Mass per volume density.
Pounds per Fluid ounce to Long tons per Cup Converter — lb/fl oz to long ton/cup
Convert Pound per Fluid ounce (lb/fl oz) to Long ton per Cup (long ton/cup) using the exact conversion factor (1 pound per fluid ounce = 0.0035714286 long ton per cup). See the formula, worked examples, and conversion table.
Pounds per Fluid ounce to Long tons 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 15337.7827 / 4.29457916e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Fluid ounce to Long tons per Cup
Pound per Fluid ounce and Long ton 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
long tons per cup = pounds per fluid ounce × 0.00357142857143
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per fluid ounce equals 15337.7826966 base units, and 1 long ton per cup equals 4294579.15504 base units, so dividing one by the other gives the direct pound per fluid ounce-to-long ton per cup factor of 0.00357142857143.
Simple example
1 lb/fl oz × 0.003571428571 = 0.0035714286 long ton/cup
1 pound per fluid ounce = 0.0035714286 long tons per cup.
Real-world example
1,000 lb/fl oz × 0.003571428571 = 3.571428571 long ton/cup
1,000 pounds per fluid ounce = 3.571428571 long tons per cup.
Conversion table
| Pound per Fluid ounce (lb/fl oz) | Long ton per Cup (long ton/cup) |
|---|---|
| 0.1 lb/fl oz | 0.0003571429 long ton/cup |
| 1 lb/fl oz | 0.0035714286 long ton/cup |
| 10 lb/fl oz | 0.0357142857 long ton/cup |
| 100 lb/fl oz | 0.3571428571 long ton/cup |
| 1,000 lb/fl oz | 3.571428571 long ton/cup |
| 10,000 lb/fl oz | 35.71428571 long ton/cup |
Reverse conversion: Long ton per Cup to Pound per Fluid ounce
0.0035714286 long ton/cup × 280 = 1.000000008 lb/fl oz
0.0035714286 long tons per cup = 1.000000008 pounds per fluid ounce.
pounds per fluid ounce = long tons per cup × 280
For a page dedicated to this direction, see Long ton per Cup to Pound per Fluid ounce.
Understanding the Pound per Fluid ounce (lb/fl oz)
Mass per volume density.
Understanding the Long ton per Cup (long ton/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per cup are in 1 pound per fluid ounce?
1 pound per fluid ounce equals 0.0035714286 long tons per cup, using the exact defined conversion factor rather than an estimate.
How do I convert pound per fluid ounce to long ton per cup?
Multiply the pound per fluid ounce value by 0.003571428571. The converter above does this instantly to whatever precision you set.
How do I convert long ton per cup back to pound per fluid ounce?
Use the reverse factor: 1 long ton per cup equals 280 pounds per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per fluid ounce?
Pound per Fluid ounce (lb/fl oz) is a unit of density.
What is a long ton per cup?
Long ton per Cup (long ton/cup) is a unit of density.
Is the pound per fluid ounce to long ton per cup conversion exact?
Yes. Both pound per fluid ounce and long ton per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.003571428571 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.