Ounce to Carat Converter
Convert ounces to carats (oz to ct) instantly with this free online weight converter. Enter any value in the Ounce field and get the equivalent in Carat immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results.
The conversion factor is exact: 1 oz = 141.7475 ct. To convert ounces to carats, multiply your Ounce value by 141.7475. For example, 10 oz = 1417.475 ct. You can also reverse the calculation: 1 ct = 0.007054798145 oz.
Quick conversion table
| Ounce (oz) | Carat (ct) |
|---|---|
| 1 oz | 141.7475 ct |
| 5 oz | 708.7375 ct |
| 10 oz | 1417.475 ct |
| 25 oz | 3543.6875 ct |
| 50 oz | 7087.375 ct |
| 100 oz | 14174.75 ct |
Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the weight category.
Formula
Ounce to Carat conversion: 1 oz = 141.7475 ct carats = ounces × 141.7475 1 ct = 0.007054798145 oz ounces = carats × 0.007054798145
Example
Example: Convert 10 oz to ct: 10 oz × 141.7475 = 1417.475 ct So, 10 oz is about 1417.475 ct. To convert back, multiply by 0.007054798145: 1417.475 ct × 0.007054798145 = 10 oz.
How to Use
- Enter the value you want to convert in the Ounce field
- The result in Carat appears instantly below
- Use the dropdown menus to change units if needed
- Click 'Swap Units' to reverse the conversion direction
- Copy the result or adjust the input for a new conversion
Frequently Asked Questions
How do I convert ounces to carats?
Enter the value in Ounce (oz) in the 'From' field. The equivalent in Carat (ct) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.
What is the formula to convert oz to ct?
1 oz = 141.7475 ct, so carats = ounces × 141.7475. To convert back, 1 ct = 0.007054798145 oz. The full formula and a worked example are shown on this page.
How many carats are in one Ounce?
1 oz = 141.7475 ct.
Is this Ounce to Carat converter free?
Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.
Can I convert carats back to ounces?
Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other weight unit for either field.
How accurate is the oz to ct conversion?
The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.