---
title: "Ounces to Micrograms — oz to µg converter"
description: "1 ounce = 28,349,523 micrograms. Convert ounces to micrograms with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/oz-to-micrograms/
site: "At One Place"
---

# Ounces to micrograms

**1 ounce in micrograms: 1 oz = 28,349,523 µg**

µg = oz × 28,349,523.13

To convert ounces to micrograms, multiply by 28,349,523.13. The table below gives the values people look up most often, and the converter works for any number.

## Ounces to micrograms table

*Common ounce values converted to micrograms.*

| Ounces | Micrograms |
| --- | --- |
| 1 oz | 28,349,523 |
| 2 oz | 56,699,046 |
| 3 oz | 85,048,569 |
| 4 oz | 113,398,090 |
| 5 oz | 141,747,620 |
| 10 oz | 283,495,230 |
| 15 oz | 425,242,850 |
| 20 oz | 566,990,460 |
| 25 oz | 708,738,080 |
| 30 oz | 850,485,690 |
| 40 oz | 1,133,980,900 |
| 50 oz | 1,417,476,200 |
| 75 oz | 2,126,214,200 |
| 100 oz | 2,834,952,300 |
| 250 oz | 7,087,380,800 |
| 500 oz | 14,174,762,000 |
| 1,000 oz | 28,349,523,000 |

## How the conversion works

The relationship is µg = oz × 28,349,523.13. 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

### How many micrograms are in one ounce?

One ounce equals 28,349,523 micrograms. µg = oz × 28,349,523.13.

### How do you convert ounces to micrograms?

Use µg = oz × 28,349,523.13. So 10 oz is 283,495,230 µg.

### How many ounces are in one microgram?

One microgram equals 3.527 × 10^-8 ounces, which is the reverse of the conversion above.

## Related pages

- [Micrograms to Ounces](https://atoneplace.net/convert/micrograms-to-oz/)
- [Ounces to Kilograms](https://atoneplace.net/convert/oz-to-kg/)
- [Ounces to Grams](https://atoneplace.net/convert/oz-to-grams/)
- [Ounces to Milligrams](https://atoneplace.net/convert/oz-to-mg/)
- [Ounces to Tonnes](https://atoneplace.net/convert/oz-to-tonnes/)
- [Ounces to Pounds](https://atoneplace.net/convert/oz-to-lbs/)
- [Ounces to Stone](https://atoneplace.net/convert/oz-to-stone/)

## 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/)