Mass per volume density.
Pounds per Fluid ounce to Grains per Teaspoon Converter — lb/fl oz to gr/tsp
Convert Pound per Fluid ounce (lb/fl oz) to Grain per Teaspoon (gr/tsp) using the exact conversion factor (1 pound per fluid ounce = 1,166.666667 grain per teaspoon). See the formula, worked examples, and conversion table.
Pounds per Fluid ounce to Grains per Teaspoon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 15337.7827 / 13.14667088.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Fluid ounce to Grains per Teaspoon
Pound per Fluid ounce and Grain per Teaspoon both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
grains per teaspoon = pounds per fluid ounce × 1166.66666667
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per fluid ounce equals 15337.7826966 base units, and 1 grain per teaspoon equals 13.1466708828 base units, so dividing one by the other gives the direct pound per fluid ounce-to-grain per teaspoon factor of 1166.66666667.
Simple example
1 lb/fl oz × 1166.666667 = 1,166.666667 gr/tsp
1 pound per fluid ounce = 1,166.666667 grains per teaspoon.
Real-world example
1,000 lb/fl oz × 1166.666667 = 1,166,666.667 gr/tsp
1,000 pounds per fluid ounce = 1,166,666.667 grains per teaspoon.
Conversion table
| Pound per Fluid ounce (lb/fl oz) | Grain per Teaspoon (gr/tsp) |
|---|---|
| 0.1 lb/fl oz | 116.6666667 gr/tsp |
| 1 lb/fl oz | 1,166.666667 gr/tsp |
| 10 lb/fl oz | 11,666.66667 gr/tsp |
| 100 lb/fl oz | 116,666.6667 gr/tsp |
| 1,000 lb/fl oz | 1,166,666.667 gr/tsp |
| 10,000 lb/fl oz | 11,666,666.67 gr/tsp |
Reverse conversion: Grain per Teaspoon to Pound per Fluid ounce
1 gr/tsp × 0.0008571428571 = 0.0008571429 lb/fl oz
1 grain per teaspoon = 0.0008571429 pounds per fluid ounce.
pounds per fluid ounce = grains per teaspoon × 0.000857142857143
For a page dedicated to this direction, see Grain per Teaspoon to Pound per Fluid ounce.
Understanding the Pound per Fluid ounce (lb/fl oz)
Mass per volume density.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per teaspoon are in 1 pound per fluid ounce?
1 pound per fluid ounce equals 1,166.666667 grains per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per fluid ounce to grain per teaspoon?
Multiply the pound per fluid ounce value by 1166.666667. The converter above does this instantly to whatever precision you set.
How do I convert grain per teaspoon back to pound per fluid ounce?
Use the reverse factor: 1 grain per teaspoon equals 0.0008571429 pounds per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per fluid ounce?
Pound per Fluid ounce (lb/fl oz) is a unit of density.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
Is the pound per fluid ounce to grain per teaspoon conversion exact?
Yes. Both pound per fluid ounce and grain per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 1166.666667 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.