Mass and Weight · Unit Converter

Convert Poundal to Troy Ounce

Convert poundals to troy ounces instantly. 1 poundal = 0.4528985518 troy ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Troy Ounce to Poundal 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

Force / Engineering

Poundal

What is a poundal?

The poundal (pdl) is the FPS absolute unit of force; its mass-equivalent on this scale is about 0.0141 kg.

Origin of the poundal

Defined in the foot-pound-second absolute system in the late 19th century.

Where it is used

Early 20th-century physics and engineering.

When and where it was developed

Introduced in the absolute FPS system as an alternative to gravitational units.

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.

Poundal to Troy Ounce conversion formula

The relationship between poundals and troy ounces:

1 pdl = 0.4528985518 oz t
1 oz t = 2.2079999945 pdl

To convert poundals to troy ounces, multiply the value in poundals by 0.4528985518. To reverse, multiply troy ounces by 2.2079999945.

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 Poundal converter for the reverse direction.

Step-by-step: convert poundals to troy ounces

  1. Write down the value in poundals (pdl).
  2. Multiply that value by the factor 0.4528985518.
  3. The product is the equivalent value in troy ounces (oz t).
  4. To reverse, multiply the troy ounce value by 2.2079999945.

Worked examples

Example 1 — Convert 1 pdl to oz t:
1 × 0.4528985518 = 0.4528985518 oz t

Example 2 — Convert 100 pdl to oz t:
100 × 0.4528985518 = 45.2898551843 oz t

Real-world example — Hardware-scale dimensions

A 10-poundal fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between poundals and troy ounces daily when mixing metric and imperial tools.

10 pdl × 0.4528985518 = 4.5289855184 oz t

Real-world example — Postcard and small-object dimensions

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

5 pdl × 0.4528985518 = 2.2644927592 oz t

Real-world example — Ruler-scale measurements

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

30 pdl × 0.4528985518 = 13.5869565553 oz t

Poundal to Troy Ounce conversion table

Standard reference values for converting poundals to troy ounces:

Poundal [pdl]Troy Ounce [oz t]
0.010.0045289855
0.10.0452898552
10.4528985518
20.9057971037
31.3586956555
41.8115942074
52.2644927592
104.5289855184
209.0579710369
3013.5869565553
4018.1159420737
5022.6449275921
10045.2898551843
500226.4492759215
1000452.8985518429

Frequently asked questions

How many troy ounces is 1 poundal?
1 poundal equals 0.4528985518 troy ounce.
How do I convert poundals to troy ounces?
Multiply the value in poundals by 0.4528985518 to get troy ounces.
How do I convert troy ounces back to poundals?
Multiply the value in troy ounces by 2.2079999945, or use the Troy Ounce to Poundal converter.
How many troy ounces is 100 poundals?
100 poundals equals 45.2898551843 troy ounces, because 100 × 0.4528985518 = 45.2898551843.

Convert Poundal to other weight units

Show all Poundal conversions
Metric / SI (18 units)
Poundal to Attogram (ag) Poundal to Femtogram (fg) Poundal to Picogram (pg) Poundal to Nanogram (ng) Poundal to Microgram (µg) Poundal to Milligram (mg) Poundal to Centigram (cg) Poundal to Decigram (dg) Poundal to Gram (g) Poundal to Dekagram (dag) Poundal to Hectogram (hg) Poundal to Kilogram (kg) Poundal to Quintal (metric) (q) Poundal to Metric Ton (t) Poundal to Gigagram (Gg) Poundal to Teragram (Tg) Poundal to Petagram (Pg) Poundal to Exagram (Eg)
Avoirdupois (15 units)
Poundal to Grain (gr) Poundal to Dram (avoirdupois) (dr) Poundal to Ounce (oz) Poundal to Pound (lb) Poundal to Clove (clove) Poundal to Stone (US) (st) Poundal to Stone (UK) (st) Poundal to Quarter (US) (qr) Poundal to Quarter (UK) (qr) Poundal to Hundredweight (US) (cwt) Poundal to Hundredweight (UK) (cwt) Poundal to Wey (wey) Poundal to Kilopound (kip) (kip) Poundal to Ton (short, US) (sh tn) Poundal to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Poundal to Point (1/100 carat) (pt) Poundal to Carat (metric) (ct) Poundal to Scruple (apothecary) (s ap) Poundal to Pennyweight (dwt) Poundal to Momme (mom) Poundal to Mace (mace) Poundal to Dram (apothecary/troy) (dr ap) Poundal to Troy Ounce (oz t) Poundal to Tael (tael) Poundal to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Poundal to Ratti (ratti) Poundal to Masha (masha) Poundal to Tola (tola) Poundal to Chittack (Chatank) (chittack) Poundal to Seer (Ser) (seer) Poundal to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Poundal to Electron Mass (rest) (me) Poundal to MeV/c2 (MeV/c²) Poundal to Muon Mass (mµ) Poundal to Atomic Mass Unit (u) Poundal to Proton Mass (mp) Poundal to Neutron Mass (mn) Poundal to Deuteron Mass (md) Poundal to Carbon-12 Atom Mass (C-12) Poundal to Planck Mass (mP)
Astronomical (4 units)
Poundal to Lunar Mass (Moon) (M☾) Poundal to Earth's Mass (M⊕) Poundal to Jupiter Mass (MJ) Poundal to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Poundal to Lepton (Biblical Roman) (lepton) Poundal to Quadrans (Biblical Roman) (quadrans) Poundal to Assarion (Biblical Roman) (assarion) Poundal to Gerah (Biblical Hebrew) (gerah) Poundal to Drachma (Biblical Greek) (drachma) Poundal to Denarius (Biblical Roman) (denarius) Poundal to Bekan (Biblical Hebrew) (bekah) Poundal to Didrachma (Biblical Greek) (didrachma) Poundal to Shekel (Biblical Hebrew) (shekel) Poundal to Tetradrachma (Biblical Greek) (tetra) Poundal to Mina (Biblical Greek) (mina) Poundal to Mina (Biblical Hebrew) (mina) Poundal to Talent (Biblical Greek) (talent) Poundal to Talent (Biblical Hebrew) (talent)
Force / Engineering (4 units)
Poundal to Ton (assay) (US) (AT) Poundal to Ton (assay) (UK) (AT) Poundal to Kilogram-force square second/meter (hyl) Poundal to Slug (slug)

Sources & references

Conversion factor (1 pdl = 0.4528985518 oz t) verified against the following authoritative sources:

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