Mass per volume density.
Grams per Fluid ounce to Grains per Teaspoon Converter — g/fl oz to gr/tsp
Convert Gram per Fluid ounce (g/fl oz) to Grain per Teaspoon (gr/tsp) using the exact conversion factor (1 gram per fluid ounce = 2.572059725 grain per teaspoon). See the formula, worked examples, and conversion table.
Grams 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 33.8140227 / 13.14667088.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Fluid ounce to Grains per Teaspoon
Gram 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 = grams per fluid ounce × 2.57205972549
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per fluid ounce equals 33.8140227018 base units, and 1 grain per teaspoon equals 13.1466708828 base units, so dividing one by the other gives the direct gram per fluid ounce-to-grain per teaspoon factor of 2.57205972549.
Simple example
1 g/fl oz × 2.572059725 = 2.572059725 gr/tsp
1 gram per fluid ounce = 2.572059725 grains per teaspoon.
Real-world example
1,000 g/fl oz × 2.572059725 = 2,572.059725 gr/tsp
1,000 grams per fluid ounce = 2,572.059725 grains per teaspoon.
Conversion table
| Gram per Fluid ounce (g/fl oz) | Grain per Teaspoon (gr/tsp) |
|---|---|
| 0.1 g/fl oz | 0.2572059725 gr/tsp |
| 1 g/fl oz | 2.572059725 gr/tsp |
| 10 g/fl oz | 25.72059725 gr/tsp |
| 100 g/fl oz | 257.2059725 gr/tsp |
| 1,000 g/fl oz | 2,572.059725 gr/tsp |
| 10,000 g/fl oz | 25,720.59725 gr/tsp |
Reverse conversion: Grain per Teaspoon to Gram per Fluid ounce
2.572059725 gr/tsp × 0.38879346 = 0.9999999998 g/fl oz
2.572059725 grains per teaspoon = 0.9999999998 grams per fluid ounce.
grams per fluid ounce = grains per teaspoon × 0.38879346
For a page dedicated to this direction, see Grain per Teaspoon to Gram per Fluid ounce.
Understanding the Gram per Fluid ounce (g/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 gram per fluid ounce?
1 gram per fluid ounce equals 2.572059725 grains per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per fluid ounce to grain per teaspoon?
Multiply the gram per fluid ounce value by 2.572059725. The converter above does this instantly to whatever precision you set.
How do I convert grain per teaspoon back to gram per fluid ounce?
Use the reverse factor: 1 grain per teaspoon equals 0.38879346 grams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per fluid ounce?
Gram per Fluid ounce (g/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 gram per fluid ounce to grain per teaspoon conversion exact?
Yes. Both gram per fluid ounce and grain per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 2.572059725 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.