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How many grams are in a kilogram? Converting grams to kilograms or vice versa is easier than you think. Whether you are practicing portion control or baking up a storm in the kitchen, knowing how to convert grams to kilograms can simplify the process.

Our gram-to-kilogram conversion guide features easy-to-use math formulas to quickly convert measurements of grams to kilograms and kilograms to grams and handy conversion charts to make weight conversions effortless.

TL;DR (Too Long; Didn’t Read): 1,000 grams are in one kilogram.

Mass and Weight: Defined

When dealing with grams, kilograms, and other units of weight measurements, it is important to know the difference between weight and mass. These terms are often mixed up but refer to different things.

What Is Mass?

Mass is the amount of matter in an item, measured in grams and kilograms. These units of measurement are based on the metric system of measurement.

What Is Weight?

The gravitational force exerted on an object determines its weight.

The Relationship Between Mass and Weight

Weight is determined by the gravitational force on an object. Here is a formula to help you understand the relationship between mass and weight:

Weight = Acceleration due to gravity x mass

Gravity is relatively the same anywhere on Earth, with slight variations due to altitude changes and centrifugal forces from the planet’s rotation. 

However, the force of gravity changes if you are on the moon or Mars, for example. So, a person would technically weigh less on the moon than on Earth but have the same mass in both places. Mass does not change, but the weight can.

Summary: Mass does not change. It remains the same wherever you are. Weight depends on the acceleration due to gravity of the location. For example, in an environment without gravity, the weight of an object would be zero because there is no gravitational force exerted on the object. 

What Are Metric Units of Weight?

The United States typically uses U.S. customary units of mass such as ounces, pounds, and tons. Almost everywhere else uses the metric system of measurements that uses grams, kilograms, and metric tons.

For quick reference, here is the conversion between different metric units of mass:

  • 1,000 grams = 1 kilogram
  • 1,000 kilograms = 1 metric ton
  • 1,000,000 grams = 1 metric ton

Prefixes allow you to convey weight as fractions or multiples of a gram.

  • 1 gigatonne (Gt) = 1,000,000,000,000,000 grams
  • 1 megatonne (Mt) = 1,000,000,000,000 grams
  • 1 tonne (t) = 1,000,000 grams
  • 1 kilogram (kg) = 1,000 grams
  • 1 gram (g) = 1 gram
  • 1 milligram (mg) – 0.001 grams
  • 1 microgram (µg) = 0.000001 grams
  • 1 nanogram (ng) = 0.000000001 grams
  • 1 picogram (pg) = 0.000000000001 grams

Converting Pounds to Grams

One pound is equal to 453.5923 grams. 

To convert pounds to grams, multiply the number of pounds by 453.5923. For example, to determine the number of grams in 10 pounds, multiply 10 by 453.5923.

10 pounds x 453.5923 = 4,535.923 grams

Converting Pounds to Kilograms

One pound is equal to 0.4535923 kilograms.

To convert pounds to kilograms, multiply the number of pounds by 0.4535923. For example, to determine the number of kilograms in 10 pounds, multiply 10 by 0.4535923.

10 pounds x 0.4535923 = 4.535923 kilograms

For an approximate result, you can also divide the mass value by 2.205

10 pounds ÷ 2.205 = 4.53514739229 kilograms

Converting Ounces to Grams

One ounce is equal to 28.3495 grams.

To convert ounces to grams, multiply the number of ounces by 28.3495. For example, to determine the number of grams in 5 ounces, multiply 5 by 28.3495.

5 ounces x 28.3495 = 141.7475 grams

Converting Ounces to Kilograms

One ounce is equal to 0.0283495 kilograms.

To convert ounces to kilograms, multiply the number of ounces by 0.0283495. For example, to determine the number of kilograms in 12 ounces, multiply 12 by 0.0283495.

12 ounces x 0.0283495 = 0.340194 kilograms

You can also divide the mass value by 35.274.

12 ounces ÷ 35.274 = 0.34019391052 kilograms

What Is a Gram?

Merriam-Webster defines a gram (g or gm) as a “metric unit of mass equal to 1/1000 kilogram and nearly equal to the mass of one cubic centimeter of water at its maximum density.”

