Mass per volume density.
Slugs per Fluid ounce to Stones per Cup Converter — slug/fl oz to st/cup
Convert Slug per Fluid ounce (slug/fl oz) to Stone per Cup (st/cup) using the exact conversion factor (1 slug per fluid ounce = 18.3851706 stone per cup). See the formula, worked examples, and conversion table.
Slugs 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 493478.5652 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Fluid ounce to Stones per Cup
Slug 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 = slugs per fluid ounce × 18.3851706037
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per fluid ounce equals 493478.565227 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct slug per fluid ounce-to-stone per cup factor of 18.3851706037.
Simple example
1 slug/fl oz × 18.3851706 = 18.3851706 st/cup
1 slug per fluid ounce = 18.3851706 stones per cup.
Real-world example
1,000 slug/fl oz × 18.3851706 = 18,385.1706 st/cup
1,000 slugs per fluid ounce = 18,385.1706 stones per cup.
Conversion table
| Slug per Fluid ounce (slug/fl oz) | Stone per Cup (st/cup) |
|---|---|
| 0.1 slug/fl oz | 1.83851706 st/cup |
| 1 slug/fl oz | 18.3851706 st/cup |
| 10 slug/fl oz | 183.851706 st/cup |
| 100 slug/fl oz | 1,838.51706 st/cup |
| 1,000 slug/fl oz | 18,385.1706 st/cup |
| 10,000 slug/fl oz | 183,851.706 st/cup |
Reverse conversion: Stone per Cup to Slug per Fluid ounce
18.3851706 st/cup × 0.0543916628 = 0.9999999998 slug/fl oz
18.3851706 stones per cup = 0.9999999998 slugs per fluid ounce.
slugs per fluid ounce = stones per cup × 0.0543916628003
For a page dedicated to this direction, see Stone per Cup to Slug per Fluid ounce.
Understanding the Slug per Fluid ounce (slug/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 slug per fluid ounce?
1 slug per fluid ounce equals 18.3851706 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert slug per fluid ounce to stone per cup?
Multiply the slug per fluid ounce value by 18.3851706. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to slug per fluid ounce?
Use the reverse factor: 1 stone per cup equals 0.0543916628 slugs per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per fluid ounce?
Slug per Fluid ounce (slug/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 slug per fluid ounce to stone per cup conversion exact?
Yes. Both slug per fluid ounce and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 18.3851706 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.