Mass and Weight · Unit Converter

Convert Dram (apothecary/troy) to Kilogram-force square second/meter

Convert drams (apothecary/troy) to kilogram-force square second/meters instantly. 1 dram (apothecary/troy) = 0.000396459 kilogram-force square second/meter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Kilogram-force square second/meter to Dram (apothecary/troy) 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

Troy & Apothecary

Dram (apothecary/troy)

What is a dram (apothecary/troy)?

The apothecary (troy) dram equals one-eighth of a troy ounce, about 3.888 grams.

Origin of the dram (apothecary/troy)

From the apothecaries' system rooted in the Greek 'drachma'.

Where it is used

Historical pharmacy and medicine compounding.

When and where it was developed

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

Force / Engineering

Kilogram-force square second/meter

What is a kilogram-force square second/meter?

The kilogram-force second-squared per meter (the hyl or TME) is about 9.807 kg.

Origin of the kilogram-force square second/meter

The mass unit of the metric gravitational (technical) system.

Where it is used

Older continental European engineering practice.

When and where it was developed

Used in the metric technical system before SI adoption.

Dram (apothecary/troy) to Kilogram-force square second/meter conversion formula

The relationship between drams (apothecary/troy) and kilogram-force square second/meters:

1 dr ap = 0.000396459 hyl
1 hyl = 2522.3289506979 dr ap

To convert drams (apothecary/troy) to kilogram-force square second/meters, multiply the value in drams (apothecary/troy) by 0.000396459. To reverse, multiply kilogram-force square second/meters by 2522.3289506979.

How to use this converter

Type a value into the calculator. The result in kilogram-force square second/meters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Kilogram-force square second/meter to Dram (apothecary/troy) converter for the reverse direction.

Step-by-step: convert drams (apothecary/troy) to kilogram-force square second/meters

  1. Write down the value in drams (apothecary/troy) (dr ap).
  2. Multiply that value by the factor 0.000396459.
  3. The product is the equivalent value in kilogram-force square second/meters (hyl).
  4. To reverse, multiply the kilogram-force square second/meter value by 2522.3289506979.

Worked examples

Example 1 — Convert 1 dr ap to hyl:
1 × 0.000396459 = 0.000396459 hyl

Example 2 — Convert 100 dr ap to hyl:
100 × 0.000396459 = 0.0396458995 hyl

Real-world example — Body height conversion

You enter your height as 180 drams (apothecary/troy) into an international job or visa application. The form then asks for the same value in kilogram-force square second/meters — converting between these adjacent units is one of the most-used length conversions globally.

180 dr ap × 0.000396459 = 0.071362619 hyl

Real-world example — Furniture and large objects

A 72-dram (apothecary/troy) piece of furniture converts to a value in kilogram-force square second/meters that's easier to mentally compare with room dimensions. This is the typical workflow when shopping internationally and product specs use a different unit than your room measurements.

72 dr ap × 0.000396459 = 0.0285450476 hyl

Real-world example — Children's height milestones

A 150-dram (apothecary/troy)-tall child measures a value in kilogram-force square second/meters that's commonly used for theme-park ride height requirements when travelling between countries that use different measurement units.

150 dr ap × 0.000396459 = 0.0594688492 hyl

Dram (apothecary/troy) to Kilogram-force square second/meter conversion table

Standard reference values for converting drams (apothecary/troy) to kilogram-force square second/meters:

Dram (apothecary/troy) [dr ap]Kilogram-force square second/meter [hyl]
0.013.96459e-6
0.13.96459e-5
10.000396459
20.000792918
30.001189377
40.001585836
50.001982295
100.0039645899
200.0079291799
300.0118937698
400.0158583598
500.0198229497
1000.0396458995
5000.1982294973
10000.3964589947

Frequently asked questions

How many kilogram-force square second/meters is 1 dram (apothecary/troy)?
1 dram (apothecary/troy) equals 0.000396459 kilogram-force square second/meter.
How do I convert drams (apothecary/troy) to kilogram-force square second/meters?
Multiply the value in drams (apothecary/troy) by 0.000396459 to get kilogram-force square second/meters.
How do I convert kilogram-force square second/meters back to drams (apothecary/troy)?
Multiply the value in kilogram-force square second/meters by 2522.3289506979, or use the Kilogram-force square second/meter to Dram (apothecary/troy) converter.
How many kilogram-force square second/meters is 100 drams (apothecary/troy)?
100 drams (apothecary/troy) equals 0.0396458995 kilogram-force square second/meters, because 100 × 0.000396459 = 0.0396458995.