In the United States, ounces and pounds are more commonly used than grams. Food product labels will feature grams on the nutrition label.

Grams refer to units of mass. One-thousand grams equals one kilogram or about 2.2 pounds.

What Is a Kilogram?

Merriam-Webster defines a kilogram (kg) as “the base unit of mass in the International System of Units that is defined by setting the fixed numerical value of Planck’s constant to 6.62607015 x joule seconds.”

A kilogram is a unit of mass for the metric system. One gram equals 0.001 kilograms.

How Many Grams Are in a Kilogram?

There are 1,000 grams in one kilogram.

Grams = (Amount of kilograms) x 1,000

How Many Kilograms Are in a Gram?

There are 0.001 kilograms in one gram.

Kilograms = (Amount of grams) ÷ 1,000

How to Convert Grams to Kilograms

To convert grams to kilograms, divide the number of grams by 1,000.

Convert grams to kilograms using this formula:

Kilograms = Grams divided by 1,000

Examples:

1 gram ÷ 1,000 = 0.001 kg

2 grams ÷ 1,000 = 0.002 kg

10 grams ÷ 1,000 = 0.01 kg

125 grams ÷ 1,000 = 0.125

250 grams ÷ 1,000 = 0.25 kg

500 grams ÷ 1,000 = 0.5 kg

1,000 grams ÷ 1,000 = 1 kg

You can also multiply the number of grams by 0.001.

Kilograms = Grams x 0.001

Examples:

10 grams x 0.001 = 0.01 kg

12.5 grams x 0.001 = 0.0125 kg

100 grams x 0.001 = 0.1 kg

500 grams x 0.001 = 0.5 kg

1,000 grams x 0.001 = 1 kg

Summary: To convert grams to kilograms, divide the number of grams by 1,000 or multiply the number of grams by 0.001.

How to Convert Grams to Kilograms by Shifting the Decimal Point

One easy way to convert grams to kilograms without doing any math is to shift the decimal point three spaces to the left. This conversion method works because the metric system is based on multiples of ten.

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For example, to convert 77 grams to kilograms, you would move the decimal point to the right of the last 7 and fill in blank spaces with a zero. Seventy-seven grams can be written as 77.0 grams. Moving the decimal point three spaces to the left would result in 0.077 grams.

How to Convert Grams to Kilograms in Excel

To convert grams to kilograms in Excel, you need to use the CONVERT function, which converts a value in one system of measurement to another. For example, you can use the convert function to convert grams into pounds, gallons into liters, feet into meters, and more.

Syntax

  • CONVERT(number,“from_unit,”“to_unit”)
  • “Number” refers to the numeric value you want to convert
  • “From_unit” is the unit you want to convert from. Use quotations.
  • “To unit” is the unit you want to convert to. Use quotations.
  • Denote grams as “g”
  • Denote kilograms as “kg”

Examples of formulas and their results:

=CONVERT(10,”g”,“kg”) results in 0.01

=CONVERT(554.5,”g”,”kg”) results in 0.5545

=CONVERT(1000,”g”,”kg”) results in 1

How to Convert Kilograms to Grams

To convert kilograms to grams, multiply the number of kilograms by 1,000.

Convert kilograms to grams with this formula:

Grams = Kilograms x 1,000

Examples:

1 kilogram x 1,000 = 1,000 grams

2 kilograms x 1,000 = 2,000 kilograms

0.25 kilograms x 1,000 = 250 grams

0.5 kilograms x 1,000 = 500 grams

0.75 grams x 1,000 = 750 grams

1.5 kilograms x 1,000 = 1,500 grams

100 kilograms x 1,000 = 100,000 grams

Summary: To convert kilograms to grams, multiply the number of kilograms by 1,000. 

Gram to Kilogram Conversion Table

We make converting grams to kilograms easy. Our informative gram-to-kilogram conversion table makes converting metric units of mass simple.

