Mass per volume density.
Grains per Fluid ounce to Carats per Teaspoon Converter — gr/fl oz to ct/tsp
Convert Grain per Fluid ounce (gr/fl oz) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 grain per fluid ounce = 0.0539990917 carat per teaspoon). See the formula, worked examples, and conversion table.
Grains per Fluid ounce to Carats 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 2.191111814 / 40.57682724.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Fluid ounce to Carats per Teaspoon
Grain per Fluid ounce and Carat 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
carats per teaspoon = grains per fluid ounce × 0.0539990916667
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per fluid ounce equals 2.19111181379 base units, and 1 carat per teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct grain per fluid ounce-to-carat per teaspoon factor of 0.0539990916667.
Simple example
1 gr/fl oz × 0.05399909167 = 0.0539990917 ct/tsp
1 grain per fluid ounce = 0.0539990917 carats per teaspoon.
Real-world example
1,000 gr/fl oz × 0.05399909167 = 53.99909167 ct/tsp
1,000 grains per fluid ounce = 53.99909167 carats per teaspoon.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 gr/fl oz | 0.0053999092 ct/tsp |
| 1 gr/fl oz | 0.0539990917 ct/tsp |
| 10 gr/fl oz | 0.5399909167 ct/tsp |
| 100 gr/fl oz | 5.399909167 ct/tsp |
| 1,000 gr/fl oz | 53.99909167 ct/tsp |
| 10,000 gr/fl oz | 539.9909167 ct/tsp |
Reverse conversion: Carat per Teaspoon to Grain per Fluid ounce
0.0539990917 ct/tsp × 18.51883002 = 1.000000001 gr/fl oz
0.0539990917 carats per teaspoon = 1.000000001 grains per fluid ounce.
grains per fluid ounce = carats per teaspoon × 18.5188300235
For a page dedicated to this direction, see Carat per Teaspoon to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Understanding the Carat per Teaspoon (ct/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per teaspoon are in 1 grain per fluid ounce?
1 grain per fluid ounce equals 0.0539990917 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to carat per teaspoon?
Multiply the grain per fluid ounce value by 0.05399909167. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to grain per fluid ounce?
Use the reverse factor: 1 carat per teaspoon equals 18.51883002 grains per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
What is a carat per teaspoon?
Carat per Teaspoon (ct/tsp) is a unit of density.
Is the grain per fluid ounce to carat per teaspoon conversion exact?
Yes. Both grain per fluid ounce and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.05399909167 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.