Weight converter
Pound to Ounce Converter
Convert lb to oz or reverse with one click. Type a value below for an instant result.
Pound lb
Ounce oz
lb → oz · runs in your browser, no server
How to convert pound to ounce
Pound (lb) and Ounce (oz) both measure weight. Whether you are studying, traveling, cooking, or working on a project, converting between them should be fast and accurate.
Looking for the opposite direction? See our dedicated ounce to pound converter — same formula reversed, with content written for that direction.
The standard relationship used on this page means that 1 pound equals 16 oz. Enter any number in the calculator — use the swap button to reverse the direction without leaving the page.
Converting 150 lb gives 2400 oz. This is a practical reference when switching between pound and ounce for recipes, shipping labels, fitness tracking, and luggage limits.
Need ounce to pound instead? Try our Ounce to Pound converter. oz → lb
When you'll use this
- Scaling down a recipe that calls for "1 lb of butter" into ounces to measure a smaller fraction precisely
- Working out precise sub-pound measurements for a kitchen scale when a recipe or dosage needs more granularity than whole pounds
- Converting a shipping rate calculated per ounce (common for small parcels and letters) from a pound-based total weight
- Breaking down a bulk pet food or ingredient bag's pound weight into ounce-based single servings
- Converting a baby's weight gain tracked in pounds into the ounce-level detail pediatricians often report
Practical note
Bakers scaling recipes down are frequent users of this page: a recipe requiring "1/4 lb of butter" converts to exactly 4 oz, precise enough to measure directly rather than eyeballing a fraction of a stick. It is also useful for shipping small items — a lightweight parcel weighing 0.75 lb converts to exactly 12 oz, which matters because many carriers charge by the ounce below 1 lb and then switch to whole-pound pricing tiers above it, so knowing the exact ounce figure can affect which price bracket a package falls into.
Tips
- There are exactly 16 ounces in a pound, so the math is a clean multiplication with no rounding — 1.5 lb is exactly 24 oz.
- US Postal Service and most carriers price small parcels per ounce up to 1 lb, then switch to pound-based pricing — this page helps find the exact ounce weight where that pricing tier changes.
- Pediatric weight gain is traditionally tracked in pounds and ounces together (e.g., "gained 1 lb 3 oz"), so convert the pound part separately and add the extra ounces rather than treating the decimal as ounces directly.
lb to oz conversion table
| lb | oz |
|---|---|
| 1 | 16 |
| 2 | 32 |
| 5 | 80 |
| 10 | 160 |
| 25 | 400 |
| 50 | 800 |
| 100 | 1600 |
| 200 | 3200 |
| 500 | 8000 |
oz to lb conversion table
Or click the swap button in the converter to switch from oz to lb.
| oz | lb |
|---|---|
| 1 | 0.0625 |
| 4 | 0.25 |
| 8 | 0.5 |
| 16 | 1 |
| 32 | 2 |
| 64 | 4 |
| 128 | 8 |
| 150 | 9.375 |
| 200 | 12.5 |
Frequently asked questions
How many ounces are in 1 pound? +
One pound equals 16 oz. Use the converter above for any value — results are calculated locally with full precision.
How do I convert lb to oz? +
Use the formula: oz = lb × 16. Enter your value in the calculator and the result appears instantly. Click the swap button to convert oz back to lb.
How many pounds are in 1 ounce? +
One ounce equals 0.0625 lb. Swap the converter direction to work backwards from oz to lb.
What is 10 lb in oz? +
10 lb is 160 oz. See the conversion table on this page for more common values.
When would I convert pound to ounce? +
This conversion is useful for recipes, shipping labels, fitness tracking, and luggage limits. ConvertHub runs entirely in your browser — no data is uploaded to any server.
Is pound to ounce the same as ounce to pound? +
They are inverse operations. This page focuses on lb → oz with examples and tables for that direction. For oz → lb, use our separate ounce to pound converter page.