Mass and Weight · Unit Converter

Convert Seer (Ser) to Scruple (apothecary)

Convert seers (ser) to scruples (apothecary) instantly. 1 seer (ser) = 719.9999969135 scruple (apothecary) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Scruple (apothecary) to Seer (Ser) 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

Indian / South Asian

Seer (Ser)

What is a seer (ser)?

The seer (ser) equals about 933 grams, or eighty tola (close to one kilogram).

Origin of the seer (ser)

From Hindi/Urdu 'ser', a major pre-metric trade weight.

Where it is used

Historical grain, milk, and produce trade across South Asia.

When and where it was developed

Standardized in British India; aligned near 1 kg after metrication.

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.

Seer (Ser) to Scruple (apothecary) conversion formula

Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.

The relationship between seers (ser) and scruples (apothecary):

1 seer = 719.9999969135 s ap
1 s ap = 0.0013888889 seer

To convert seers (ser) to scruples (apothecary), multiply the value in seers (ser) by 719.9999969135. To reverse, multiply scruples (apothecary) by 0.0013888889.

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 Seer (Ser) converter for the reverse direction.

Step-by-step: convert seers (ser) to scruples (apothecary)

  1. Write down the value in seers (ser) (seer).
  2. Multiply that value by the factor 719.9999969135.
  3. The product is the equivalent value in scruples (apothecary) (s ap).
  4. To reverse, multiply the scruple (apothecary) value by 0.0013888889.

Worked examples

Example 1 — Convert 1 seer to s ap:
1 × 719.9999969135 = 719.9999969135 s ap

Example 2 — Convert 100 seer to s ap:
100 × 719.9999969135 = 71999.9996913528 s ap

Real-world example — Pet and accessory dimensions

A 3-seer (ser) dog leash equals a tidy round value in scruples (apothecary). Pet-supply shopping frequently mixes the two units across product specifications.

3 seer × 719.9999969135 = 2159.9999907406 s ap

Real-world example — Fabric and tailoring

One seer (ser) of fabric converts to a value in scruples (apothecary) commonly used for seam allowances. Garment patterns frequently switch between the two units on a single instruction sheet.

1 seer × 719.9999969135 = 719.9999969135 s ap

Real-world example — Body height conversion (reverse direction)

You measure 1.75 seers (ser) tall and need to fill in a gym membership form or medical record that asks for height in scruples (apothecary). This is the most-used everyday length conversion in metric-using countries.

1.75 seer × 719.9999969135 = 1259.9999945987 s ap

Seer (Ser) to Scruple (apothecary) conversion table

Standard reference values for converting seers (ser) to scruples (apothecary):

Seer (Ser) [seer]Scruple (apothecary) [s ap]
0.017.1999999691
0.171.9999996914
1719.9999969135
21439.9999938271
32159.9999907406
42879.9999876541
53599.9999845676
107199.9999691353
2014399.9999382706
3021599.9999074059
4028799.9998765411
5035999.9998456764
10071999.9996913528
500359999.9984567642
1000719999.9969135283

Frequently asked questions

How many scruples (apothecary) is 1 seer (ser)?
1 seer (ser) equals 719.9999969135 scruple (apothecary).
How do I convert seers (ser) to scruples (apothecary)?
Multiply the value in seers (ser) by 719.9999969135 to get scruples (apothecary).
How do I convert scruples (apothecary) back to seers (ser)?
Multiply the value in scruples (apothecary) by 0.0013888889, or use the Scruple (apothecary) to Seer (Ser) converter.
How many scruples (apothecary) is 100 seers (ser)?
100 seers (ser) equals 71999.9996913528 scruples (apothecary), because 100 × 719.9999969135 = 71999.9996913528.

