Than vs. Then: What Is the Difference & Which Is Correct?

“Than” vs. “then” is a common English grammar confusion because these two words look and sound similar but have different meanings. Than compares people, things, or ideas, while then refers to time, sequence, or what happens next. Understanding the difference helps you write clearer sentences, avoid common spelling mistakes, and communicate more confidently.

Comparison Overview

The words than and then are both common in English, but they serve different grammatical purposes. Although their spelling differs by only one letter, you cannot usually use one in place of the other without changing the meaning of a sentence.

• Than: Used to compare two or more people, objects, qualities, quantities, or situations.
• Then: Used to describe a time, show the order of events, or explain what happens as a result of something else.

For example:

• Comparison: My car is faster than yours.
• Sequence: I finished my homework, and then I watched television.

In the first sentence, than compares the speed of two cars. In the second, then shows that watching television happened after finishing homework.

The key is to understand the purpose of the sentence rather than simply memorizing how each word is spelled.

Definition of Than

Than is a conjunction or preposition used to introduce the second part of a comparison. It helps explain how one person, thing, action, or situation differs from another.

It commonly appears after comparative words such as better, bigger, smaller, faster, taller, more, and less.

Meaning and Purpose of Than

The primary purpose of than is to show a difference between two things.

Examples:

• Sarah is taller than her brother.
• This book is more interesting than the last one.
• I would rather walk than drive.
• There are fewer students today than yesterday.
• Learning a new language is easier than many people think.

In each example, than connects two things being compared or two alternatives being considered.

When Is Than Used?

Use than when you want to:

• Compare two people, objects, or situations.
• Describe differences in size, speed, quality, price, or quantity.
• Compare actions or preferences.
• Show that one amount is greater or smaller than another.
• Complete a comparison introduced by a comparative adjective or adverb.

For example, “This laptop costs less than that one” compares the prices of two laptops.

Is Than a Noun or a Verb?

No. Than is not normally used as a noun or verb. It functions primarily as a conjunction or preposition, depending on the sentence structure.

For example:

• She is older than me.
• She is older than I am.

Both constructions are used in English. The second makes the comparison’s grammatical structure more explicit.

Definition of Then

Then is an adverb that commonly refers to a particular time, the order of events, or a result that follows from a condition or action.

Unlike than, which compares things, then helps explain when something happened or what should happen next.

Meaning and Purpose of Then

The primary purposes of then include showing time, sequence, and consequences.

Examples:

• I lived in London then.
• First, wash your hands; then prepare the food.
• If you finish your work, then you can take a break.
• We had dinner and then went for a walk.
• The road was closed, so we took a different route then.

In these sentences, then refers to a time, establishes an order, or connects a condition with a consequence.

When Is Then Used?

Use then when you want to:

• Describe something that happened at a particular time.
• Explain the order in which events occur.
• Give instructions with steps that follow one another.
• Show what happens after a condition is met.
• Refer to a past, present, or future point in a sequence.

For example, “Complete the form, then submit it” tells someone which action to perform after the first one.

Is Then a Noun or a Verb?

Then is primarily an adverb. It is not normally used as a noun or verb in standard English.

It modifies a verb or helps connect ideas by showing when something occurs or how events relate to one another.

For example:

• We will discuss the budget then.
• The company was then a small startup.
• If the figures are correct, then the plan should work.

Main Differences Between Than and Then

The main difference between than and then is their meaning and grammatical function. One is used for comparison, while the other is used for time, sequence, or consequence.

Than vs Then: Comparison Table

Feature	Than	Then
Main meaning	Comparison	Time, sequence, or consequence
Main grammatical role	Conjunction or preposition	Adverb
Common use	Comparing two things	Showing what happens next
Often follows	Better, taller, more, less, rather	First, next, after, if
Example	This bag is cheaper than that one.	Buy the bag, then keep the receipt.
Answers the question	Compared with what?	When? What happens next?
Can they replace each other?	No, not without changing meaning or making an error	No, not without changing meaning or making an error

Difference in Meaning

Than identifies the other side of a comparison.

Example: “This exercise is harder than the previous one.”

