# What is 9 lbs in kg?

How many kilograms in 9 pounds?

9 pounds equals 4.08 kilograms or 4082.3 grams

### Pounds to Kilograms Converter

 Pounds (lb) Kilograms (kg) = Detailed results here

To use this calculator, simply type the value in any box at left or at right. It accepts fractional values.

Using this converter you can get answers to questions like:

• How many kilograms are in 9 pounds?
• 9 pounds is equal to how many kilograms?
• How to convert lb to kgs?
• What is the lb to kg conversion factor?
• What is the formula to convert from lb to kg? among others.

## Definition of pound

One pound, the international avoirdupois pound, is legally defined as exactly 0.45359237 kilograms.

## Definition of kilogram

The kilogram (kg) is the SI unit of mass. It is equal to the mass of the international prototype of the kilogram. This prototype is a platinum-iridium international prototype kept at the International Bureau of Weights and Measures. One kg is approximately equal to 2.20462262184878 pounds.

## lbs to kg formula

To calculate a pound value to the corresponding value in kg, just multiply the quantity in pounds by 2.20462262184878 (the conversion factor).

pounds = kilograms × 2.20462262184878