Convert Seer (Ser) to other weight units

Show all Seer (Ser) conversions
Metric / SI (18 units)
Seer (Ser) to Attogram (ag) Seer (Ser) to Femtogram (fg) Seer (Ser) to Picogram (pg) Seer (Ser) to Nanogram (ng) Seer (Ser) to Microgram (µg) Seer (Ser) to Milligram (mg) Seer (Ser) to Centigram (cg) Seer (Ser) to Decigram (dg) Seer (Ser) to Gram (g) Seer (Ser) to Dekagram (dag) Seer (Ser) to Hectogram (hg) Seer (Ser) to Kilogram (kg) Seer (Ser) to Quintal (metric) (q) Seer (Ser) to Metric Ton (t) Seer (Ser) to Gigagram (Gg) Seer (Ser) to Teragram (Tg) Seer (Ser) to Petagram (Pg) Seer (Ser) to Exagram (Eg)
Avoirdupois (15 units)
Seer (Ser) to Grain (gr) Seer (Ser) to Dram (avoirdupois) (dr) Seer (Ser) to Ounce (oz) Seer (Ser) to Pound (lb) Seer (Ser) to Clove (clove) Seer (Ser) to Stone (US) (st) Seer (Ser) to Stone (UK) (st) Seer (Ser) to Quarter (US) (qr) Seer (Ser) to Quarter (UK) (qr) Seer (Ser) to Hundredweight (US) (cwt) Seer (Ser) to Hundredweight (UK) (cwt) Seer (Ser) to Wey (wey) Seer (Ser) to Kilopound (kip) (kip) Seer (Ser) to Ton (short, US) (sh tn) Seer (Ser) to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Seer (Ser) to Point (1/100 carat) (pt) Seer (Ser) to Carat (metric) (ct) Seer (Ser) to Scruple (apothecary) (s ap) Seer (Ser) to Pennyweight (dwt) Seer (Ser) to Momme (mom) Seer (Ser) to Mace (mace) Seer (Ser) to Dram (apothecary/troy) (dr ap) Seer (Ser) to Troy Ounce (oz t) Seer (Ser) to Tael (tael) Seer (Ser) to Pound (troy/apothecary) (lb t)
Indian / South Asian (5 units)
Seer (Ser) to Ratti (ratti) Seer (Ser) to Masha (masha) Seer (Ser) to Tola (tola) Seer (Ser) to Chittack (Chatank) (chittack) Seer (Ser) to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Seer (Ser) to Electron Mass (rest) (me) Seer (Ser) to MeV/c2 (MeV/c²) Seer (Ser) to Muon Mass (mµ) Seer (Ser) to Atomic Mass Unit (u) Seer (Ser) to Proton Mass (mp) Seer (Ser) to Neutron Mass (mn) Seer (Ser) to Deuteron Mass (md) Seer (Ser) to Carbon-12 Atom Mass (C-12) Seer (Ser) to Planck Mass (mP)
Astronomical (4 units)
Seer (Ser) to Lunar Mass (Moon) (M☾) Seer (Ser) to Earth's Mass (M⊕) Seer (Ser) to Jupiter Mass (MJ) Seer (Ser) to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Seer (Ser) to Lepton (Biblical Roman) (lepton) Seer (Ser) to Quadrans (Biblical Roman) (quadrans) Seer (Ser) to Assarion (Biblical Roman) (assarion) Seer (Ser) to Gerah (Biblical Hebrew) (gerah) Seer (Ser) to Drachma (Biblical Greek) (drachma) Seer (Ser) to Denarius (Biblical Roman) (denarius) Seer (Ser) to Bekan (Biblical Hebrew) (bekah) Seer (Ser) to Didrachma (Biblical Greek) (didrachma) Seer (Ser) to Shekel (Biblical Hebrew) (shekel) Seer (Ser) to Tetradrachma (Biblical Greek) (tetra) Seer (Ser) to Mina (Biblical Greek) (mina) Seer (Ser) to Mina (Biblical Hebrew) (mina) Seer (Ser) to Talent (Biblical Greek) (talent) Seer (Ser) to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Seer (Ser) to Poundal (pdl) Seer (Ser) to Ton (assay) (US) (AT) Seer (Ser) to Ton (assay) (UK) (AT) Seer (Ser) to Kilogram-force square second/meter (hyl) Seer (Ser) to Slug (slug)

Sources & references

Conversion factor (1 seer = 719.9999969135 s ap) verified against the following authoritative sources:

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