Grains (gr)	Slugs (slug)
1 gr	0.00000444 slug
2 gr	0.00000888 slug
5 gr	0.0000222 slug
10 gr	0.0000444 slug
25 gr	0.000111 slug
50 gr	0.000222 slug
100 gr	0.000444 slug
250 gr	0.00111 slug
500 gr	0.00222 slug
1000 gr	0.00444 slug

Convert Grains to Slugs

Convert grains to slugs (gr to slug) with our instant calculator. 1 gr = 0.000004 slug. Includes exact formula and reference tables.

How to Convert Grains to Slugs (gr to slug)

1 Grain (gr) is equal to 0.000004 Slugs (slug). Multiply the grain value by 0.00000444013575

Quick Answer 1 gr = 0.000004 slug

Formula slug = gr × 0.00000444013575

Inverse Factor 1 slug = 225218.339321 gr

Unit Definitions & Metrology Context

The standard SI base unit of mass is the kilogram (kg), defined in terms of the Planck constant (h = 6.62607015 × 10⁻³⁴ J⋅s).

About Grains (gr): Grain (gr) is a unit in the Weight & Mass measurement category. It is widely used in gunpowder, arrows & pharmacy. Relative to the weight & mass base unit, 1 gr equals 0.000065 Kilograms (kg).

About Slugs (slug): Slug (slug) is a unit in the Weight & Mass measurement category. It is widely used in aerospace & mechanics (lbf·s²/ft). Relative to the weight & mass base unit, 1 slug equals 14.593903 Kilograms (kg).

Need to convert in the opposite direction? Visit our Convert Slugs to Grains (slug to gr) calculator (1 slug = 225218.339321 gr).

Step-by-Step Worked Examples (gr to slug)

Convert 5 Grains to Slugs: Applying the formula (slug = gr × 0.00000444013575): starting with 5 gr, multiply the grain value by 0.00000444013575 to get 0 slug.
Convert 10 Grains to Slugs: Applying the formula (slug = gr × 0.00000444013575): starting with 10 gr, multiply the grain value by 0.00000444013575 to get 0 slug.
Convert 50 Grains to Slugs: Applying the formula (slug = gr × 0.00000444013575): starting with 50 gr, multiply the grain value by 0.00000444013575 to get 0.0002 slug.

Popular Weight & Mass Conversions

Pound ⇄ Kilogram

1 avoirdupois pound is legally defined as exactly 0.45359237 kilograms.

Ounce ⇄ Gram

1 ounce is approximately 28.3495 grams (1/16 of a pound).

Stone ⇄ Pound

1 British stone is exactly equal to 14 pounds (approx. 6.35029 kg).

Kilogram ⇄ Gram

1 kilogram equals exactly 1,000 grams.

Frequently Asked Questions

Verified answers and formulas for converting grains to slugs.

How many slugs are in 1 grain?

There are 0.000004 slugs (slug) in 1 grain (gr). Conversely, 1 slug equals 225218.339321 grains.

How do you convert grains to slugs?

To convert grains (gr) to slugs (slug), use the formula: slug = gr × 0.00000444013575. Multiply the grain value by 0.00000444013575. For example, 10 gr equals 0 slug.

How do I convert back from slugs to grains?

To convert in the reverse direction from slugs (slug) to grains (gr), use the inverse formula: gr = slug × 225218.3393. Multiply the slug value by 225218.3393 (1 slug = 225218.339321 gr).

What is the difference between grain (gr) and slug (slug)?

Both grain and slug measure weight & mass. Grain (gr) is a unit in the Weight & Mass measurement category. It is widely used in gunpowder, arrows & pharmacy. Relative to the weight & mass base unit, 1 gr equals 0.000065 Kilograms (kg). Slug (slug) is a unit in the Weight & Mass measurement category. It is widely used in aerospace & mechanics (lbf·s²/ft). Relative to the weight & mass base unit, 1 slug equals 14.593903 Kilograms (kg).

How many pounds are in 1 kilogram?

1 kilogram equals approximately 2.20462 pounds. A quick mental trick is to multiply kilograms by 2.2.