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Weight & Mass Converter

Gram to Carat Converter

Convert Gram (g) to Carat (ct) instantly with our interactive tool, benchmark tables, and detailed unit information.

1 g = 5.0000 ct
Editable
g
Input
Auto-Calculated
ct
Result
Weight & Mass conversion — instant results

Convert Gram to Carat

1 g = 5.0000 ct
Gram (g) Carat (ct)
1 g 5 ct
5 g 25 ct
10 g 50 ct
25 g 125 ct
50 g 250 ct
100 g 500 ct
500 g 2,500 ct
1,000 g 5,000 ct

Convert Carat to Gram

1 ct = 0.2000 g
Carat (ct) Gram (g)
1 ct 0.2 g
5 ct 1 g
10 ct 2 g
25 ct 5 g
50 ct 10 g
100 ct 20 g
500 ct 100 g
1,000 ct 200 g

About Gram and Carat

Detailed information about both units of measurement.

METRIC UNIT

Gram

g
Definition
A metric unit of mass equal to 1/1,000 of a kilogram. The base unit for most food and small-scale measurements.
SI / Standard Information
SI-derived unit (g). The gram is the base unit of the CGS system. Originally defined as the mass of 1 cm³ of water at 4°C.
Approximate Comparison
A gram is roughly the weight of a standard paperclip or a single raisin.
Practical Applications
  • Cooking and baking ingredient measurement
  • Nutritional labeling on food products
  • Jewelry weighing
  • Mail and postage calculation
Real-World Examples
  • A standard paperclip weighs about 1 gram
  • A small apple weighs approximately 150 grams
  • A typical letter weighs 20 to 30 grams
METRIC UNIT

Carat

ct
Definition
A unit of mass equal to 200 milligrams (0.2 grams). Used exclusively for gemstones and pearls.
SI / Standard Information
Defined as exactly 200 mg. The word derives from carob seeds, historically used as counterweights in ancient trade.
Approximate Comparison
A carat is roughly the weight of a small paperclip or a grain of rice.
Practical Applications
  • Diamond and gemstone weighing
  • Pearl grading and valuation
  • Jewelry industry standards
  • Precious stone trading
Real-World Examples
  • A typical engagement ring diamond is 0.5 to 1 carat
  • The Hope Diamond weighs 45.52 carats
  • A 1-carat diamond is about the size of a small pea

About Converting Gram to Carat

Our Gram to Carat converter provides instant, accurate conversion between these two essential weight & mass units. Whether you are working in engineering, construction, education, or everyday weight & mass measurement, this tool delivers precise results with zero friction.

The Gram (g) is a metric unit of weight & mass. A metric unit of mass equal to 1/1,000 of a kilogram. The base unit for most food and small-scale measurements. A gram is roughly the weight of a standard paperclip or a single raisin.

The Carat (ct) is a metric unit of weight & mass. A unit of mass equal to 200 milligrams (0.2 grams). Used exclusively for gemstones and pearls. A carat is roughly the weight of a small paperclip or a grain of rice.

Conversion Formula & Worked Examples

The conversion between g and ct uses the following mathematical relationship:

Carat = Gram × 5.000000

Gram = Carat × 0.200000

Whether you need to convert for cooking and baking ingredient measurement or diamond and gemstone weighing, our interactive converter provides instant, accurate results.

Example

1 g

=

5 ct

Example

5 g

=

25 ct

Example

10 g

=

50 ct

Reverse Direction

Need to convert Carat back into Gram?

Switch conversion direction to view Carat → Gram tables, benchmarks, and detailed info.

Open Carat → Gram

Practical Use Cases & Applications

g Gram

  • Cooking and baking ingredient measurement
  • Nutritional labeling on food products
  • Jewelry weighing
  • Mail and postage calculation

ct Carat

  • Diamond and gemstone weighing
  • Pearl grading and valuation
  • Jewelry industry standards
  • Precious stone trading

Frequently Asked Questions

Common questions about this conversion and related measurement topics.

How do I convert Gram to Carat?
To convert Gram (g) to Carat (ct), multiply the gram value by the conversion factor. Our converter below handles this instantly — just enter the value in g and the ct result appears in real time.
How many Carats are in one gram?
One gram (g) equals approximately 5.000000 carat (ct). This conversion factor is constant and can be used for any gram value.
What is the formula to convert g to ct?
The conversion formula is: <strong>Carat = Gram × 5.000000</strong>. For example, 5 g × 5.0000 = 25.0000 ct, and 10 g × 5.0000 = 50.0000 ct.
Can I convert Carat back to Gram?
Yes! Use the reverse direction on our converter, or visit our dedicated <a href="/weight-and-mass/carats-to-grams/" class="text-accent-teal underline">Carat to Gram converter</a>. The reverse conversion factor is approximately 1 ct = 0.200000 g.
Where is Gram commonly used?
Cooking and baking ingredient measurement, Nutritional labeling on food products, Jewelry weighing. A metric unit of mass equal to 1/1,000 of a kilogram. The base unit for most food and small-scale measurements.
What is the difference between Gram and Carat?
Gram (g) and Carat (ct) are both units of weight & mass. Gram belongs to the metric system, while Carat belongs to the metric system. Understanding the conversion between them is essential for international work in weight measurement.
What are some real-world examples of grams and carats?
Gram: A standard paperclip weighs about 1 gram; A small apple weighs approximately 150 grams Carat: A typical engagement ring diamond is 0.5 to 1 carat; The Hope Diamond weighs 45.52 carats

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About This Conversion ℹ

This Gram to Carat converter provides accurate, real-time conversions between these two weight & mass units.

Both units are among the most commonly used weight & mass measurements — rated 9/10 and 6/10 in popularity.

Bookmark this page for quick access to the Gram → Carat converter whenever you need precise unit conversion.

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