Mass and Weight · Unit Converter

Convert Tael to Pennyweight

Convert taels to pennyweights instantly. 1 tael = 24.3055535015 pennyweight — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pennyweight to Tael converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Troy & Apothecary

Tael

What is a tael?

The tael equals about 37.8 grams (ten mace).

Origin of the tael

From Malay 'tahil'; the Chinese unit is the 'liang'.

Where it is used

East Asian precious-metal and traditional-medicine commerce.

When and where it was developed

A long-standing East Asian trade weight, with regional variants.

Troy & Apothecary

Pennyweight

What is a pennyweight?

The pennyweight (dwt) equals one-twentieth of a troy ounce, 24 grains (about 1.555 g).

Origin of the pennyweight

From the mass of a medieval English silver penny; symbol dwt from 'denarius weight'.

Where it is used

Jewelry making and precious-metal scrap valuation in the US.

When and where it was developed

Derived from the medieval English coinage system.

Tael to Pennyweight conversion formula

Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.

The relationship between taels and pennyweights:

1 tael = 24.3055535015 dwt
1 dwt = 0.0411428606 tael

To convert taels to pennyweights, multiply the value in taels by 24.3055535015. To reverse, multiply pennyweights by 0.0411428606.

How to use this converter

Type a value into the calculator. The result in pennyweights updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pennyweight to Tael converter for the reverse direction.

Step-by-step: convert taels to pennyweights

  1. Write down the value in taels (tael).
  2. Multiply that value by the factor 24.3055535015.
  3. The product is the equivalent value in pennyweights (dwt).
  4. To reverse, multiply the pennyweight value by 0.0411428606.

Worked examples

Example 1 — Convert 1 tael to dwt:
1 × 24.3055535015 = 24.3055535015 dwt

Example 2 — Convert 100 tael to dwt:
100 × 24.3055535015 = 2430.555350148 dwt

Real-world example — Ruler-scale measurements

A 30-tael school ruler converts cleanly to pennyweights — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 tael × 24.3055535015 = 729.1666050444 dwt

Real-world example — Hardware-scale dimensions

A 10-tael fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between taels and pennyweights daily when mixing metric and imperial tools.

10 tael × 24.3055535015 = 243.0555350148 dwt

Real-world example — Postcard and small-object dimensions

A postcard is about 5 taels wide. Converting to pennyweights is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 tael × 24.3055535015 = 121.5277675074 dwt

Tael to Pennyweight conversion table

Standard reference values for converting taels to pennyweights:

Tael [tael]Pennyweight [dwt]
0.010.243055535
0.12.4305553501
124.3055535015
248.611107003
372.9166605044
497.2222140059
5121.5277675074
10243.0555350148
20486.1110700296
30729.1666050444
40972.2221400592
501215.277675074
1002430.555350148
50012152.77675074
100024305.55350148

Frequently asked questions

How many pennyweights is 1 tael?
1 tael equals 24.3055535015 pennyweight.
How do I convert taels to pennyweights?
Multiply the value in taels by 24.3055535015 to get pennyweights.
How do I convert pennyweights back to taels?
Multiply the value in pennyweights by 0.0411428606, or use the Pennyweight to Tael converter.
How many pennyweights is 100 taels?
100 taels equals 2430.555350148 pennyweights, because 100 × 24.3055535015 = 2430.555350148.

Convert Tael to other weight units

Show all Tael conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (9 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 tael = 24.3055535015 dwt) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.