Carats to Kilograms: 1 ct equals 0.0002 kg. To convert carats to kilograms, multiply by 0.0002 (kg = ct ÷ 5,000). For example, 10 ct = 0.002 kg.
How to Convert Carats to Kilograms
To convert from carats to kilograms, multiply the value by 0.0002. The conversion is linear, meaning doubling the input doubles the output.
Conversion Formula
- Carats to Kilograms:
kg = ct ÷ 5,000 - Kilograms to Carats:
ct = kg × 5,000
Carats to Kilograms Conversion Chart
| Carats (ct) | Kilograms (kg) |
|---|---|
| 0.1 | 2.00000e-5 |
| 0.25 | 5.00000e-5 |
| 0.5 | 0.0001 |
| 1 | 0.0002 |
| 2 | 0.0004 |
| 3 | 0.0006 |
| 5 | 0.001 |
| 10 | 0.002 |
| 20 | 0.004 |
| 25 | 0.005 |
| 50 | 0.01 |
| 100 | 0.02 |
| 250 | 0.05 |
| 1000 | 0.2 |
Understanding the Units
What is a Kilogram?
The kilogram is the SI base unit of mass, defined since 2019 by fixing the Planck constant at 6.62607015 × 10⁻³⁴ J·s.
From the French kilogramme adopted in 1795; previously defined by the International Prototype Kilogram in Paris until 2019.
Common contexts: science, commerce, health.
Real-World Reference Points
| Item | Carats (ct) | Kilograms (kg) |
|---|---|---|
| A liter of water | 5000 | 1 |
| Newborn baby (average) | 17500 | 3.5 |
| Bag of flour | 11350 | 2.27 |