Mass and Weight · Unit Converter

Convert Poundal to Ton (assay) (US)

Convert poundals to tons (assay) (us) instantly. 1 poundal = 0.4829731882 ton (assay) (us) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ton (assay) (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.

Force / Engineering

Ton (assay) (US)

What is a ton (assay) (us)?

The assay ton (US) equals about 29.167 grams, a mining-assay convenience unit.

Origin of the ton (assay) (us)

Devised so an assay sample's metal in milligrams reads as troy ounces per short ton.

Where it is used

Ore assaying and metallurgy.

When and where it was developed

Adopted in assay laboratories to simplify ore-grade calculation.

Poundal to Ton (assay) (US) conversion formula

The relationship between poundals and tons (assay) (us):

1 pdl = 0.4829731882 AT
1 AT = 2.0705083105 pdl

To convert poundals to tons (assay) (us), multiply the value in poundals by 0.4829731882. To reverse, multiply tons (assay) (us) by 2.0705083105.

How to use this converter

Type a value into the calculator. The result in tons (assay) (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 Ton (assay) (US) to Poundal converter for the reverse direction.

Step-by-step: convert poundals to tons (assay) (us)

  1. Write down the value in poundals (pdl).
  2. Multiply that value by the factor 0.4829731882.
  3. The product is the equivalent value in tons (assay) (us) (AT).
  4. To reverse, multiply the ton (assay) (us) value by 2.0705083105.

Worked examples

Example 1 — Convert 1 pdl to AT:
1 × 0.4829731882 = 0.4829731882 AT

Example 2 — Convert 100 pdl to AT:
100 × 0.4829731882 = 48.2973188232 AT

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 tons (assay) (us) daily when mixing metric and imperial tools.

10 pdl × 0.4829731882 = 4.8297318823 AT

Real-world example — Postcard and small-object dimensions

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

5 pdl × 0.4829731882 = 2.4148659412 AT

Real-world example — Ruler-scale measurements

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

30 pdl × 0.4829731882 = 14.4891956469 AT

Poundal to Ton (assay) (US) conversion table

Standard reference values for converting poundals to tons (assay) (us):

Poundal [pdl]Ton (assay) (US) [AT]
0.010.0048297319
0.10.0482973188
10.4829731882
20.9659463765
31.4489195647
41.9318927529
52.4148659412
104.8297318823
209.6594637646
3014.4891956469
4019.3189275293
5024.1486594116
10048.2973188232
500241.4865941158
1000482.9731882316

Frequently asked questions

How many tons (assay) (us) is 1 poundal?
1 poundal equals 0.4829731882 ton (assay) (us).
How do I convert poundals to tons (assay) (us)?
Multiply the value in poundals by 0.4829731882 to get tons (assay) (us).
How do I convert tons (assay) (us) back to poundals?
Multiply the value in tons (assay) (us) by 2.0705083105, or use the Ton (assay) (US) to Poundal converter.
How many tons (assay) (us) is 100 poundals?
100 poundals equals 48.2973188232 tons (assay) (us), because 100 × 0.4829731882 = 48.2973188232.

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 = 0.4829731882 AT) verified against the following authoritative sources:

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