Mass and Weight · Unit Converter

Convert Poundal to Ounce

Convert poundals to ounces instantly. 1 poundal = 0.4968944116 ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the 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.

Avoirdupois

Ounce

What is a ounce?

The (avoirdupois) ounce (oz) equals one-sixteenth of a pound, about 28.35 grams.

Origin of the ounce

From Latin 'uncia', meaning a twelfth part.

Where it is used

US food portions, postal weights, and boxing weight classes.

When and where it was developed

Standardized as 1/16 of the international pound from 1959.

Poundal to Ounce conversion formula

The relationship between poundals and ounces:

1 pdl = 0.4968944116 oz
1 oz = 2.0124999933 pdl

To convert poundals to ounces, multiply the value in poundals by 0.4968944116. To reverse, multiply ounces by 2.0124999933.

How to use this converter

Type a value into the calculator. The result in 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 Ounce to Poundal converter for the reverse direction.

Step-by-step: convert poundals to ounces

  1. Write down the value in poundals (pdl).
  2. Multiply that value by the factor 0.4968944116.
  3. The product is the equivalent value in ounces (oz).
  4. To reverse, multiply the ounce value by 2.0124999933.

Worked examples

Example 1 — Convert 1 pdl to oz:
1 × 0.4968944116 = 0.4968944116 oz

Example 2 — Convert 100 pdl to oz:
100 × 0.4968944116 = 49.6894411603 oz

Real-world example — Postcard and small-object dimensions

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

5 pdl × 0.4968944116 = 2.484472058 oz

Real-world example — Ruler-scale measurements

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

30 pdl × 0.4968944116 = 14.9068323481 oz

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 ounces daily when mixing metric and imperial tools.

10 pdl × 0.4968944116 = 4.968944116 oz

Poundal to Ounce conversion table

Standard reference values for converting poundals to ounces:

Poundal [pdl]Ounce [oz]
0.010.0049689441
0.10.0496894412
10.4968944116
20.9937888232
31.4906832348
41.9875776464
52.484472058
104.968944116
209.9378882321
3014.9068323481
4019.8757764641
5024.8447205801
10049.6894411603
500248.4472058015
1000496.894411603

Frequently asked questions

How many ounces is 1 poundal?
1 poundal equals 0.4968944116 ounce.
How do I convert poundals to ounces?
Multiply the value in poundals by 0.4968944116 to get ounces.
How do I convert ounces back to poundals?
Multiply the value in ounces by 2.0124999933, or use the Ounce to Poundal converter.
How many ounces is 100 poundals?
100 poundals equals 49.6894411603 ounces, because 100 × 0.4968944116 = 49.6894411603.

Convert Poundal to other weight units

Show all Poundal conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (4 units)

Sources & references

Conversion factor (1 pdl = 0.4968944116 oz) verified against the following authoritative sources:

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