Mass and Weight · Unit Converter

Convert Grain to Dekagram

Convert grains to dekagrams instantly. 1 grain = 0.00647989 dekagram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dekagram to Grain 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

Avoirdupois

Grain

What is a grain?

The grain (gr) equals 1/7000 of an avoirdupois pound, about 64.8 milligrams.

Origin of the grain

Based on the nominal mass of a single barley grain.

Where it is used

Ammunition and bullet mass, archery, and historical pharmacy.

When and where it was developed

Standardized through the English avoirdupois system and retained in 1959.

Metric / SI

Dekagram

What is a dekagram?

A dekagram (dag) equals 0.01 kilogram, or 10 grams.

Origin of the dekagram

From the SI prefix 'deka-' (from Greek 'deka', ten).

Where it is used

Widely used in Central and Eastern European cooking and shops (dag/dkg).

When and where it was developed

Part of the original metric system introduced in 1795.

Grain to Dekagram conversion formula

The relationship between grains and dekagrams:

1 gr = 0.00647989 dag
1 dag = 154.3236073452 gr

To convert grains to dekagrams, multiply the value in grains by 0.00647989. To reverse, multiply dekagrams by 154.3236073452.

How to use this converter

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

Step-by-step: convert grains to dekagrams

  1. Write down the value in grains (gr).
  2. Multiply that value by the factor 0.00647989.
  3. The product is the equivalent value in dekagrams (dag).
  4. To reverse, multiply the dekagram value by 154.3236073452.

Worked examples

Example 1 — Convert 1 gr to dag:
1 × 0.00647989 = 0.00647989 dag

Example 2 — Convert 100 gr to dag:
100 × 0.00647989 = 0.647989 dag

Real-world example — Packaging gauge

A 4-grain plastic bag thickness is a common spec for grocery and freezer bags. Converting from grains to dekagrams is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 gr × 0.00647989 = 0.02591956 dag

Real-world example — Plastic film and laminate thickness

A 500-grain sheet is a typical spec for ID-card laminates and film overlays. Converting to dekagrams aligns the value with the unit most CAD systems and material datasheets prefer.

500 gr × 0.00647989 = 3.239945 dag

Grain to Dekagram conversion table

Standard reference values for converting grains to dekagrams:

Grain [gr]Dekagram [dag]
0.016.47989e-5
0.10.000647989
10.00647989
20.01295978
30.01943967
40.02591956
50.03239945
100.0647989
200.1295978
300.1943967
400.2591956
500.3239945
1000.647989
5003.239945
10006.47989

Frequently asked questions

How many dekagrams is 1 grain?
1 grain equals 0.00647989 dekagram.
How do I convert grains to dekagrams?
Multiply the value in grains by 0.00647989 to get dekagrams.
How do I convert dekagrams back to grains?
Multiply the value in dekagrams by 154.3236073452, or use the Dekagram to Grain converter.
How many dekagrams is 100 grains?
100 grains equals 0.647989 dekagrams, because 100 × 0.00647989 = 0.647989.

Convert Grain to other weight units

Show all Grain conversions
Metric / SI (18 units)
Grain to Attogram (ag) Grain to Femtogram (fg) Grain to Picogram (pg) Grain to Nanogram (ng) Grain to Microgram (µg) Grain to Milligram (mg) Grain to Centigram (cg) Grain to Decigram (dg) Grain to Gram (g) Grain to Dekagram (dag) Grain to Hectogram (hg) Grain to Kilogram (kg) Grain to Quintal (metric) (q) Grain to Metric Ton (t) Grain to Gigagram (Gg) Grain to Teragram (Tg) Grain to Petagram (Pg) Grain to Exagram (Eg)
Avoirdupois (14 units)
Grain to Dram (avoirdupois) (dr) Grain to Ounce (oz) Grain to Pound (lb) Grain to Clove (clove) Grain to Stone (US) (st) Grain to Stone (UK) (st) Grain to Quarter (US) (qr) Grain to Quarter (UK) (qr) Grain to Hundredweight (US) (cwt) Grain to Hundredweight (UK) (cwt) Grain to Wey (wey) Grain to Kilopound (kip) (kip) Grain to Ton (short, US) (sh tn) Grain to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Grain to Point (1/100 carat) (pt) Grain to Carat (metric) (ct) Grain to Scruple (apothecary) (s ap) Grain to Pennyweight (dwt) Grain to Momme (mom) Grain to Mace (mace) Grain to Dram (apothecary/troy) (dr ap) Grain to Troy Ounce (oz t) Grain to Tael (tael) Grain to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Grain to Ratti (ratti) Grain to Masha (masha) Grain to Tola (tola) Grain to Chittack (Chatank) (chittack) Grain to Seer (Ser) (seer) Grain to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Grain to Electron Mass (rest) (me) Grain to MeV/c2 (MeV/c²) Grain to Muon Mass (mµ) Grain to Atomic Mass Unit (u) Grain to Proton Mass (mp) Grain to Neutron Mass (mn) Grain to Deuteron Mass (md) Grain to Carbon-12 Atom Mass (C-12) Grain to Planck Mass (mP)
Astronomical (4 units)
Grain to Lunar Mass (Moon) (M☾) Grain to Earth's Mass (M⊕) Grain to Jupiter Mass (MJ) Grain to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Grain to Lepton (Biblical Roman) (lepton) Grain to Quadrans (Biblical Roman) (quadrans) Grain to Assarion (Biblical Roman) (assarion) Grain to Gerah (Biblical Hebrew) (gerah) Grain to Drachma (Biblical Greek) (drachma) Grain to Denarius (Biblical Roman) (denarius) Grain to Bekan (Biblical Hebrew) (bekah) Grain to Didrachma (Biblical Greek) (didrachma) Grain to Shekel (Biblical Hebrew) (shekel) Grain to Tetradrachma (Biblical Greek) (tetra) Grain to Mina (Biblical Greek) (mina) Grain to Mina (Biblical Hebrew) (mina) Grain to Talent (Biblical Greek) (talent) Grain to Talent (Biblical Hebrew) (talent)
Force / Engineering (5 units)
Grain to Poundal (pdl) Grain to Ton (assay) (US) (AT) Grain to Ton (assay) (UK) (AT) Grain to Kilogram-force square second/meter (hyl) Grain to Slug (slug)

Sources & references

Conversion factor (1 gr = 0.00647989 dag) verified against the following authoritative sources:

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