Mass and Weight · Unit Converter

Convert Poundal to Scruple (apothecary)

Convert poundals to scruples (apothecary) instantly. 1 poundal = 10.8695652442 scruple (apothecary) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Scruple (apothecary) 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.

Troy & Apothecary

Scruple (apothecary)

What is a scruple (apothecary)?

The apothecary scruple equals 20 grains, about 1.296 grams.

Origin of the scruple (apothecary)

From Latin 'scrupulus', a small sharp pebble used as a tiny weight.

Where it is used

Historical apothecary dosing of powders.

When and where it was developed

Part of the apothecaries' system used through the 19th century.

Poundal to Scruple (apothecary) conversion formula

The relationship between poundals and scruples (apothecary):

1 pdl = 10.8695652442 s ap
1 s ap = 0.0919999998 pdl

To convert poundals to scruples (apothecary), multiply the value in poundals by 10.8695652442. To reverse, multiply scruples (apothecary) by 0.0919999998.

How to use this converter

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

Step-by-step: convert poundals to scruples (apothecary)

  1. Write down the value in poundals (pdl).
  2. Multiply that value by the factor 10.8695652442.
  3. The product is the equivalent value in scruples (apothecary) (s ap).
  4. To reverse, multiply the scruple (apothecary) value by 0.0919999998.

Worked examples

Example 1 — Convert 1 pdl to s ap:
1 × 10.8695652442 = 10.8695652442 s ap

Example 2 — Convert 100 pdl to s ap:
100 × 10.8695652442 = 1086.956524423 s ap

Real-world example — Ruler-scale measurements

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

30 pdl × 10.8695652442 = 326.0869573269 s ap

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 scruples (apothecary) daily when mixing metric and imperial tools.

10 pdl × 10.8695652442 = 108.6956524423 s ap

Real-world example — Postcard and small-object dimensions

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

5 pdl × 10.8695652442 = 54.3478262212 s ap

Poundal to Scruple (apothecary) conversion table

Standard reference values for converting poundals to scruples (apothecary):

Poundal [pdl]Scruple (apothecary) [s ap]
0.010.1086956524
0.11.0869565244
110.8695652442
221.7391304885
332.6086957327
443.4782609769
554.3478262212
10108.6956524423
20217.3913048846
30326.0869573269
40434.7826097692
50543.4782622115
1001086.956524423
5005434.7826221151
100010869.5652442302

Frequently asked questions

How many scruples (apothecary) is 1 poundal?
1 poundal equals 10.8695652442 scruple (apothecary).
How do I convert poundals to scruples (apothecary)?
Multiply the value in poundals by 10.8695652442 to get scruples (apothecary).
How do I convert scruples (apothecary) back to poundals?
Multiply the value in scruples (apothecary) by 0.0919999998, or use the Scruple (apothecary) to Poundal converter.
How many scruples (apothecary) is 100 poundals?
100 poundals equals 1086.956524423 scruples (apothecary), because 100 × 10.8695652442 = 1086.956524423.

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 = 10.8695652442 s ap) verified against the following authoritative sources:

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