Than vs Then: Which is Correct?

Many English learners confuse than and then because they look and sound similar. However, they have completely different meanings and uses. Understanding the difference between than and then will help you write more accurately, speak with confidence, and avoid one of the most common grammar mistakes in English.

Comparison Overview

Although than and then differ by only one letter, they serve different grammatical purposes.

Feature	Than	Then
Part of Speech	Conjunction, Preposition	Adverb, Adjective, Noun
Main Purpose	Used for comparisons	Used for time, sequence, or result
Answers	Compared to what?	When? What happened next?
Example	She is taller than me.	We ate dinner, then watched a movie.
Common Use	Comparisons	Time order and transitions

Definition of Than

Than is mainly used to make comparisons between two or more people, objects, actions, or ideas. It helps show differences in size, quality, amount, or degree.

Key Meaning

• Used when comparing things.
• Follows comparative adjectives and adverbs.
• Sometimes functions as a preposition or conjunction.

Examples:

• Cats are quieter than dogs.
• I know more than you think.
• She arrived earlier than expected.

Definition of Then

Then refers to time, order, or what happens next. It can also introduce a result or indicate a previous point in time.

Key Meaning

• Shows sequence.
• Refers to a specific time.
• Indicates the next step.
• Can describe someone’s status at that time.

Examples:

• Finish your homework, then play games.
• Back then, life was simpler.
• If it rains, then we’ll stay inside.

Main Differences Between Than and Then

Aspect	Than	Then
Meaning	Comparison	Time or sequence
Grammar	Conjunction/Preposition	Adverb, Adjective, Noun
Used With	Comparative words	Actions and events
Purpose	Compare two things	Show order or time
Question Answered	Compared to what?	When or what happened next?
Example	This book is better than that one.	Read the instructions, then begin.

Easy Comparison

• Than = Comparison
• Then = Time or Next

Comparison Table

Sentence	Correct Word	Reason
She is older ___ me.	Than	Comparison
Eat breakfast ___ leave.	Then	Sequence
I’d rather stay home ___ travel.	Than	Comparison
We met, and ___ we talked.	Then	Time order
This phone costs less ___ mine.	Than	Comparison
Finish your work, ___ relax.	Then	Next action

Grammar Guide

How each term is used in sentences

Than

Pattern:
Subject + Comparative Word + than + Comparison

Examples:

• My house is bigger than yours.
• She studies harder than her brother.
• Water is heavier than oil.
• This road is shorter than the highway.
• He earns more than I do.

Then

Pattern 1:
Action + then + Next Action

Pattern 2:
Back then

Pattern 3:
If… then…

Examples:

• Wash your hands, then eat.
• We traveled to Paris, then London.
• Back then, there were no smartphones.
• If you’re ready, then let’s begin.
• She smiled and then left.

Common mistakes learners make

• Writing then instead of than after comparative adjectives.
• Using than to describe time.
• Confusing pronunciation with spelling.
• Forgetting that then usually relates to sequence.
• Assuming both words are interchangeable.

Incorrect:

• She is taller than me.

Correct:

• She is taller than me.

Incorrect:

• Finish your work and then go home.

Correct:

• Finish your work, then go home.

Simple rules to remember

• Than = Compare
• Then = Time
• Comparative adjectives always use than.
• Steps or instructions usually use then.
• If you’re talking about what happens next, choose then.

Quick tips for writing and speaking

• Ask yourself if you’re making a comparison.
• If yes, use than.
• If you’re describing order, use then.
• Proofread carefully because spellcheck may not catch the mistake.
• Practice with everyday sentences.

When to Use Each One

Use Than When:

• Comparing people.
• Comparing objects.
• Comparing prices.
• Comparing performance.
• Comparing opinions.
• Expressing preferences.
• Using comparative adjectives.
• Discussing differences.

Examples:

• Summer is hotter than winter.
• She runs faster than I do.
• I’d rather read than watch TV.

Use Then When:

• Giving instructions.
• Telling stories.
• Explaining steps.
• Talking about the past.
• Showing consequences.
• Describing timelines.
• Moving from one event to another.

Examples:

• Mix the ingredients, then bake.
• We had lunch, then visited the museum.
• Back then, computers were expensive.

When NOT to Use Each One

Do NOT use Than

• To describe time.
• To indicate the next step.
• In chronological order.
• After action sequences.

Wrong:

• Brush your teeth than sleep.

Correct:

• Brush your teeth then sleep.

Do NOT use then

• After comparative adjectives.
• When comparing numbers.
• When expressing preferences.
• During comparisons.

Wrong:

• This laptop is cheaper then mine.

Correct:

• This laptop is cheaper than mine.

Which One to Use (Decision Guide)

Use this quick guide whenever you’re unsure.

If you are…	Use
Comparing two things	Than
Talking about what happens next	Then
Using “bigger,” “smaller,” “better,” or “faster”	Than
Giving step-by-step instructions	Then
Describing the past	Then
Expressing preference	Than
Explaining sequence	Then
Comparing prices or numbers	Than

Real-World Practical Examples

Than Examples

1. Education: Mathematics is easier than physics for me.
2. Daily Life: My sister wakes up earlier than I do.
3. Business: This supplier offers lower prices than the others.
4. Technology: This laptop is faster than my old one.
5. Science: Iron is denser than aluminum.

