---
title: "20 lb to oz = 320 oz"
description: "20 pounds is 320 ounces. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/20-lbs-to-oz/
site: "At One Place"
---

# 20 lb to oz

**20 pounds in ounces: 20 lb = 320 oz**

oz = lb × 16

20 pounds is 320 ounces. To get there, multiply by 16.

## Values either side

*Pounds near 20, converted to ounces.*

| Pounds | Ounces |
| --- | --- |
| 16 lb | 256 |
| 17 lb | 272 |
| 18 lb | 288 |
| 19 lb | 304 |
| 20 lb ← | 320 |
| 21 lb | 336 |
| 22 lb | 352 |
| 23 lb | 368 |
| 24 lb | 384 |

## How the conversion works

The relationship is oz = lb × 16. Both units measure mass, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

## Common questions

### What is 20 lb in ounces?

20 lb is 320 oz.

### How do you convert pounds to ounces?

Multiply by 16.

## Related pages

- [Pounds to ounces](https://atoneplace.net/convert/lbs-to-oz/)
- [20 oz to lb](https://atoneplace.net/convert/20-oz-to-lbs/)
- [16 lb to oz](https://atoneplace.net/convert/16-lbs-to-oz/)
- [17 lb to oz](https://atoneplace.net/convert/17-lbs-to-oz/)
- [18 lb to oz](https://atoneplace.net/convert/18-lbs-to-oz/)
- [19 lb to oz](https://atoneplace.net/convert/19-lbs-to-oz/)
- [21 lb to oz](https://atoneplace.net/convert/21-lbs-to-oz/)
- [22 lb to oz](https://atoneplace.net/convert/22-lbs-to-oz/)
- [23 lb to oz](https://atoneplace.net/convert/23-lbs-to-oz/)
- [24 lb to oz](https://atoneplace.net/convert/24-lbs-to-oz/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)