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.
Units explained
Poundal
The poundal (pdl) is the FPS absolute unit of force; its mass-equivalent on this scale is about 0.0141 kg.
Defined in the foot-pound-second absolute system in the late 19th century.
Early 20th-century physics and engineering.
Introduced in the absolute FPS system as an alternative to gravitational units.
Ounce
The (avoirdupois) ounce (oz) equals one-sixteenth of a pound, about 28.35 grams.
From Latin 'uncia', meaning a twelfth part.
US food portions, postal weights, and boxing weight classes.
Standardized as 1/16 of the international pound from 1959.
Poundal to Ounce conversion formula
The relationship between poundals and ounces:
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
- Write down the value in poundals (pdl).
- Multiply that value by the factor 0.4968944116.
- The product is the equivalent value in ounces (oz).
- 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] |
|---|---|
| 0.01 | 0.0049689441 |
| 0.1 | 0.0496894412 |
| 1 | 0.4968944116 |
| 2 | 0.9937888232 |
| 3 | 1.4906832348 |
| 4 | 1.9875776464 |
| 5 | 2.484472058 |
| 10 | 4.968944116 |
| 20 | 9.9378882321 |
| 30 | 14.9068323481 |
| 40 | 19.8757764641 |
| 50 | 24.8447205801 |
| 100 | 49.6894411603 |
| 500 | 248.4472058015 |
| 1000 | 496.894411603 |
Frequently asked questions
How many ounces is 1 poundal?
How do I convert poundals to ounces?
How do I convert ounces back to poundals?
How many ounces is 100 poundals?
Popular weight unit conversions
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)
Sources & references
Conversion factor (1 pdl = 0.4968944116 oz) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.