What is 20% of 6400?

Calculate 20% of 6400 with a complete step-by-step solution.

What is % of
Answer: 20% of 6400 = 1280
Step-by-Step Solution
Step 1 Understand the Problem

We need to find 20% of 6400.


The word "percent" means "per hundred" or "out of 100".

So 20% means 20 out of every 100.

Step 2 Convert Percentage to Decimal

To calculate with percentages, we first convert to a decimal.


Divide the percentage by 100:

20 ÷ 100 = 0.2

This means 20% = 0.2

Step 3 Multiply to Find the Result

Now multiply the decimal by the number:


0.2 × 6400 = 1280


So 20% of 6400 = 1280

Step 4 Alternative Method

You can also think of it as a fraction:


20% of 6400 = (20/100) × 6400

= (20 × 6400) / 100

= 128000 / 100

= 1280