Mass per volume density.
Troy ounces per Fluid ounce to Stones per Cup Converter — oz t/fl oz to st/cup
Convert Troy ounce per Fluid ounce (oz t/fl oz) to Stone per Cup (st/cup) using the exact conversion factor (1 troy ounce per fluid ounce = 0.0391836735 stone per cup). See the formula, worked examples, and conversion table.
Troy ounces per Fluid ounce to Stones per Cup 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 1051.733671 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Fluid ounce to Stones per Cup
Troy ounce per Fluid ounce and Stone per Cup 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
stones per cup = troy ounces per fluid ounce × 0.0391836734694
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per fluid ounce equals 1051.73367062 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct troy ounce per fluid ounce-to-stone per cup factor of 0.0391836734694.
Simple example
1 oz t/fl oz × 0.03918367347 = 0.0391836735 st/cup
1 troy ounce per fluid ounce = 0.0391836735 stones per cup.
Real-world example
1,000 oz t/fl oz × 0.03918367347 = 39.18367347 st/cup
1,000 troy ounces per fluid ounce = 39.18367347 stones per cup.
Conversion table
| Troy ounce per Fluid ounce (oz t/fl oz) | Stone per Cup (st/cup) |
|---|---|
| 0.1 oz t/fl oz | 0.0039183673 st/cup |
| 1 oz t/fl oz | 0.0391836735 st/cup |
| 10 oz t/fl oz | 0.3918367347 st/cup |
| 100 oz t/fl oz | 3.918367347 st/cup |
| 1,000 oz t/fl oz | 39.18367347 st/cup |
| 10,000 oz t/fl oz | 391.8367347 st/cup |
Reverse conversion: Stone per Cup to Troy ounce per Fluid ounce
0.0391836735 st/cup × 25.52083333 = 1.000000001 oz t/fl oz
0.0391836735 stones per cup = 1.000000001 troy ounces per fluid ounce.
troy ounces per fluid ounce = stones per cup × 25.5208333333
For a page dedicated to this direction, see Stone per Cup to Troy ounce per Fluid ounce.
Understanding the Troy ounce per Fluid ounce (oz t/fl oz)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 troy ounce per fluid ounce?
1 troy ounce per fluid ounce equals 0.0391836735 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per fluid ounce to stone per cup?
Multiply the troy ounce per fluid ounce value by 0.03918367347. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to troy ounce per fluid ounce?
Use the reverse factor: 1 stone per cup equals 25.52083333 troy ounces per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per fluid ounce?
Troy ounce per Fluid ounce (oz t/fl oz) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the troy ounce per fluid ounce to stone per cup conversion exact?
Yes. Both troy ounce per fluid ounce and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.03918367347 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.