How many grains are in one short hundredweight?

One short hundredweight contains exactly 700,000 grains. This is 7,000 grains per pound times 100 pounds per hundredweight.

Why is this number so clean?

Because both factors are clean numbers: 7,000 grains per pound (a defining constant of the avoirdupois system) and 100 pounds per hundredweight (the defining feature of the American short hundredweight). Their product, 700,000, inherits cleanliness from both parents.

How do I convert short hundredweights to grains?

Multiply hundredweights by 700,000. For example, 0.1 hundredweights (10 pounds) equals exactly 70,000 grains.

Hundredweights (US) to Grains (cwt to gr) Converter

1 cwt = 700,000 gr

1 Hundredweight (US) equals 700,000 Grains (1 cwt = 700,000 gr). Convert Hundredweights (US) to Grains with formula, table, and examples.

One short hundredweight equals exactly 700,000 grains. This impressively round number comes from the defining relationship of 7,000 grains per pound multiplied by 100 pounds per hundredweight. The grain, as the smallest and most fundamental unit in the avoirdupois system, subdivides the hundredweight into seven hundred thousand identical pieces.

How to Convert Hundredweights (US) to Grains

gr = cwt × 700,000.0000000001

Multiply the value in Hundredweights (US) by 700,000.0000000001

Take your value in Hundredweights (US)
Multiply by 700,000.0000000001
Read the result in Grains

Common Hundredweights (US) to Grains Conversions

Hundredweights (US) (cwt)	Grains (gr)	Status
0.001 cwt	700 gr
0.005 cwt	3,500 gr
0.01 cwt	7,000 gr
0.05 cwt	35,000 gr
0.1 cwt	70,000 gr
0.5 cwt	350,000 gr
1 cwt	700,000 gr
2 cwt	1,400,000 gr
5 cwt	3,500,000 gr
10 cwt	7,000,000 gr
50 cwt	35,000,000 gr
100 cwt	70,000,000 gr

Good to Know About Hundredweights (US) to Grains Conversion

The 700,000-grain hundredweight is the imperial system at its most elegantly simple. Two round numbers (7,000 and 100) multiply to produce a third round number (700,000), creating a chain of clean arithmetic from the smallest unit (grain) to a substantial bulk measurement (hundredweight). This mathematical beauty is often lost in criticisms of the imperial system, which focus on its cross-system conversions rather than its internal consistency.

Hundredweights (US) to Grains: What You Need to Know

Ammunition reloaders purchasing powder by the hundredweight and measuring charges in grains work across this conversion regularly. A hundredweight of smokeless powder contains enough grains for tens of thousands of individual cartridge charges. The clean 700,000-grain ratio makes inventory calculations straightforward.

What is a Hundredweight (US)? cwt

A US hundredweight (short hundredweight or cental) is exactly 100 pounds or 45.359237 kilograms. Used in US agriculture and commodities trading.

Imperial US agriculture commodities trading livestock

Learn more about Hundredweight (US) →

What is a Grain? gr

A grain is a unit of mass equal to exactly 64.79891 milligrams. It is the same in the avoirdupois, troy, and apothecaries' systems, derived from the 1959 international agreement defining the pound as exactly 0.45359237 kilograms.

Imperial Troy Apothecaries ammunition weight bullet measurement historical pharmacy

Learn more about Grain →

Going the other way? Use our Grains to Hundredweights (US) converter.

Hundredweights (US) to Grains FAQ

One short hundredweight contains exactly 700,000 grains. This is 7,000 grains per pound times 100 pounds per hundredweight.
Because both factors are clean numbers: 7,000 grains per pound (a defining constant of the avoirdupois system) and 100 pounds per hundredweight (the defining feature of the American short hundredweight). Their product, 700,000, inherits cleanliness from both parents.
Multiply hundredweights by 700,000. For example, 0.1 hundredweights (10 pounds) equals exactly 70,000 grains.

Non-Frequently Asked Questions About Hundredweights (US) to Grains

Questions nobody should ask - but someone did.

It is certainly one of the roundest large numbers. Most inter-unit conversions produce ugly decimals, but 700,000 grains per hundredweight is clean, exact, and divisible by an impressive variety of numbers. It reflects the rare alignment of two independently defined round numbers (7,000 and 100) multiplied together.
A typical rifle charge is 40 to 60 grains of powder. At 50 grains per charge, 700,000 grains would load 14,000 cartridges. That is enough ammunition for several years of regular target shooting or hunting, and more than any individual needs to have on hand at once.
A single serving of rice contains roughly 3,000 to 4,000 grains of actual rice. So 700,000 rice grains would make about 175 to 233 servings, or roughly 6 to 8 months of daily rice consumption for one person. Confusingly, 700,000 grains of weight and 700,000 grains of rice are not the same mass, since the weight grain (65 mg) and a rice grain (25-30 mg) differ by a factor of about 2.