Pound to Grain Converter
Convert between pounds (lb) and grains (gr) instantly with our accurate weight conversion tool. Perfect for reloaders, pharmacists, and anyone needing precise weight measurements.
You can enter whole numbers, decimals (e.g., 1.5), or fractions (e.g., 3/4)
You can enter whole numbers, decimals (e.g., 100.5), or fractions (e.g., 1/2)
Conversion Information
1 pound (lb) = 7,000 grains (gr)
This conversion is based on the avoirdupois system, the most common system of weights used in the United States for measuring mass.
Understanding Pounds and Grains
The pound (lb) is a unit of mass used in the imperial and United States customary systems of measurement. It is widely used in the United States for body weight measurements, food packaging, and other everyday applications.
The grain (gr) is a much smaller unit of mass, traditionally based on the weight of a single grain of cereal (wheat or barley). Today, it’s primarily used in:
- Reloading ammunition (bullet and powder weights)
- Jewelry (pearl and gemstone weights)
- Pharmaceutical measurements
- Archery (arrow weights)
How to Use Our Pound to Grain Converter
Our converter makes it easy to switch between pounds and grains:
- Enter a value in either the pounds or grains field
- Click the “Convert” button
- View both conversions instantly
The tool accepts whole numbers (e.g., 5), decimals (e.g., 2.5), and fractions (e.g., 3/4). For fractions, use the forward slash (/) between numbers.
Practical Applications of Pound to Grain Conversion
Understanding the relationship between pounds and grains is essential in several fields:
Reloading Ammunition: Gunpowder is typically measured in grains, while bullet weights might be listed in pounds. Precise conversions are critical for safety and performance.
Jewelry Making: When working with precious metals and gemstones, small weight differences can significantly impact value.
Pharmacology: Some medications, especially in compounding, require extremely precise measurements where grains might be the preferred unit.