Mass per volume density.
Pounds per Cup to Ounces per Teaspoon Converter — lb/cup to oz/tsp
Convert Pound per Cup (lb/cup) to Ounce per Teaspoon (oz/tsp) using the exact conversion factor (1 pound per cup = 0.3333333333 ounce per teaspoon). See the formula, worked examples, and conversion table.
Pounds per Cup to Ounces 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 1917.222837 / 5751.668511.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cup to Ounces per Teaspoon
Pound per Cup and Ounce 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
ounces per teaspoon = pounds per cup × 0.333333333333
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cup equals 1917.22283707 base units, and 1 ounce per teaspoon equals 5751.66851121 base units, so dividing one by the other gives the direct pound per cup-to-ounce per teaspoon factor of 0.333333333333.
Simple example
1 lb/cup × 0.3333333333 = 0.3333333333 oz/tsp
1 pound per cup = 0.3333333333 ounces per teaspoon.
Real-world example
1,000 lb/cup × 0.3333333333 = 333.3333333 oz/tsp
1,000 pounds per cup = 333.3333333 ounces per teaspoon.
Conversion table
| Pound per Cup (lb/cup) | Ounce per Teaspoon (oz/tsp) |
|---|---|
| 0.1 lb/cup | 0.0333333333 oz/tsp |
| 1 lb/cup | 0.3333333333 oz/tsp |
| 10 lb/cup | 3.333333333 oz/tsp |
| 100 lb/cup | 33.33333333 oz/tsp |
| 1,000 lb/cup | 333.3333333 oz/tsp |
| 10,000 lb/cup | 3,333.333333 oz/tsp |
Reverse conversion: Ounce per Teaspoon to Pound per Cup
0.3333333333 oz/tsp × 3 = 0.9999999999 lb/cup
0.3333333333 ounces per teaspoon = 0.9999999999 pounds per cup.
pounds per cup = ounces per teaspoon × 3
For a page dedicated to this direction, see Ounce per Teaspoon to Pound per Cup.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Understanding the Ounce per Teaspoon (oz/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per teaspoon are in 1 pound per cup?
1 pound per cup equals 0.3333333333 ounces per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cup to ounce per teaspoon?
Multiply the pound per cup value by 0.3333333333. The converter above does this instantly to whatever precision you set.
How do I convert ounce per teaspoon back to pound per cup?
Use the reverse factor: 1 ounce per teaspoon equals 3 pounds per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cup?
Pound per Cup (lb/cup) is a unit of density.
What is a ounce per teaspoon?
Ounce per Teaspoon (oz/tsp) is a unit of density.
Is the pound per cup to ounce per teaspoon conversion exact?
Yes. Both pound per cup and ounce per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.3333333333 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.