Quick Answer

42 × 400

42 × 400 = 16800. To multiply 42 by 400, add 42 to itself 400 times, or use the standard multiplication algorithm. 42 × 400 = 16800.

16800

42 × 400 = 16800

How to Calculate 42 × 400

To multiply 42 by 400, add 42 to itself 400 times, or use the standard multiplication algorithm. 42 × 400 = 16800.

Expression42 × 400

Answer16800

42 × 400 = 16800

Similar multiplication calculations you might need.

Use our full calculator for any arithmetic operation.