Troy Pound to Pennyweight Converter

Mass Converter

26 units available

Decimals:

From

To

240

1 lb t = 240 dwt

Formula:

dwt = lb t × 240

With your value: 1 lb t = 240 dwt

How big is that?

Everyday references on a logarithmic scale, all expressed in troy pound so you can sanity-check the result.

AA battery (1/16 your value)0.0643 lb t

Your value1.00 lb t

Can of soda (1.0× your value)1.04 lb t

Bag of sugar (2.7× your value)2.68 lb t

House cat (12× your value)12.1 lb t

Adult human (1.9e+2× your value)188 lb t

Other Troy Pound to Pennyweight conversions

2 lb t to dwt 3 lb t to dwt 4 lb t to dwt 5 lb t to dwt 6 lb t to dwt 7 lb t to dwt 8 lb t to dwt

Troy Pound to Pennyweight Conversion Table

Troy Pound (lb t)	Pennyweight (dwt)
0.5	120
1	240
2	480
5	1,200
10	2,400
15	3,600
20	4,800
25	6,000
50	12,000
100	24,000
250	60,000
500	120,000
1000	240,000

Pennyweight to Troy Pound Conversion Table

Pennyweight (dwt)	Troy Pound (lb t)
0.5	0.002083
1	0.004167
2	0.008333
5	0.020833
10	0.041667
15	0.0625
20	0.083333
25	0.104167
50	0.208333
100	0.416667
250	1.041667
500	2.083333
1000	4.166667

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Troy Pound (lb t)

Mass

Exact conversion

Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Pennyweight (dwt)

Mass

Exact conversion

Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Troy Pound to Pennyweight

To convert from Troy Pound (lb t) to Pennyweight (dwt), multiply the value by 240.

Formula: dwt = lb t × 240

Reverse: lb t = dwt × 0.0041666667

Step-by-Step Example

Start with your value in Troy Pound. For example: 5 lb t
Multiply by the conversion factor: 5 x 240
The result is: 1,200 dwt

About Troy Pound

The troy pound equals 12 troy ounces, about 373.24 grams — lighter than the familiar avoirdupois pound.

Common uses: precious metals, bullion, numismatics.

About Pennyweight

The pennyweight (dwt) equals 1/20 of a troy ounce, about 1.555 grams. Jewellers still price scrap gold by the pennyweight.

Common uses: jewellery trade, gold scrap, assaying.

Frequently Asked Questions

How many Pennyweight are in 1 Troy Pound?

There are exactly 240 Pennyweight in 1 Troy Pound. This means the conversion factor from Troy Pound to Pennyweight is 240.

What is the formula to convert Troy Pound to Pennyweight?

The formula to convert Troy Pound to Pennyweight is: dwt = lb t × 240. For example, to convert 10 Troy Pound to Pennyweight, you would multiply 10 by 240.

What is a Troy Pound?