What is 'do you love me' in Japanese?

The sentence 'how much do you love me?' may be translated as どのぐらい私のことを愛してるんですか (donogurai watashi no koto o aishiterun desu ka) in Japanese. You may also say どのぐらい私のことを愛してるの？ (donogurai watashi no koto o aishiteru no), which is more casual.