Grams (gm)Kilograms (kg)
1 gm0.001 kg
2 gm0.002 kg
3 gm0.003 kg
4 gm0.004 kg
5 gm0.005 kg
6 gm0.006 kg
7 gm0.007 kg
8 gm0.008 kg
9 gm0.009 kg
10 gm0.01 kg
100 gm0.1 kg
200 gm0.2 kg
300 gm0.3 kg
400 gm0.4 kg
500 gm0.5 kg
600 gm0.6 kg
700 gm0.7 kg
800 gm0.8 kg
900 gm0.9 kg
1,000 gm1 kg

Kilogram to Gram Conversion Table

Looking for an easy visual guide to converting kilograms to grams? Our conversion chart makes it easy to understand different conversions from kilograms to grams.

Kilograms (kg)Grams (gm)
1 kg1,000 gm
2 kg2,000 gm
3 kg3,000 gm
4 kg4,000 gm
5 kg5,000 gm
6 kg6,000 gm
7 kg7,000 gm
8 kg8,000 gm
9 kg9,000 gm
10 kg10,000 gm
20 kg20,000 gm
30 kg30,000 gm
40 kg40,000 gm
50 kg50, 000 gm
60 kg60, 000 gm
70 kg70,000 gm
80 kg80,000 gm
90 kg90,000 gm
100 kg100,000 gm

FAQs About Gram to Kilogram Conversions

Here are people’s most frequently asked questions about gram-to-kilogram conversions and related conversions.

What Are the Similarities Between Grams and Kilograms?

Grams and kilograms are units of mass in the metric system. Both units of mass measure dry items, not liquid materials.

What Are the Differences Between Grams and Kilograms?

Grams refer to a small amount of mass, while kilograms refer to a larger amount. One kilogram is equal to 1,000 grams.

How Many Grams Are in 1.5 kg?

There are 1,500 grams in 1.5 kilograms. To find out the number of grams in 1.5 kg, multiply the number of kilograms by 1,000. 

1.5 kg x 1,000 = 1,500 grams

How Many Grams Are in 2 kg?

There are 2,000 grams in 2 kilograms. To determine the number of grams in 2 kilograms, multiply 2 kilograms by 1,000. 

2 kg x 1,000 = 2,000 grams

How Many Grams in 3 kg?

There are 3,000 grams in 3 kilograms.To find out how many grams are in 3 kilograms, multiply 3 kilograms by 1,000.

3 kg x 1,000 = 3,000 grams

How Many Grams in 4 kg?

There are 4,000 grams in 4 kilograms. To find out how many grams are in 4 kilograms, multiply 4 kilograms by 1,000.

4 kg x 1,000 = 4,000 grams 

How Many Grams in 5 kg?

There are 5,000 grams in 5 kilograms.To determine how many grams are in 5 kilograms, multiply 5 kilograms by 1,000.

5 kg x 1,000 = 5,000 grams

How Do I Convert 50 g to kg?

Convert 50 grams to kilograms by dividing 50 by 1,000. This equals 0.05 kilograms.

50 grams ÷ 1,000 = 0.05 kilograms

How Do I Convert 100 g to kg?

To convert 100 grams to kilograms, divide the number of grams by 1,000. So, you would divide 100 by 1,000. 100 grams is equal to 0.1 kilograms.

100 grams ÷ 1,000 = 0.1 kilograms

How Do I Convert 500 g to kg?

To convert 500 grams to kilograms, divide the number of grams by 1,000. Divide 500 by 1,000 to get 0.5 kilograms.

500 grams ÷ 1,000 = 0.5 kilograms

How Do I Convert 1,000 Grams to Kilograms?

Convert 1,000 grams to kilograms by dividing by 1,000. 1,000 divided by 1,000 equals one kilogram.

1,000 grams ÷ 1,000 = 1 kilogram

How Many Kilograms Are in 44 Pounds?

There are 19.9581 kilograms in 44 pounds. To convert pounds to kilograms, divide the number of pounds by 2.20462 since there are 2.20462 pounds in one kilogram.

Kilograms = 44 ÷ 2.20462 = 19.9581 kilograms

How Many Kilograms Are 200 lbs?

There are 90.7185 kilograms in 200 pounds. To convert 200 pounds to its kilogram equivalent, divide 200 by 2.20462.

Kilograms = 200 ÷ 2.20462 = 90.7185 kilograms

How Many Kilograms in an Ounce?

There are 0.02834952 kilograms in one ounce. To determine the kilogram equivalent of a mass in ounces, multiply the mass in ounces by 0.02834952. 