Then indicates a time or the next event.

Example: “Finish this exercise, then start the next one.”

Difference in Grammar

Than commonly follows comparative expressions:

• More expensive than
• Less difficult than
• Better than
• Faster than
• Prefer X to Y, or would rather X than Y

Then commonly appears with expressions of time and sequence:

• Back then
• Since then
• First, then
• Until then
• Now and then

Difference in Pronunciation and Spelling

In many English accents, than and then have slightly different vowel sounds, although pronunciation varies by region. In standard spelling, than contains an ‘ a’, while then contains an ‘ e ‘.

A spelling difference alone is not the best way to choose between them. Understanding the meaning is more reliable.

Than vs Then in Everyday English

These words appear frequently in conversations, emails, schoolwork, books, and online writing.

Than in Everyday English

• My tea is hotter than yours.
• I prefer reading than watching television.
• This route is shorter than the other one.

The second example is understandable, but the more natural standard construction is “I prefer reading to watching television” or “I would rather read than watch television.”

Then in Everyday English

• Call me then.
• We ate lunch and then went shopping.
• If you’re ready, then let’s begin.

Here, then tells the reader when to act or how events are ordered.

Can Both Words Appear in the Same Sentence?

Yes. A sentence can correctly use both words when it requires both comparison and sequence.

Examples:

• This test is harder than the last one, so study first and then take a break.
• She was more confident than before, and then she volunteered to speak.
• The new process is faster than the old one; then, the team can move on to the next task.

In these examples, than makes a comparison, while then indicates a later action or stage.

Grammar Guide

Understanding the grammar behind than and then makes it easier to use them correctly in different kinds of sentences.

How Each Term Is Used in Sentences

Sentence Patterns With Than

Pattern 1: Subject + verb + comparative adjective + than + comparison

Example: My room is larger than yours.

Pattern 2: Subject + verb + more/less + noun + than + comparison

Example: She has more experience than I do.

Pattern 3: Subject + would rather + verb + than + verb

Example: I would rather stay home than go out.

Pattern 4: Subject + verb + comparative adverb + than + comparison

Example: He runs faster than his friend.

Sentence Patterns With Then

Pattern 1: First action + then + second action

Example: Open the document, then read the instructions.

Pattern 2: If + condition, then + result

Example: If it rains, then we will stay indoors.

Pattern 3: Past event + then + later event

Example: I finished college and then started working.

Pattern 4: Time expression + then

Example: Things were different back then.

Common Mistakes Learners Make

Mistake 1: Using Then Instead of Than

Incorrect: My sister is older then me.

Correct: My sister is older than me.

Why? The sentence compares two people, so than is needed.

Mistake 2: Using Than Instead of Then

Incorrect: We finished dinner and than watched a movie.

Correct: We finished dinner and then watched a movie.

Why? The sentence describes two events in sequence.

Mistake 3: Confusing Comparison With Time

Incorrect: This phone is better then my old phone.

Correct: This phone is better than my old phone.

Why? The sentence compares the quality of two phones.

Mistake 4: Using Than With a Sequence

Incorrect: First, mix the ingredients, than bake the cake.

Correct: First, mix the ingredients, then bake the cake.

Why? The sentence gives instructions in chronological order.

Mistake 5: Forgetting the Correct Structure After Prefer

Less natural: I prefer coffee than tea.

More natural: I prefer coffee to tea.

Alternative: I would rather drink coffee than tea.

Why? The verb prefer commonly takes to when comparing preferences, while would rather takes than.

Simple Rules to Remember

Use these simple rules to distinguish the words:

1. Than = comparison. If you compare two people or things, use than.
2. Then = time or order. If you describe what happens next, use then.
3. Comparative words often take than. Examples include better than, taller than, and more than.
4. Instructions often use then. Example: “Save the file, then close the program.”
5. Ask the right question. If you are asking “Compared with what?”, choose than. If you are asking “When?” or “What happens next?”, choose then.

