Mass and Weight · Unit Converter

Convert Poundal to Quarter (US)

Convert poundals to quarters (us) instantly. 1 poundal = 0.001242236 quarter (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Quarter (US) 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

Quarter (US)

What is a quarter (us)?

The US quarter equals one-fourth of a short hundredweight, 25 pounds (about 11.34 kg).

Origin of the quarter (us)

A 'quarter' of the US short hundredweight.

Where it is used

US agricultural and commodity weighing.

When and where it was developed

Defined within the US customary hundredweight system.

Poundal to Quarter (US) conversion formula

The relationship between poundals and quarters (us):

1 pdl = 0.001242236 qr
1 qr = 804.9999980123 pdl

To convert poundals to quarters (us), multiply the value in poundals by 0.001242236. To reverse, multiply quarters (us) by 804.9999980123.

How to use this converter

Type a value into the calculator. The result in quarters (us) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Quarter (US) to Poundal converter for the reverse direction.

Step-by-step: convert poundals to quarters (us)

  1. Write down the value in poundals (pdl).
  2. Multiply that value by the factor 0.001242236.
  3. The product is the equivalent value in quarters (us) (qr).
  4. To reverse, multiply the quarter (us) value by 804.9999980123.

Worked examples

Example 1 — Convert 1 pdl to qr:
1 × 0.001242236 = 0.001242236 qr

Example 2 — Convert 100 pdl to qr:
100 × 0.001242236 = 0.1242236028 qr

Real-world example — Ruler-scale measurements

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

30 pdl × 0.001242236 = 0.0372670808 qr

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 quarters (us) daily when mixing metric and imperial tools.

10 pdl × 0.001242236 = 0.0124223603 qr

Real-world example — Postcard and small-object dimensions

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

5 pdl × 0.001242236 = 0.0062111801 qr

Poundal to Quarter (US) conversion table

Standard reference values for converting poundals to quarters (us):

Poundal [pdl]Quarter (US) [qr]
0.011.242236e-5
0.10.0001242236
10.001242236
20.0024844721
30.0037267081
40.0049689441
50.0062111801
100.0124223603
200.0248447206
300.0372670808
400.0496894411
500.0621118014
1000.1242236028
5000.621118014
10001.2422360279

Frequently asked questions

How many quarters (us) is 1 poundal?
1 poundal equals 0.001242236 quarter (us).
How do I convert poundals to quarters (us)?
Multiply the value in poundals by 0.001242236 to get quarters (us).
How do I convert quarters (us) back to poundals?
Multiply the value in quarters (us) by 804.9999980123, or use the Quarter (US) to Poundal converter.
How many quarters (us) is 100 poundals?
100 poundals equals 0.1242236028 quarters (us), because 100 × 0.001242236 = 0.1242236028.

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 = 0.001242236 qr) verified against the following authoritative sources:

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