrote ___ her manager.
Use to: She wrote to her manager.
Keep onto and unto in separate jobs
The two words are not alternatives for the same action. Onto shows direction toward a surface. Unto expresses a formal version of to. Ask whether the sentence needs a surface destination or a person or thing that receives an action.
She poured the tea onto the tray, then carried it to the guests.
Onto describes the tea moving to the tray. To describes who receives the tea.
Which word shows movement to the surface of a bench?
Use onto: He sat onto the bench after the race.
Check whether on belongs with the verb
Sometimes you need on to rather than onto. In We moved on to the next topic, on completes move on and to starts the phrase the next topic. If one word means movement to a surface, use onto instead.
After lunch, the class moved on to a new exercise.
Moved on means continued. The word to introduces the next exercise.
Choose the form for movement to a stage: The speaker walked ___ the stage.
Use onto: The speaker walked onto the stage.
Before you go
Remember this
Use onto for movement to a surface. Treat unto as a formal or old-fashioned form of to, not as a substitute for onto. When you write modern everyday English, choose the word that shows the relationship your sentence needs.
Practice with the written examples
You can practice with the written questions in the Learn tab. Each answer includes an explanation.
Try the written questionsListening test not available yet
This lesson does not have the recordings needed for a listening test. Use the written questions in the guide to check your understanding.
Try the written questionsQuestions about "Unto or onto: which word fits?"
Can I use unto instead of onto?
No. Use onto when an action moves someone or something to a surface, such as a chair, shelf, stage, or platform. Unto normally means to in formal or old-fashioned language, so it does not express that surface movement.
The puppy climbed onto the couch after dinner.
Is unto wrong in modern English?
Unto is not always wrong, but it is uncommon in everyday modern English. You may keep it in a quotation, a religious text, or a deliberately ceremonial sentence. In most new writing, use to when you mean a person or destination.
The puppy walked to the door after dinner.
When should I use onto rather than to?
Use onto when the sentence describes movement to a surface. Choose to for a general destination or a person who receives something. Compare put the box onto the table with send the box to the office.
Please put the signed form onto my desk.
What is the difference between onto and on to?
Use onto as one word for movement to a surface. Use on to as two words when on belongs with the verb and to begins a new phrase, as in move on to the next item. Check the job of each word in the sentence.
Please send the signed form to my office.
Can onto follow any movement verb?
Onto often follows verbs such as climb, jump, place, step, slide, and put when the action ends on a surface. It is not needed after every movement verb, so use to when the sentence gives only a general destination.
The actor stepped onto the stage when the music began.