Mass per volume density.
Ounces per Tablespoon to Stones per Cup Converter — oz/tbsp to st/cup
Convert Ounce per Tablespoon (oz/tbsp) to Stone per Cup (st/cup) using the exact conversion factor (1 ounce per tablespoon = 0.0714285714 stone per cup). See the formula, worked examples, and conversion table.
Ounces per Tablespoon to Stones per Cup converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 1917.222837 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Tablespoon to Stones per Cup
Ounce per Tablespoon 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 = ounces per tablespoon × 0.0714285714286
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per tablespoon equals 1917.22283707 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct ounce per tablespoon-to-stone per cup factor of 0.0714285714286.
Simple example
1 oz/tbsp × 0.07142857143 = 0.0714285714 st/cup
1 ounce per tablespoon = 0.0714285714 stones per cup.
Real-world example
1,000 oz/tbsp × 0.07142857143 = 71.42857143 st/cup
1,000 ounces per tablespoon = 71.42857143 stones per cup.
Conversion table
| Ounce per Tablespoon (oz/tbsp) | Stone per Cup (st/cup) |
|---|---|
| 0.1 oz/tbsp | 0.0071428571 st/cup |
| 1 oz/tbsp | 0.0714285714 st/cup |
| 10 oz/tbsp | 0.7142857143 st/cup |
| 100 oz/tbsp | 7.142857143 st/cup |
| 1,000 oz/tbsp | 71.42857143 st/cup |
| 10,000 oz/tbsp | 714.2857143 st/cup |
Reverse conversion: Stone per Cup to Ounce per Tablespoon
0.0714285714 st/cup × 14 = 0.9999999996 oz/tbsp
0.0714285714 stones per cup = 0.9999999996 ounces per tablespoon.
ounces per tablespoon = stones per cup × 14
For a page dedicated to this direction, see Stone per Cup to Ounce per Tablespoon.
Understanding the Ounce per Tablespoon (oz/tbsp)
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 ounce per tablespoon?
1 ounce per tablespoon equals 0.0714285714 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per tablespoon to stone per cup?
Multiply the ounce per tablespoon value by 0.07142857143. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to ounce per tablespoon?
Use the reverse factor: 1 stone per cup equals 14 ounces per tablespoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per tablespoon?
Ounce per Tablespoon (oz/tbsp) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the ounce per tablespoon to stone per cup conversion exact?
Yes. Both ounce per tablespoon and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.07142857143 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.