Quick Tips for Writing and Speaking

• Read the sentence aloud and identify whether you are comparing things or describing events.
• Look for comparative words such as better, faster, more, and less. These often signal than.
• Look for sequence words such as first, next, and after. These often signal then.
• Check common phrases such as more than, better than, back then, and since then.
• Proofread emails, essays, assignments, and social media posts for accidental substitutions.
• Remember that spell-checking software may not catch the error because both words are correctly spelled English words.

When to Use Each One

Choosing between than and then becomes easier when you understand the situation in which each word is appropriate.

When to Use Than

Use than when expressing a comparison or preference.

Education: “Mathematics is more challenging than I expected.”

Daily life: “This grocery store is cheaper than the one near my house.”

Business: “Our new process is more efficient than the old process.”

Science: “Water at sea level boils at a lower temperature than water in a sufficiently pressurized environment.”

Technology: “This application uses less memory than the previous version.”

In every example, then introduces a comparison.

When to Use Then

Use then when describing time, order, or a result.

Education: “Read the chapter, then answer the questions.”

Daily life: “We went to the market and then returned home.”

Business: “Review the report, then send it to your manager.”

Science: “Heat the sample, then record the temperature.”

Technology: “Install the update, then restart your device.”

In every example, then identifies a later step or event.

When NOT to Use Each One

Knowing when a word is incorrect is just as important as knowing when it is correct.

When Not to Use Than

Do not use than when you are simply describing what happened next.

Incorrect: I ate breakfast than left for work.

Correct: I ate breakfast, then left for work.

Do not automatically use than after every expression of preference.

Incorrect: I prefer tea than coffee.

Correct: I prefer tea to coffee.

Alternatively: I would rather drink tea than coffee.

Do not use than merely because two actions or events are mentioned. A comparison must be intended.

When Not to Use Then

Do not use then after comparative adjectives or adverbs when making a standard comparison.

Incorrect: My bag is heavier then yours.

Correct: My bag is heavier than yours.

Do not use then when introducing the second item in a direct comparison.

Incorrect: She is more experienced then her colleague.

Correct: She is more experienced than her colleague.

Do not confuse a later event with a greater quantity.

Incorrect: I have more books then you.

Correct: I have more books than you.

Which One to Use (Decision Guide)

Use this quick decision guide whenever you are unsure whether to write than or then.

Step 1: Identify the Meaning

Ask yourself what the sentence is trying to communicate.

• If it compares two things, use than.
• If it refers to time, sequence, or a consequence, use then.

Step 2: Look at the Words Around It

If the word follows better, worse, taller, shorter, more, or less, you probably need than.

If the sentence includes first, next, after that, or an instruction about what to do afterward, you probably need then.

Step 3: Test the Sentence

Try replacing the word with a clearer expression.

For than, test “compared with”:

“This car is faster compared with that car.”

The meaning remains similar, so than is appropriate.

For then, test “after that”:

“Finish your homework; after that, watch television.”

The meaning remains similar, so then is appropriate.

Step 4: Check the Grammar

Make sure the entire sentence follows the right pattern.

• Correct: This task is easier than the previous one.
• Correct: Complete this task, then begin the next one.
• Correct: If the information is accurate, then we can proceed.
• Correct: The information is more accurate than we expected.

Quick Decision Table

If your sentence means…	Choose
Compared with something else	Than
After that	Then
More or less than a quantity	Than
At that time	Then
Better or worse in comparison	Than
What happens next	Then
A preference using “would rather”	Than
The result of a condition	Then

Real-World Practical Examples

The following examples show how than and then work across different situations.

Than Examples

1. Education: This year’s mathematics exam was harder than last year’s exam.
2. Daily life: Walking to the store is faster than driving during rush hour.
3. Business: The revised marketing campaign generated more leads than the previous campaign.
4. Science: A metal spoon generally conducts heat more efficiently than a wooden spoon.
5. Technology: This smartphone has a better camera than my old phone.
6. Writing: The second paragraph is clearer than the first paragraph.
7. Conversation: “Your explanation was more helpful than I expected.”
8. Travel: Traveling by train can be more relaxing than driving.
9. Health and fitness: Walking regularly may be easier to maintain than an intense exercise routine for some beginners.
10. Shopping: This jacket costs less than the one we saw yesterday.