Then Examples

1. Education: Finish the worksheet, then submit it online.
2. Daily Life: I cleaned the house, then cooked dinner.
3. Business: The manager approved the proposal, then signed the contract.
4. Technology: Install the software, then restart your computer.
5. Conversation: We met for coffee, then went shopping.

Self-Assessment (Fill in the Blanks)

1. I will use ______ when comparing two books. The correct word is ______ because it shows comparison.
2. I will use ______ after finishing my homework. The correct word is ______ because it shows the next action.
3. My car is newer ______ yours. The correct word is ______ because it compares two cars.
4. Eat dinner, ______ brush your teeth. The correct word is ______ because it indicates sequence.
5. This bag is lighter ______ that one. The correct word is ______ because it compares weight.
6. We watched TV and ______ went to bed. The correct word is ______ because it shows order.
7. She speaks better English ______ I do. The correct word is ______ because it compares ability.
8. Back ______, people wrote letters. The correct word is ______ because it refers to the past.
9. I’d rather study ______ play games. The correct word is ______ because it expresses preference.
10. Finish the test, ______ check your answers. The correct word is ______ because it shows the next step.
11. My brother is taller ______ me. The correct word is ______ because it compares height.
12. We arrived early and ______ waited outside. The correct word is ______ because it describes sequence.
13. This phone costs more ______ mine. The correct word is ______ because it compares price.
14. If everyone agrees, ______ we’ll begin. The correct word is ______ because it introduces a result.
15. She worked harder ______ anyone else. The correct word is ______ because it compares effort.
16. Mix the ingredients and ______ bake the cake. The correct word is ______ because it shows the next action.
17. Gold is heavier ______ silver. The correct word is ______ because it compares weight.
18. We visited Rome and ______ traveled to Venice. The correct word is ______ because it indicates order.
19. This exam was easier ______ expected. The correct word is ______ because it compares difficulty.
20. Complete the registration, ______ log in. The correct word is ______ because it describes the next step.

Answers

1. Than, Than
2. Then, Then
3. Than, Than
4. Then, Then
5. Than, Than
6. Then, Then
7. Than, Than
8. Then, Then
9. Than, Than
10. Then, Then
11. Than, Than
12. Then, Then
13. Than, Than
14. Then, Then
15. Than, Than
16. Then, Then
17. Than, Than
18. Then, Then
19. Than, Than
20. Then, Then

The difference between than and then is simple once you understand their roles. Than is the correct word for making comparisons, while then is used to describe time, order, or the next step in a sequence. Although they look alike, they are not interchangeable. A helpful trick is to remember that than contains the letter “a” for comparison, while then contains the letter “e” for events. By practicing these simple rules and examples, you’ll quickly learn when to use each word correctly and avoid one of the most common mistakes in English writing and speaking.

Conclusion About Than vs Then

Understanding the difference between than vs then is one of the easiest ways to improve your English grammar and avoid a common writing mistake. While these two words look similar, they have very different purposes. Than is used for making comparisons, whereas then refers to time, sequence, or the next step in a process. Once you connect each word with its specific role, choosing the correct one becomes much more natural.

Whether you’re writing emails, school assignments, business documents, or everyday messages, using than and then correctly helps your writing appear clearer and more professional. The key is to pause for a moment and ask yourself whether you’re comparing two things or describing when something happens. With regular practice and the examples in this guide, you’ll quickly build confidence and use both words accurately in speaking and writing.

FAQs

What is the main difference between than and then?

The main difference is that than is used to make comparisons, while then is used to show time, sequence, or what happens next. If you are comparing two people, objects, or ideas, use than. If you are describing the order of events, use then.

Is than a conjunction or a preposition?

Than is most commonly used as a conjunction because it connects two parts of a comparison. In modern English, it can also function as a preposition in some contexts. Regardless of its grammatical role, its primary purpose is always to compare one thing with another.

Is then used only for time?

No. Although then often refers to time or sequence, it can also introduce a result or consequence, especially in conditional statements like “If you’re ready, then let’s begin.” It may also refer to a particular period in the past, such as “back then.”

Why do people confuse than and then?

People often confuse these words because they are spelled similarly and their pronunciation is close in many accents. However, their meanings are completely different. Remember that than is for comparisons, while then relates to time, sequence, or the next event.

Can than and then ever replace each other?

No. Than and then are not interchangeable because they have different meanings and grammatical functions. Replacing one with the other changes the meaning of a sentence and creates a grammar mistake that can confuse readers.

How can I remember the difference between than and then?

A simple memory trick is to associate than with comparisons and then with time. Whenever you see comparative words like “better,” “faster,” or “more,” use than. When describing what happens next, choose then.

Is it correct to say better then or better than?

The correct phrase is better than because “better” is a comparative adjective. Whenever you compare one thing to another, you should always use than, not then.

Can then be used at the beginning of a sentence?

Yes. Then can begin a sentence when introducing the next event or continuing a story. For example, “Then we packed our bags and left for the airport.” It creates a smooth transition between actions or ideas.

Are than and then common mistakes in English writing?

Yes. Confusing than and then is one of the most common grammar mistakes made by English learners and even native speakers. Careful proofreading and understanding each word’s purpose can help eliminate this error from your writing.

Which word should I use after comparative adjectives?

You should always use than after comparative adjectives such as “larger,” “smaller,” “better,” “older,” and “faster.” Comparative adjectives naturally require than because they compare one person, object, or idea with another.