⚖️ Ounces to Pennyweights Converter

5.0 out of 5 (1 rating)

Enter details

1 ounce =
18.2292 pennyweights
1 pennyweight =
0.0548571 ounces
Formula
dwt = oz × 18.2292
Handy values
5 oz = 91.1458 dwt · 10 oz = 182.292 dwt · 100 oz = 1,822.92 dwt

Rate this calculator

Was it useful? A quick star rating helps others — and you can leave a comment too.
Rate it: ★ ★ ★ ★ ★

⚡ Ounces to Pennyweights: the quick answer

1 oz = 18.2292 dwt 1 ounce equals 18.2292 pennyweights

To convert ounces to pennyweights, multiply the value by 18.2292. To go the other way, multiply pennyweights by 0.0548571 to get ounces.

↔ Convert pennyweights to ounces instead

🧮 Formula

Ounces to Pennyweights
dwt = oz × 18.2292
Pennyweights to Ounces
oz = dwt × 0.0548571

Where

  • oz = the weight in ounces
  • dwt = the weight in pennyweights
Every unit here is defined by its weight in kilograms, so the conversion factor is (kilograms per ounce) ÷ (kilograms per pennyweight).

📊 Ounces to Pennyweights conversion table

Ounces (oz)Pennyweights (dwt)
1 oz18.2292 dwt
2 oz36.4583 dwt
3 oz54.6875 dwt
4 oz72.9167 dwt
5 oz91.1458 dwt
6 oz109.375 dwt
7 oz127.604 dwt
8 oz145.833 dwt
9 oz164.063 dwt
10 oz182.292 dwt
12 oz218.75 dwt
14 oz255.208 dwt
15 oz273.438 dwt
20 oz364.583 dwt
21 oz382.813 dwt
24 oz437.5 dwt
25 oz455.729 dwt
30 oz546.875 dwt
40 oz729.167 dwt
50 oz911.458 dwt
60 oz1,093.75 dwt
75 oz1,367.19 dwt
80 oz1,458.33 dwt
100 oz1,822.92 dwt
200 oz3,645.83 dwt
250 oz4,557.29 dwt
300 oz5,468.75 dwt
400 oz7,291.67 dwt
500 oz9,114.58 dwt
750 oz13,671.9 dwt
1,000 oz18,229.2 dwt

📘 About these units

Ounce (oz). The ounce is 1/16 of a pound (28.3495 g), used for food and parcels in the US and UK.

Pennyweight (dwt). A pennyweight is 1/20 of a troy ounce (1.555 g), used by jewellers.

❓ Frequently asked questions

How many pennyweights are in one ounce?

There are 18.2292 pennyweights in one ounce.

How do I convert ounces to pennyweights?

Multiply the number of ounces by 18.2292. For example, 10 ounces equal 182.292 pennyweights.

How many ounces are in one pennyweight?

One pennyweight equals 0.0548571 ounces.

How many pennyweights is 12 ounces?

218.75 pennyweights. Other common values: 5 ounces = 91.1458 pennyweights and 100 ounces = 1,822.92 pennyweights.

What people are saying
★★★★★
Anonymous · 22 Oct 2026