Free online Carats to Stones converter with formula, examples, and practical use cases.
By RiseTop Team · May 2026 · 5 min read
Converting between Carats and Stones is a common task in everyday life, professional work, and education. Whether you're working with gold or simply need a quick conversion, this guide covers everything you need to know.
1 Understanding Carats and Stones
Carats (ct) — 200 milligrams. Commonly used for diamonds, gemstones, gold.
Stones (st) — 14 pounds. Commonly used for UK body weight measurement.
2 Conversion Formula
To convert from carats to stones, multiply the carats value by the conversion factor. The result gives you the equivalent value in stones.
What is the formula to convert Carats to Stones? +
The conversion formula depends on the relationship between ct and st. Use RiseTop's free converter for instant, accurate results — no manual calculation needed.
How do I convert Carats to Stones manually? +
You can use the conversion factor to multiply your Carats value and get the equivalent in Stones. However, using an online converter is faster and eliminates calculation errors.
What is 1 ct in st? +
Use RiseTop's Carats to Stones converter to find the exact conversion factor. The tool provides instant results with full precision.
Why do different countries use different weight units? +
Different measurement systems evolved historically — the metric system is used globally, while imperial units are common in the US, UK, and a few other countries. Being able to convert between systems is essential for international communication.
Is this carats to stones converter accurate? +
Yes, our converter uses standard conversion factors with full precision. It's suitable for professional, educational, and everyday use.