For example, to convert 10 ounces to kilograms, multiply 10 by 0.02834952.

Kilograms = 10 x 0.02834952 = 0.2834952 kilograms.

Is a Kilogram Bigger Than a Gram?

Yes, a kilogram represents a larger mass value than a gram. A kilogram is made up of 1,000 grams.

How Many Kilograms Are There in a Pound?

There are 0.453592 kilograms in one pound. One kilogram equals 2.20462 pounds.

How Many Kilograms Are There in a Ton?

There are 907.185 kilograms in a U.S. ton. There are 1,000 kilograms in a metric ton.

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It is important to understand the difference between a U.S. ton and a metric ton. One U.S. ton is equal to 2,000 pounds. One metric ton equals 2,204.62 pounds. One metric ton is heavier than a U.S. ton.

How Many Kilograms in a Liter?

To convert a liter measurement into kilograms, multiply the density of the material and its volume. 

Kilograms = Liters x Ingredient density

For example, to convert 10 liters to kilograms for an ingredient with a 0.7 g/mL density, this would be the formula:

10 liters = (10 x 0.7) = 7 kg

Is a Kilo a kg?

Yes, a kilogram is also known as a kilo, and kg is an abbreviated version.

How Many Kilograms in a Milligram?

There are 1,000,000 milligrams in one kilogram. Therefore, one milligram is equal to 0.000001 kilograms.

Which Is Heavier: Kilograms or Pounds?

A kilogram is equal to 2.20462 pounds. Therefore, one kilogram is heavier than one pound.

Who Invented Kilograms?

Seventeen countries signed the Treaty of the Meter on May 20, 1875, establishing international standards for length and mass. The treaty defined the kilogram as the official unit of mass.

When Was the Kilogram Redefined?

In November 2018, the General Conference on Weights and Measures (CGMP) revised the definition of the kilogram. 

Before the redefinition, a kilogram was defined as the exact mass of a platinum-iridium cylinder, known as the International Prototype of the Kilogram (IPK). The official IPK was stored in a vault just outside Paris. Prototypes were distributed to countries that signed the treaty.

Instead of basing the definition of a kilogram on a metal cylinder that kept on accumulating mass due to surface contamination, scientists decided to base the definition on a fundamental law of nature: the Planck constant.

List of Items That Weigh About One Kilogram

Have you ever wondered what items weigh 1 kilogram? One kilogram is 2.20462 pounds. Here's a short list of things that weigh about 1 kilogram.

  • A pineapple
  • A cabbage
  • 400 pennies
  • 200 nickels
  • 440 dimes
  • 176 quarters
  • 88 half dollars
  • 123 dollar coins

By comparison, items that weigh one about 1 gram include a paper clip, a U.S. dollar bill, a piece of chewing gum, a Bic brand pen cap, and a Japanese yen coin.

How to Measure Grams and Kilograms

The most accurate way to measure grams and kilograms is to use a scale. When baking or cooking, you may use spoons and kitchen cups, but these measuring tools will only provide an approximate value. For best results, use a kitchen scale to measure grams and kilograms.

Measure Grams and Kilograms with a Scale

Select a mechanical or digital scale that operates with metric units of measurements. Place an empty container on the scale and then apply the tare function to remove the weight of the container. 

If your scale does not have a tare function, subtract the weight of the container from the final amount when all the ingredients are in the container. Place items you are measuring inside the container and read the number on the digital display.

Measure Grams and Kilograms with Cups and Spoons

To measure with cups and spoons, you will need measuring tools that measure in grams, which may also have milliliter conversions. Some glass measuring cups may have grams listed as well. Fill the measuring tool with the ingredient and scrape the excess from the top.

Convert Measurements

To measure grams and kilograms of a known mass value, you can use a couple of formulas.  Multiply the number of kilograms by 1,000 to get the gram conversion since 1,000 grams is 1 kilogram. You can also convert grams to kilograms by dividing the number of grams by 1,000. 

Final Thoughts on How Many Grams Are in a Kilogram

Converting grams into kilograms or vice versa is super easy with the formulas or tables listed above. Now that you understand gram-to-kilogram conversions, you can practice portion control, cook and bake with wet and dry ingredients, and do much more!

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