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Troy ounce to Milligram

Convert Troy ounce to Milligram and get the exact value instantly.

About this conversion

To convert Troy ounce to Milligram, multiply the number of Troy ounce by 31103.4768.

Weight units split between the metric world (grams, kilograms) and imperial habits (pounds, ounces, stones), which is why shipping labels, recipes and gym plates rarely line up without a conversion.

Conversion table

Troy ounce (oz t)Milligram (mg)
1 oz t31103.4768 mg
2 oz t62206.9536 mg
5 oz t155517.384 mg
10 oz t311034.768 mg
100 oz t3110347.68 mg

How to use this converter

  1. Enter your Troy ounce value

    Type any number into the Troy ounce field. It starts at 1 so you can read the rate straight away.

  2. Read the Milligram result

    The amount in Milligram updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Milligram are in one Troy ounce?
One Troy ounce equals 31103.4768 mg. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Troy ounce to Milligram conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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