Pounds to kg

Both pounds and kilograms are used to measure the mass/weight of the object. In this article, you will understand the meaning of pound and kg, the conversion of mass/weight from pounds to kilograms in detail, along with examples.

Pounds vs kg

A pound is a unit of mass used in the imperial and US customary systems of measurement. The symbol used to represent the pound is lb. The standard pound used today was earlier called the international avoirdupois pound and is precisely 0.45359237 kilograms.

The base unit of mass in the International System of Units (SI) is a kilogram. This can be represented with the symbol “kg”. It is currently defined based on the fixed numerical value of the Planck constant, h, which is equivalent to 6.62607015 × 10-34 in the units of J·s, or kg·m2·s-1. The purpose of changes made as per the new definition given in 2019 is to improve SI base units but not to change how they are accepted throughout the world.

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Now, let’s understand how to convert pounds to kg and vice versa. This will help us in the conversion of units of mass in many real life situations.

Pounds to kg conversion

The below formula is used to represent pounds in kg. Thus, pounds to kg formula is given by:

1 lbs = 0.45359237 kg

The formula to convert kg into pounds (lbs) is given below.

1 kg = 2.2046226218 lbs

These are used to convert the mass of objects from pounds into kg.

Pounds to kg table

The below table shows the conversion of weight from pounds to kilograms.

Pound (lbs)

Kilogram (kg)

0.001 lbs

0.0004535924 kg

0.1 lbs

0.045359237 kg

1 lb

0.45359237 kg

2 lbs

0.90718474 kg

3 lbs

1.36077711 kg

4 lbs

1.81436948 kg

5 lbs

2.26796185 kg

6 lbs

2.72155422 kg

7 lbs

3.17514659 kg

8 lbs

3.62873896 kg

9 lbs

4.08233133 kg

10 lbs

4.5359237 kg

50 lbs

22.6796185 kg

100 lbs

45.359237 kg

What is the difference between lb and kg?

As we know, lb and kg are used to measure the weight or mass. Pounds are denoted with “lb” and kilograms are denoted with “kg”. However, a few differences between lb and kg are tabulated below.

Pound (lb)

Kilogram (kg)

lb is the abbreviation term for pounds.

kg is the abbreviation term for kilogram(s).

A pound is an imperial unit of mass or weight measure.

A kilogram is a metric unit of measurement.

A pound is equivalent to 0.4535 kilograms.

One kilogram is equivalent to 2.2046 pounds.

The unit pound is derived from a Germanic word and is mostly used in countries like the U.S. and UK.

The unit kilogram is derived from a Greek word and is widely used as the measurement unit in most countries.

Which is greater lbs or kg

We can say that one kg is greater than 1 lb since one pound is equivalent to 0.45359237 kilograms. Hence, lbs is always less than kg.


Q.1: Express 7 lbs in kilograms.


We know that,

1 lb = 0.45359237 kg

7 lbs = 7 × 0.45359237 kg

= 3.17514659 kg

Therefore, 7 lbs means 3.17514659 kilograms.

Q.2: What does 10 kg mean in pounds?


1 kg = 2.2046226218 lbs

10 kg = 10 × 2.2046226218 lbs

= 22.046226218 lbs

Therefore, 10 Kilograms = 22.046226218 Pounds

Q.3: What does 8 kg mean in pounds?


1 kg = 2.2046226218 lbs

8 kg = 8 × 2.2046226218 lbs

= 17.6369809744 lbs

Therefore, 8 Kilograms = 17.6369809744 Pounds

Frequently Asked Questions on Pounds to kg

How many pounds means 1 kg?

As we know, 1 kg is equivalent to 2.2046226218 lbs, and 1 lb is equal to 0.45359237 kg. Thus, 2.204 pounds (approx) means 1 kilogram.

What does 55 kg mean in pounds?

Using the conversion formula for pounds in kg, we can find the value of 55 kg in pounds as:

1 kg = 2.2046226218 lbs

55 kg = 55 × 2.2046226218 lbs

= 121.254244199 lbs

Therefore, 55 Kilograms = 121.25424 Pounds

What does 72 kg mean in pounds?

Using the conversion formula for pounds in kg, we can find the value of 72 kg in pounds as:

1 kg = 2.2046226218 lbs

72 kg = 72 × 2.2046226218 lbs

= 158.73282877 lbs

Therefore, 72 Kilograms = 158.73282877 Pounds

What weight is 134 kg in pounds

We know that,

1 kg = 2.2046226218 lbs

134 kg = 134 × 2.2046226218 lbs

= 295.419431321 lbs

Thus, a weight of 295.419431321 is 134 kg in pounds.

What does 4 kg mean in pounds?

We know that,

1 kg = 2.2046226218 lbs

4 kg = 4 × 2.2046226218 lbs

= 8.8184904872 lbs

Hence, 4 kg means 8.8184904872 lbs (pounds).

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