Height is usually not as sensitive a topic as weight. It’s okay to ask about a person’s height but not a person’s weight.
Q: What’s your height?
A: I’m 5 feet, 4 inches tall.
I ask a question
You give an answer
Q: How tall are you?
A: I’m 5 feet, 11 inches tall.
or…
A: I’m 5′ 11"
You ask a question.
I give an answer.
Q: What’s his height?
A: He’s six one. (It’s possible to eliminate the use of "feet" or "inches" completely.
Q: How tall is she?
A: She doesn’t know. She has to measure herself.
Q: How tall is that apartment building?
A: It’s three stories tall.
Q: How tall are these stones?
A: They’re about 15 feet high.
Q: How tall are those skyscrapers?
A: They’re over 40 stories tall.
Weight
To learn the weight of a thing or things:
Singular
Plural
How much does this weigh?
How much do these weigh?
What does this weigh?
What do these weigh?
How heavy is this?
How heavy are these?
To learn the weight of a person:
Singular
Plural
How much do you weigh?
How much does he/she weigh?
How much do they weigh?
What’s your weight?
What’s their weight?
Don’t say:
How much pounds?
What weight is it?
It’s possible to ask, "How much do I weigh?" or "What’s my weight?" But in most situations it isn’t necessary unless you are repeating another person’s question. The examples below might help:
