It’s a small difference, but what kind of vs what kinds of can completely change your sentence. Many English learners and even native speakers hesitate when choosing between the singular kind and plural kinds. The confusion usually comes from whether the noun that follows should be singular or plural.
This guide explains the difference between what kind of and what kinds of in clear, simple terms. You’ll learn when to use each, see real examples, avoid common mistakes, and understand the grammar rule once and for all.
Quick Answer: What Kind of vs What Kinds of
- What kind of → used with singular nouns
- What kinds of → used with plural nouns
- What kind of book is this?
- What kinds of books do you read?
Simple rule:
- Kind = one type
- Kinds = multiple types
What Does “What Kind of” Mean?
What kind of is used when you’re asking about one type of something. It’s followed by a singular noun.
You use what kind of when:
- You expect one answer
- You’re referring to a category
- You’re asking about a single type
- The noun is singular
Examples of “What Kind of”
- What kind of food do you like?
- What kind of movie is this?
- What kind of phone do you have?
- What kind of job are you looking for?
- What kind of music do you enjoy?
Even though some of these nouns refer to general ideas, they are treated as singular categories.
Think: What kind of = one category
What Does “What Kinds of” Mean?
What kinds of is used when you’re asking about multiple types. It’s followed by a plural noun.
Use what kinds of when:
- You expect multiple answers
- You’re asking about varieties
- The noun is plural
- You want examples of different types
Examples of “What Kinds of”
- What kinds of books do you read?
- What kinds of food do they serve?
- What kinds of games do you play?
- What kinds of problems are you facing?
- What kinds of movies do you like?
Think: What kinds of = multiple categories
What Kind of vs What Kinds of: Comparison Table
| Feature | What kind of | What kinds of |
|---|---|---|
| Number | Singular | Plural |
| Meaning | One type | Multiple types |
| Noun form | Singular noun | Plural noun |
| Example | What kind of car | What kinds of cars |
| Usage | General category | Several varieties |
| Expected answer | One type | Multiple types |
Grammar Rule You Should Remember
The main difference depends on the noun that follows.
- What kind of car is that? ✅
- What kinds of cars do you like? ✅
Notice:
- kind → singular noun
- kinds → plural noun
This is the most important rule.
Common Mistakes People Make
Mistake 1: Mixing Singular and Plural
Incorrect: What kind of books do you read?
Correct: What kinds of books do you read.
Mistake 2: Using “Kinds” with Singular Nouns
Incorrect: What kinds of food do you like?
Correct: What kind of food do you like.
However, this can change depending on meaning:
- What kind of food (general category)
- What kinds of foods (different dishes)
Both can be correct depending on context.
Mistake 3: Forgetting Meaning Changes
These two phrases are not always interchangeable.
What kind of music do you like?
→ Asking for one general preference
What kinds of music do you like?
→ Asking for multiple genres
Meaning Difference in Context
Example 1
What kind of music do you like?
→ Maybe: Pop
What kinds of music do you like?
→ Maybe: Pop, jazz, rock
Example 2
What kind of car do you want?
→ One category
What kinds of cars do you want?
→ Multiple options
Example 3
What kind of teacher is he?
→ Asking about personality
What kinds of teachers work here?
→ Asking about types of teachers
When Both Are Correct
Sometimes both are correct, but they slightly change meaning.
What kind of food do you like?
→ General category
What kinds of foods do you like?
→ Multiple dishes
What kind of movies do you like? ❌ (grammatically awkward)
Better:
- What kind of movie do you like?
- What kinds of movies do you like?
Easy Trick to Remember
Use this simple rule:
- Kind = one
- Kinds = many
Or:
- No “s” → one type
- With “s” → multiple types
This helps you decide instantly.
Real Life Examples
Everyday Conversation
- What kind of coffee do you drink?
- What kinds of desserts do you like?
Work Context
- What kind of experience do you have?
- What kinds of projects have you worked on?
School Context
- What kind of subject is this?
- What kinds of subjects do you study?
Shopping Context
- What kind of shoes are these?
- What kinds of shoes do you sell?
What About Uncountable Nouns?
Uncountable nouns usually use what kind of.
Examples:
- What kind of water is this?
- What kind of music do you like?
- What kind of advice did he give?
But you can make them plural if talking about varieties:
- What kinds of waters are available? (different bottled waters)
- What kinds of music do you like? (genres)
American vs British English
There is no difference between American and British English for what kind of vs what kinds of. Both follow the same grammar rules.
Both regions use:
- What kind of + singular noun
- What kinds of + plural noun
The usage is identical worldwide.
Similar Phrases You Might See
These follow the same rule:
- Which kind of / Which kinds of
- This kind of / These kinds of
- That kind of / Those kinds of
- One kind of / Many kinds of
Examples:
- This kind of problem is common.
- These kinds of problems happen often.
Frequently Asked Questions
Is it what kind of or what kinds of?
Both are correct. Use what kind of for singular and what kinds of for plural.
What kind of vs what kinds of grammar rule?
Use kind with singular nouns and kinds with plural nouns.
Can I say what kind of books?
Grammatically, it’s better to say what kinds of books.
What kind of food vs what kinds of food?
Both are correct. The first asks generally, the second asks for varieties.
Which is more common?
Both are common. It depends on whether you’re asking about one type or many.
What kind of music vs what kinds of music?
Both work. “Kind” asks generally; “kinds” asks for multiple genres.
Is what kind of singular?
Yes. It refers to one type.
Is what kinds of plural?
Yes. It refers to multiple types.
Summary:
The difference between what kind of vs what kinds of depends on number. What kind of is used with singular nouns and asks about one type or category. What kinds of is used with plural nouns and asks about multiple types or varieties. This small grammar change affects meaning, clarity, and tone.
Using the correct phrase makes your English sound more natural and precise. When you’re asking about a general category, use what kind of. When you want several examples or options, use what kinds of. Remember: kind = one, kinds = many. This simple rule helps you choose correctly every time.
Actionable takeaway:
Before choosing, check the noun. If it’s singular, use what kind of. If it’s plural, use what kinds of.
