1. What is Carat Weight Conversion?

Carat is a unit of mass used for measuring gemstones and pearls. One carat equals 200 milligrams (0.2 grams). This conversion is essential in jewelry and gemology for precise measurements.

2. How Does the Calculator Work?

The calculator uses the simple conversion formula:

Where:

• \( ct \) — Carat weight
• \( mg \) — Milligrams

Explanation: Since 1 carat equals exactly 200 milligrams, dividing milligrams by 200 converts the weight to carats.

3. Importance of Carat Weight

Details: Carat weight is crucial in determining a gemstone's value. Even small differences in carat weight can significantly affect price, especially for diamonds and rare gems.

4. Using the Calculator

Tips: Enter the weight in milligrams (mg) to get the equivalent weight in carats (ct). The calculator provides precise conversions to four decimal places.

5. Frequently Asked Questions (FAQ)

Q1: Why is carat weight important for gemstones?
A: Carat weight is one of the "4 Cs" (along with cut, color, and clarity) that determine a diamond's value. Larger stones are rarer and more valuable.

Q2: How precise should carat measurements be?
A: Gemstones are typically weighed to the hundredth of a carat (0.01 ct) for commercial purposes, but scientific measurements may go to thousandths (0.001 ct).

Q3: Does carat weight alone determine a gem's size?
A: No. Different gem materials have different densities, so a 1-carat ruby will be smaller than a 1-carat emerald because ruby is denser.

Q4: What's the difference between carat and karat?
A: Carat (ct) measures gem weight, while karat (K or kt) measures gold purity (24K being pure gold).

Q5: How many carats are in a gram?
A: There are 5 carats in 1 gram (since 1 carat = 0.2 grams).