Then Examples

1. Education: Finish your assignment, then review your answers.
2. Daily life: I cleaned the kitchen and then prepared dinner.
3. Business: The manager approved the proposal, and then the team began the project.
4. Science: Add the solution to the container, then observe the reaction according to the experiment’s instructions.
5. Technology: Download the software, then follow the installation steps.
6. Writing: Introduce your topic, then explain your main argument.
7. Conversation: “I’ll call you after work, and then we can decide where to eat.”
8. Travel: We visited the museum and then walked through the city center.
9. Cooking: Chop the vegetables, then add them to the pan.
10. History: The town was much smaller then than it is today.

Self-Assessment (Fill in the Blanks)

Complete each sentence with either than or then. Pay attention to the meaning, grammar, and context clues.

1. My brother is taller ______ I am.
2. Finish your lunch, and ______ wash your dishes.
3. This book is more interesting ______ the one I read last week.
4. We visited the park and ______ went to a restaurant.
5. The new computer is faster ______ my old computer.
6. If you complete the assignment, ______ you can take a break.
7. She has more work to do ______ her colleague.
8. I lived in this neighborhood back ______.
9. This route is shorter ______ the highway route.
10. First, open the application; ______ enter your username.
11. The weather is colder today ______ it was yesterday.
12. We finished the meeting and ______ returned to our desks.
13. There are fewer cars on this road ______ on the main street.
14. Read the instructions carefully, and ______ begin the experiment.
15. The movie was better ______ I expected.
16. The store was closed, so we decided to shop online ______.
17. My new phone costs less ______ my previous phone.
18. She studied for two hours and ______ went to bed.
19. I would rather walk ______ wait for the bus.
20. If the figures are correct, ______ the project should stay within budget.

Answers

Here is the numbered answer key, with a short explanation for each choice.

1. Than: Compares the height of two people.
2. Then: Shows the next action after lunch.
3. Than: Follows the comparative expression “more interesting.”
4. Then: Shows the order of two activities.
5. Than: Compares the speed of two computers.
6. Then: Introduces the result of completing the assignment.
7. Than: Compares the amount of work assigned to two people.
8. Then: Refers to a particular time in the past.
9. Than: Compares the lengths of two routes.
10. Then: Indicates the next step in a process.
11. Than: Compares today’s temperature with yesterday’s.
12. Then: Indicates what happened after the meeting.
13. Than: Compares the number of cars on two roads.
14. Then: Shows the next step after reading the instructions.
15. Than: Completes the comparison “better than I expected.”
16. Then: Refers to the next decision or action in context.
17. Than: Compares the prices of two phones.
18. Then: Shows that going to bed happened after studying.
19. Than: Completes the structure “would rather walk than wait.”
20. Then: Introduces the consequence of the condition.

Final Verdict

The difference between than and then is simple once you focus on the meaning of the sentence.

• Use than to compare two or more things: “This option is better than the other one.”
• Use then to describe time, order, or a result: “Choose an option, then continue.”

Neither word is universally better or more correct than the other. Both are correct when used for their intended purposes.

The easiest way to remember the distinction is to think comparison = than and time or sequence = then. Check the context, look at the surrounding words, and use the word that matches the meaning you want to express. With practice, you can avoid this common English grammar mistake in conversations, essays, professional emails, and everyday writing.

Conclusion 

Understanding the difference between than vs. then is an important step toward improving your English grammar, spelling, and writing skills. Although these two words look and sound similar, they have different meanings and uses. Than is used for comparisons, such as “My bag is heavier than yours,” while then refers to time, sequence, or what happens next, as in “Finish your homework, then go outside.”

The easiest way to remember the difference is to connect than with comparisons and then with time or order. Whenever you are unsure which word to use, read the sentence carefully and consider what you want to express. Are you comparing two things, or are you describing what happens afterward? This simple question can help you choose the correct word.

With regular practice and attention to context, using than and then correctly will become much easier. Keep these rules in mind, apply them in everyday conversations, and use them confidently in emails, essays, school assignments, and professional writing.

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