To convert 400 square meters to square feet, you can use the following conversion factor:
1 square meter = 10.7639 square feet
So, to convert 400 square meters to square feet, you can use the following calculation:
400 square meters x 10.7639 square feet/square meter = 4305.56 square feet
Therefore, 400 square meters is equal to 4305.56 square feet.
To convert weight values, you need to follow these steps:
1. Determine the unit of weight you are starting with (e.g. kilograms, pounds, grams, etc.).
2. Find the conversion factor between the starting unit and the unit you want to convert to (e.g. 1 kilogram = 2.20462 pounds).
3. Multiply the value in the starting unit by the conversion factor to get the equivalent value in the desired unit.
For example, if you want to convert 10 kilograms to pounds, you would use the conversion factor 1 kilogram = 2.20462 pounds:
10 kilograms x 2.20462 pounds/kilogram = 22.0462 pounds
So, 10 kilograms is equal to 22.0462 pounds.