Density and Mass
cttolb
Convert metric carats (ct) to pounds (avoirdupois) (lb).
Factor1 ct = 0.0004409245 lb
Converter
ct
Accepts numbers or expressions, e.g. 150 + 14.7
Result
lb
Rendered to 6 significant figures.
Formula
Formula
lb = ct × 0.0004409245
Multiply any value in metric carats by 0.0004409245 to obtain the value in pounds (avoirdupois).
Worked example
Convert 2500 ct to lb.
- 01Start with 2500 ct.
- 02Multiply by the conversion factor: 2500 × 0.0004409245 = 1.10231 lb.
Result2500 ct = 1.10231 lb
Conversion table
| ct | lb |
|---|---|
| 1 | 0.00044092 |
| 2 | 0.00088185 |
| 5 | 0.0022046 |
| 10 | 0.0044092 |
| 20 | 0.0088185 |
| 50 | 0.022046 |
| 100 | 0.044092 |
| 200 | 0.088185 |
| 500 | 0.22046 |
| 1000 | 0.44092 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from ct to lb?
1 ct equals 0.0004409245 lb. To convert, multiply the value in metric carats by 0.0004409245.
How do I convert 1 ct to lb?
1 ct = 0.000440925 lb. For any value, multiply by 0.0004409245.
How do I convert lb back to ct?
Divide by the same factor — or equivalently, multiply by 2267.962. So 1 lb = 2267.96 ct.
When would I need to convert metric carat to pound (avoirdupois)?
Mass conversions appear in material balances, reagent dosing, and reconciling vendor specifications across imperial/metric systems.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).