Mass and Weight · Unit Converter

Convert Poundal to Dram (avoirdupois)

Convert poundals to drams (avoirdupois) instantly. 1 poundal = 7.9503105576 dram (avoirdupois) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dram (avoirdupois) 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

Dram (avoirdupois)

What is a dram (avoirdupois)?

The avoirdupois dram (dr) equals one-sixteenth of an ounce, about 1.77 grams.

Origin of the dram (avoirdupois)

From Greek 'drachma' through Latin 'dragma'.

Where it is used

Historically pharmacy; today occasional cooking and firearms (powder) use.

When and where it was developed

Defined as 1/256 of the avoirdupois pound.

Poundal to Dram (avoirdupois) conversion formula

The relationship between poundals and drams (avoirdupois):

1 pdl = 7.9503105576 dr
1 dr = 0.12578125 pdl

To convert poundals to drams (avoirdupois), multiply the value in poundals by 7.9503105576. To reverse, multiply drams (avoirdupois) by 0.12578125.

How to use this converter

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

Step-by-step: convert poundals to drams (avoirdupois)

  1. Write down the value in poundals (pdl).
  2. Multiply that value by the factor 7.9503105576.
  3. The product is the equivalent value in drams (avoirdupois) (dr).
  4. To reverse, multiply the dram (avoirdupois) value by 0.12578125.

Worked examples

Example 1 — Convert 1 pdl to dr:
1 × 7.9503105576 = 7.9503105576 dr

Example 2 — Convert 100 pdl to dr:
100 × 7.9503105576 = 795.0310557604 dr

Real-world example — Postcard and small-object dimensions

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

5 pdl × 7.9503105576 = 39.751552788 dr

Real-world example — Ruler-scale measurements

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

30 pdl × 7.9503105576 = 238.5093167281 dr

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 drams (avoirdupois) daily when mixing metric and imperial tools.

10 pdl × 7.9503105576 = 79.503105576 dr

Poundal to Dram (avoirdupois) conversion table

Standard reference values for converting poundals to drams (avoirdupois):

Poundal [pdl]Dram (avoirdupois) [dr]
0.010.0795031056
0.10.7950310558
17.9503105576
215.9006211152
323.8509316728
431.8012422304
539.751552788
1079.503105576
20159.0062111521
30238.5093167281
40318.0124223042
50397.5155278802
100795.0310557604
5003975.155278802
10007950.310557604

Frequently asked questions

How many drams (avoirdupois) is 1 poundal?
1 poundal equals 7.9503105576 dram (avoirdupois).
How do I convert poundals to drams (avoirdupois)?
Multiply the value in poundals by 7.9503105576 to get drams (avoirdupois).
How do I convert drams (avoirdupois) back to poundals?
Multiply the value in drams (avoirdupois) by 0.12578125, or use the Dram (avoirdupois) to Poundal converter.
How many drams (avoirdupois) is 100 poundals?
100 poundals equals 795.0310557604 drams (avoirdupois), because 100 × 7.9503105576 = 795.0310557604.

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 = 7.9503105576 dr) verified against the following authoritative sources:

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