Troy Pound to Kilogram Converter

Mass Converter

26 units available

Decimals:

From

To

0.373242

1 lb t = 0.373242 kg

Formula:

kg = lb t × 0.3732417216

With your value: 1 lb t = 0.37324172 kg

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 Kilogram conversions

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

Troy Pound to Kilogram Conversion Table

Troy Pound (lb t)	Kilogram (kg)
0.5	0.186621
1	0.373242
2	0.746483
5	1.866209
10	3.732417
15	5.598626
20	7.464834
25	9.331043
50	18.662086
100	37.324172
250	93.31043
500	186.620861
1000	373.241722

Kilogram to Troy Pound Conversion Table

Kilogram (kg)	Troy Pound (lb t)
0.5	1.339614
1	2.679229
2	5.358458
5	13.396144
10	26.792289
15	40.188433
20	53.584578
25	66.980722
50	133.961444
100	267.922888
250	669.80722
500	1,339.61444
1000	2,679.228881

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

Kilogram (kg)

Mass

SI definition

The kilogram is defined by taking the Planck constant to be exactly 6.626 070 15 × 10⁻³⁴ J·s.

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 Kilogram

To convert from Troy Pound (lb t) to Kilogram (kg), multiply the value by 0.3732417216.

Formula: kg = lb t × 0.3732417216

Reverse: lb t = kg × 2.6792288807

Step-by-Step Example

Start with your value in Troy Pound. For example: 5 lb t
Multiply by the conversion factor: 5 x 0.3732417216
The result is: 1.866209 kg

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 Kilogram

The kilogram is the base unit of mass in the SI system. Since 2019, it is defined by the Planck constant rather than a physical artifact.

Fun Fact: Until 2019, the kilogram was defined by a platinum-iridium cylinder kept in Paris, called "Le Grand K."

Common uses: body weight, cooking, shipping.

Frequently Asked Questions

How many Kilogram are in 1 Troy Pound?

There are exactly 0.3732417216 Kilogram in 1 Troy Pound. This means the conversion factor from Troy Pound to Kilogram is 0.3732417216.

What is the formula to convert Troy Pound to Kilogram?

The formula to convert Troy Pound to Kilogram is: kg = lb t × 0.3732417216. For example, to convert 10 Troy Pound to Kilogram, you would multiply 10 by 0.3732417216.

What is a Troy Pound?