Mass and Weight · Unit Converter

Convert Gram to Wey

Convert grams to weys instantly. 1 gram = 8.748502e-6 wey — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Wey to Gram 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

Metric / SI

Gram

What is a gram?

The gram (g) equals one-thousandth of a kilogram.

Origin of the gram

From Late Latin 'gramma', a small weight or scruple.

Where it is used

The everyday metric unit for food, medicine, and small objects.

When and where it was developed

Defined in 1795 as the mass of one cubic centimeter of water at melting point.

Avoirdupois

Wey

What is a wey?

The wey was an English bulk weight, here taken as 252 pounds (about 114.3 kg).

Origin of the wey

From Old English 'waege', a weighing or balance.

Where it is used

Obsolete English unit for wool, cheese, and salt.

When and where it was developed

Used in medieval and early-modern English trade.

Gram to Wey 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 grams and weys:

1 g = 8.748502e-6 wey
1 wey = 114305.27724 g

To convert grams to weys, multiply the value in grams by 8.748502e-6. To reverse, multiply weys by 114305.27724.

How to use this converter

Type a value into the calculator. The result in weys updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Wey to Gram converter for the reverse direction.

Step-by-step: convert grams to weys

  1. Write down the value in grams (g).
  2. Multiply that value by the factor 8.748502e-6.
  3. The product is the equivalent value in weys (wey).
  4. To reverse, multiply the wey value by 114305.27724.

Worked examples

Example 1 — Convert 1 g to wey:
1 × 8.748502e-6 = 8.748502e-6 wey

Example 2 — Convert 100 g to wey:
100 × 8.748502e-6 = 0.0008748502 wey

Real-world example — Postcard and small-object dimensions

A postcard is about 5 grams wide. Converting to weys is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 g × 8.748502e-6 = 4.374251e-5 wey

Real-world example — Ruler-scale measurements

A 30-gram school ruler converts cleanly to weys — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 g × 8.748502e-6 = 0.0002624551 wey

Real-world example — Hardware-scale dimensions

A 10-gram fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between grams and weys daily when mixing metric and imperial tools.

10 g × 8.748502e-6 = 8.748502e-5 wey

Gram to Wey conversion table

Standard reference values for converting grams to weys:

Gram [g]Wey [wey]
0.018.748502e-8
0.18.748502e-7
18.748502e-6
21.7497e-5
32.624551e-5
43.499401e-5
54.374251e-5
108.748502e-5
200.00017497
300.0002624551
400.0003499401
500.0004374251
1000.0008748502
5000.0043742512
10000.0087485025

Frequently asked questions

How many weys is 1 gram?
1 gram equals 8.748502e-6 wey.
How do I convert grams to weys?
Multiply the value in grams by 8.748502e-6 to get weys.
How do I convert weys back to grams?
Multiply the value in weys by 114305.27724, or use the Wey to Gram converter.
How many weys is 100 grams?
100 grams equals 0.0008748502 weys, because 100 × 8.748502e-6 = 0.0008748502.

Convert Gram to other weight units

Show all Gram conversions
Metric / SI (17 units)
Gram to Attogram (ag) Gram to Femtogram (fg) Gram to Picogram (pg) Gram to Nanogram (ng) Gram to Microgram (µg) Gram to Milligram (mg) Gram to Centigram (cg) Gram to Decigram (dg) Gram to Dekagram (dag) Gram to Hectogram (hg) Gram to Kilogram (kg) Gram to Quintal (metric) (q) Gram to Metric Ton (t) Gram to Gigagram (Gg) Gram to Teragram (Tg) Gram to Petagram (Pg) Gram to Exagram (Eg)
Avoirdupois (15 units)
Gram to Grain (gr) Gram to Dram (avoirdupois) (dr) Gram to Ounce (oz) Gram to Pound (lb) Gram to Clove (clove) Gram to Stone (US) (st) Gram to Stone (UK) (st) Gram to Quarter (US) (qr) Gram to Quarter (UK) (qr) Gram to Hundredweight (US) (cwt) Gram to Hundredweight (UK) (cwt) Gram to Wey (wey) Gram to Kilopound (kip) (kip) Gram to Ton (short, US) (sh tn) Gram to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Gram to Point (1/100 carat) (pt) Gram to Carat (metric) (ct) Gram to Scruple (apothecary) (s ap) Gram to Pennyweight (dwt) Gram to Momme (mom) Gram to Mace (mace) Gram to Dram (apothecary/troy) (dr ap) Gram to Troy Ounce (oz t) Gram to Tael (tael) Gram to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Gram to Ratti (ratti) Gram to Masha (masha) Gram to Tola (tola) Gram to Chittack (Chatank) (chittack) Gram to Seer (Ser) (seer) Gram to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Gram to Electron Mass (rest) (me) Gram to MeV/c2 (MeV/c²) Gram to Muon Mass (mµ) Gram to Atomic Mass Unit (u) Gram to Proton Mass (mp) Gram to Neutron Mass (mn) Gram to Deuteron Mass (md) Gram to Carbon-12 Atom Mass (C-12) Gram to Planck Mass (mP)
Astronomical (4 units)
Gram to Lunar Mass (Moon) (M☾) Gram to Earth's Mass (M⊕) Gram to Jupiter Mass (MJ) Gram to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Gram to Lepton (Biblical Roman) (lepton) Gram to Quadrans (Biblical Roman) (quadrans) Gram to Assarion (Biblical Roman) (assarion) Gram to Gerah (Biblical Hebrew) (gerah) Gram to Drachma (Biblical Greek) (drachma) Gram to Denarius (Biblical Roman) (denarius) Gram to Bekan (Biblical Hebrew) (bekah) Gram to Didrachma (Biblical Greek) (didrachma) Gram to Shekel (Biblical Hebrew) (shekel) Gram to Tetradrachma (Biblical Greek) (tetra) Gram to Mina (Biblical Greek) (mina) Gram to Mina (Biblical Hebrew) (mina) Gram to Talent (Biblical Greek) (talent) Gram to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Gram to Poundal (pdl) Gram to Ton (assay) (US) (AT) Gram to Ton (assay) (UK) (AT) Gram to Kilogram-force square second/meter (hyl) Gram to Slug (slug)

Sources & references

Conversion factor (1 g = 8.748502e-6 wey) verified against the following authoritative sources:

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