Avoirdupois ounces to milligrams converter

Convert avoirdupois ounces (oz) to milligrams (mg).

Mass converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

From value

Measurement format

From unit

To value

Measurement format

To unit

CONVERSION

1 oz ≈ 28349.52313 mg

Display precision

Precision changes displayed rounding, not calculation accuracy.

FORMULAmg = oz × 28349.523125

FORMULA & EXAMPLES

How to convert Avoirdupois ounces to milligrams

mg = oz × 28349.523125

Multiply the oz reading by 28349.523125.

Worked examples

1 oz ≈ 28349.52313 mg

1 × 28349.523125 ≈ 28349.52313

16 oz ≈ 453592.37 mg

16 × 28349.523125 ≈ 453592.37

Avoirdupois ounces to milligrams table

Fixed reference · Ounce to Milligram

Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.

Ounce (oz)	Milligram (mg)
0	0
0.1	2834.952313
0.5	14174.76156
1	28349.52313
2	56699.04625
5	141747.6156
10	283495.2313
25	708738.0781
50	1417476.156
100	2834952.313
1000	28349523.13

Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.

Related conversions

A UNIT FOR EVERYTHING

Explore all converters

18 categories. One place.

Length

m · km · cm and more

Mass

kg · g · mg and more

Area

m² · km² · cm² and more

Volume

L · mL · m³ and more

Temperature

°C · °F · K and more

Speed

m/s · km/h · mph and more

Pressure

Pa · kPa · MPa and more

Energy

J · kJ · MJ and more

Power

W · kW · MW and more

Data storage

B · b · kB and more

Typography

px · pt · pc and more

Time

s · ms · µs and more

Angle

° · rad · gon and more

Frequency

Hz · kHz · MHz and more

Force

N · kN · lbf and more

Data transfer rate

bit/s · kbit/s · Mbit/s and more

Fuel consumption

L/100 km · km/L · mpg (US) and more

Density

kg/m³ · g/cm³ · g/L and more