Mass and Weight · Unit Converter

Convert Pound to Troy Ounce

Convert pounds to troy ounces instantly. 1 pound = 14.5833333333 troy ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Troy Ounce to Pound 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

Avoirdupois

Pound

What is a pound?

The pound (lb) is a unit of mass equal to exactly 0.45359237 kilogram.

Origin of the pound

From Latin 'libra pondo' (a pound by weight); the symbol lb comes from 'libra'.

Where it is used

The primary weight unit in the United States and informally in the UK.

When and where it was developed

The international avoirdupois pound was fixed in the 1959 yard-and-pound agreement.

Troy & Apothecary

Troy Ounce

What is a troy ounce?

The troy ounce (ozt) equals about 31.103 grams, one-twelfth of a troy pound.

Origin of the troy ounce

From the Troy system of weights associated with Troyes, France.

Where it is used

The global standard for pricing gold, silver, platinum, and palladium.

When and where it was developed

Established in the medieval Troy system and retained for precious metals.

Pound to Troy Ounce conversion formula

The relationship between pounds and troy ounces:

1 lb = 14.5833333333 oz t
1 oz t = 0.0685714286 lb

To convert pounds to troy ounces, multiply the value in pounds by 14.5833333333. To reverse, multiply troy ounces by 0.0685714286.

How to use this converter

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

Step-by-step: convert pounds to troy ounces

  1. Write down the value in pounds (lb).
  2. Multiply that value by the factor 14.5833333333.
  3. The product is the equivalent value in troy ounces (oz t).
  4. To reverse, multiply the troy ounce value by 0.0685714286.

Worked examples

Example 1 — Convert 1 lb to oz t:
1 × 14.5833333333 = 14.5833333333 oz t

Example 2 — Convert 100 lb to oz t:
100 × 14.5833333333 = 1458.3333333333 oz t

Real-world example — Pet and accessory dimensions

A 3-pound dog leash equals a tidy round value in troy ounces. Pet-supply shopping frequently mixes the two units across product specifications.

3 lb × 14.5833333333 = 43.75 oz t

Real-world example — Fabric and tailoring

One pound of fabric converts to a value in troy ounces commonly used for seam allowances. Garment patterns frequently switch between the two units on a single instruction sheet.

1 lb × 14.5833333333 = 14.5833333333 oz t

Real-world example — Body height conversion (reverse direction)

You measure 1.75 pounds tall and need to fill in a gym membership form or medical record that asks for height in troy ounces. This is the most-used everyday length conversion in metric-using countries.

1.75 lb × 14.5833333333 = 25.5208333333 oz t

Pound to Troy Ounce conversion table

Standard reference values for converting pounds to troy ounces:

Pound [lb]Troy Ounce [oz t]
0.010.1458333333
0.11.4583333333
114.5833333333
229.1666666667
343.75
458.3333333333
572.9166666667
10145.8333333333
20291.6666666667
30437.5
40583.3333333333
50729.1666666667
1001458.3333333333
5007291.6666666667
100014583.3333333333

Frequently asked questions

How many troy ounces is 1 pound?
1 pound equals 14.5833333333 troy ounce.
How do I convert pounds to troy ounces?
Multiply the value in pounds by 14.5833333333 to get troy ounces.
How do I convert troy ounces back to pounds?
Multiply the value in troy ounces by 0.0685714286, or use the Troy Ounce to Pound converter.
How many troy ounces is 100 pounds?
100 pounds equals 1458.3333333333 troy ounces, because 100 × 14.5833333333 = 1458.3333333333.

Convert Pound to other weight units

Show all Pound conversions
Metric / SI (18 units)
Pound to Attogram (ag) Pound to Femtogram (fg) Pound to Picogram (pg) Pound to Nanogram (ng) Pound to Microgram (µg) Pound to Milligram (mg) Pound to Centigram (cg) Pound to Decigram (dg) Pound to Gram (g) Pound to Dekagram (dag) Pound to Hectogram (hg) Pound to Kilogram (kg) Pound to Quintal (metric) (q) Pound to Metric Ton (t) Pound to Gigagram (Gg) Pound to Teragram (Tg) Pound to Petagram (Pg) Pound to Exagram (Eg)
Avoirdupois (14 units)
Pound to Grain (gr) Pound to Dram (avoirdupois) (dr) Pound to Ounce (oz) Pound to Clove (clove) Pound to Stone (US) (st) Pound to Stone (UK) (st) Pound to Quarter (US) (qr) Pound to Quarter (UK) (qr) Pound to Hundredweight (US) (cwt) Pound to Hundredweight (UK) (cwt) Pound to Wey (wey) Pound to Kilopound (kip) (kip) Pound to Ton (short, US) (sh tn) Pound to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Pound to Point (1/100 carat) (pt) Pound to Carat (metric) (ct) Pound to Scruple (apothecary) (s ap) Pound to Pennyweight (dwt) Pound to Momme (mom) Pound to Mace (mace) Pound to Dram (apothecary/troy) (dr ap) Pound to Troy Ounce (oz t) Pound to Tael (tael) Pound to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Pound to Ratti (ratti) Pound to Masha (masha) Pound to Tola (tola) Pound to Chittack (Chatank) (chittack) Pound to Seer (Ser) (seer) Pound to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Pound to Electron Mass (rest) (me) Pound to MeV/c2 (MeV/c²) Pound to Muon Mass (mµ) Pound to Atomic Mass Unit (u) Pound to Proton Mass (mp) Pound to Neutron Mass (mn) Pound to Deuteron Mass (md) Pound to Carbon-12 Atom Mass (C-12) Pound to Planck Mass (mP)
Astronomical (4 units)
Pound to Lunar Mass (Moon) (M☾) Pound to Earth's Mass (M⊕) Pound to Jupiter Mass (MJ) Pound to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Pound to Lepton (Biblical Roman) (lepton) Pound to Quadrans (Biblical Roman) (quadrans) Pound to Assarion (Biblical Roman) (assarion) Pound to Gerah (Biblical Hebrew) (gerah) Pound to Drachma (Biblical Greek) (drachma) Pound to Denarius (Biblical Roman) (denarius) Pound to Bekan (Biblical Hebrew) (bekah) Pound to Didrachma (Biblical Greek) (didrachma) Pound to Shekel (Biblical Hebrew) (shekel) Pound to Tetradrachma (Biblical Greek) (tetra) Pound to Mina (Biblical Greek) (mina) Pound to Mina (Biblical Hebrew) (mina) Pound to Talent (Biblical Greek) (talent) Pound to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Pound to Poundal (pdl) Pound to Ton (assay) (US) (AT) Pound to Ton (assay) (UK) (AT) Pound to Kilogram-force square second/meter (hyl) Pound to Slug (slug)

Sources & references

Conversion factor (1 lb = 14.5833333333 oz t) verified against the following authoritative sources:

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