Convert Dram (apothecary/troy) to other weight units

Show all Dram (apothecary/troy) conversions
Metric / SI (18 units)
Dram (apothecary/troy) to Attogram (ag) Dram (apothecary/troy) to Femtogram (fg) Dram (apothecary/troy) to Picogram (pg) Dram (apothecary/troy) to Nanogram (ng) Dram (apothecary/troy) to Microgram (µg) Dram (apothecary/troy) to Milligram (mg) Dram (apothecary/troy) to Centigram (cg) Dram (apothecary/troy) to Decigram (dg) Dram (apothecary/troy) to Gram (g) Dram (apothecary/troy) to Dekagram (dag) Dram (apothecary/troy) to Hectogram (hg) Dram (apothecary/troy) to Kilogram (kg) Dram (apothecary/troy) to Quintal (metric) (q) Dram (apothecary/troy) to Metric Ton (t) Dram (apothecary/troy) to Gigagram (Gg) Dram (apothecary/troy) to Teragram (Tg) Dram (apothecary/troy) to Petagram (Pg) Dram (apothecary/troy) to Exagram (Eg)
Avoirdupois (15 units)
Dram (apothecary/troy) to Grain (gr) Dram (apothecary/troy) to Dram (avoirdupois) (dr) Dram (apothecary/troy) to Ounce (oz) Dram (apothecary/troy) to Pound (lb) Dram (apothecary/troy) to Clove (clove) Dram (apothecary/troy) to Stone (US) (st) Dram (apothecary/troy) to Stone (UK) (st) Dram (apothecary/troy) to Quarter (US) (qr) Dram (apothecary/troy) to Quarter (UK) (qr) Dram (apothecary/troy) to Hundredweight (US) (cwt) Dram (apothecary/troy) to Hundredweight (UK) (cwt) Dram (apothecary/troy) to Wey (wey) Dram (apothecary/troy) to Kilopound (kip) (kip) Dram (apothecary/troy) to Ton (short, US) (sh tn) Dram (apothecary/troy) to Ton (long, UK) (long tn)
Troy & Apothecary (9 units)
Dram (apothecary/troy) to Point (1/100 carat) (pt) Dram (apothecary/troy) to Carat (metric) (ct) Dram (apothecary/troy) to Scruple (apothecary) (s ap) Dram (apothecary/troy) to Pennyweight (dwt) Dram (apothecary/troy) to Momme (mom) Dram (apothecary/troy) to Mace (mace) Dram (apothecary/troy) to Troy Ounce (oz t) Dram (apothecary/troy) to Tael (tael) Dram (apothecary/troy) to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Dram (apothecary/troy) to Ratti (ratti) Dram (apothecary/troy) to Masha (masha) Dram (apothecary/troy) to Tola (tola) Dram (apothecary/troy) to Chittack (Chatank) (chittack) Dram (apothecary/troy) to Seer (Ser) (seer) Dram (apothecary/troy) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Dram (apothecary/troy) to Electron Mass (rest) (me) Dram (apothecary/troy) to MeV/c2 (MeV/c²) Dram (apothecary/troy) to Muon Mass (mµ) Dram (apothecary/troy) to Atomic Mass Unit (u) Dram (apothecary/troy) to Proton Mass (mp) Dram (apothecary/troy) to Neutron Mass (mn) Dram (apothecary/troy) to Deuteron Mass (md) Dram (apothecary/troy) to Carbon-12 Atom Mass (C-12) Dram (apothecary/troy) to Planck Mass (mP)
Astronomical (4 units)
Dram (apothecary/troy) to Lunar Mass (Moon) (M☾) Dram (apothecary/troy) to Earth's Mass (M⊕) Dram (apothecary/troy) to Jupiter Mass (MJ) Dram (apothecary/troy) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Dram (apothecary/troy) to Lepton (Biblical Roman) (lepton) Dram (apothecary/troy) to Quadrans (Biblical Roman) (quadrans) Dram (apothecary/troy) to Assarion (Biblical Roman) (assarion) Dram (apothecary/troy) to Gerah (Biblical Hebrew) (gerah) Dram (apothecary/troy) to Drachma (Biblical Greek) (drachma) Dram (apothecary/troy) to Denarius (Biblical Roman) (denarius) Dram (apothecary/troy) to Bekan (Biblical Hebrew) (bekah) Dram (apothecary/troy) to Didrachma (Biblical Greek) (didrachma) Dram (apothecary/troy) to Shekel (Biblical Hebrew) (shekel) Dram (apothecary/troy) to Tetradrachma (Biblical Greek) (tetra) Dram (apothecary/troy) to Mina (Biblical Greek) (mina) Dram (apothecary/troy) to Mina (Biblical Hebrew) (mina) Dram (apothecary/troy) to Talent (Biblical Greek) (talent) Dram (apothecary/troy) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Dram (apothecary/troy) to Poundal (pdl) Dram (apothecary/troy) to Ton (assay) (US) (AT) Dram (apothecary/troy) to Ton (assay) (UK) (AT) Dram (apothecary/troy) to Kilogram-force square second/meter (hyl) Dram (apothecary/troy) to Slug (slug)

Sources & references

Conversion factor (1 dr ap = 0.000396459 hyl) verified against the following authoritative sources:

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