How many ounces are in a pound?
There are 16 avoirdupois ounces in one pound.
Pounds and Ounces Calculator
Convert mixed pounds and ounces to total ounces, kilograms, and grams, or split ounces into mixed units.
Enter pounds and ounces
Choose mixed input or total-ounce input mode.
About this converter
How to use Pounds and Ounces Calculator, plus the formulas and logic behind the results.
Tool description
One avoirdupois pound contains 16 ounces. The tool also provides metric mass using the exact pound definition.
How to use
- Choose the input mode.
- Enter pounds plus ounces or total ounces.
- Select Calculate.
- Review mixed, total, and metric results.
Formulas & reference
total oz = pounds × 16 + ouncespounds = floor(total oz ÷ 16)1 lb = 0.45359237 kg
Quick reference
- total oz = pounds × 16 + ounces
- pounds = floor(total oz ÷ 16)
- 1 lb = 0.45359237 kg
Calculation logic
Mixed mass is normalized to ounces. Whole pounds and remainder ounces are derived with division by 16; metric values use exact definitions.
Results use standard stated conversion factors and may be rounded for display.
Pounds and Ounces Calculator FAQ
Common questions about this conversion and how to interpret the result.
How do I combine pounds and ounces?
Multiply pounds by 16 and add the extra ounces.
How are total ounces split?
Whole groups of 16 become pounds and the remainder stays ounces.
Can ounces be greater than 16?
Yes. The result normalizes the combined amount.
How are kilograms calculated?
Total pounds are multiplied by exactly 0.45359237.
Does this use troy weight?
No. It uses avoirdupois pounds and ounces.