Mass per volume density.
Micrograms per Pint to Grains per Cup Converter — ug/pt to gr/cup
Convert Microgram per Pint (ug/pt) to Grain per Cup (gr/cup) using the exact conversion factor (1 microgram per pint = 0.0000077162 grain per cup). See the formula, worked examples, and conversion table.
Micrograms per Pint to Grains 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 2.11337642e-6 / 0.2738889767.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Pint to Grains per Cup
Microgram per Pint and Grain 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
grains per cup = micrograms per pint × 0.00000771617917647
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per pint equals 0.00000211337641887 base units, and 1 grain per cup equals 0.273888976724 base units, so dividing one by the other gives the direct microgram per pint-to-grain per cup factor of 0.00000771617917647.
Simple example
1 ug/pt × 0.000007716179176 = 0.0000077162 gr/cup
1 microgram per pint = 0.0000077162 grains per cup.
Real-world example
1,000 ug/pt × 0.000007716179176 = 0.0077161792 gr/cup
1,000 micrograms per pint = 0.0077161792 grains per cup.
Conversion table
| Microgram per Pint (ug/pt) | Grain per Cup (gr/cup) |
|---|---|
| 0.1 ug/pt | 7.716179e-7 gr/cup |
| 1 ug/pt | 0.0000077162 gr/cup |
| 10 ug/pt | 0.0000771618 gr/cup |
| 100 ug/pt | 0.0007716179 gr/cup |
| 1,000 ug/pt | 0.0077161792 gr/cup |
| 10,000 ug/pt | 0.0771617918 gr/cup |
Reverse conversion: Grain per Cup to Microgram per Pint
0.0000077162 gr/cup × 129597.82 = 1.000002699 ug/pt
0.0000077162 grains per cup = 1.000002699 micrograms per pint.
micrograms per pint = grains per cup × 129597.82
For a page dedicated to this direction, see Grain per Cup to Microgram per Pint.
Understanding the Microgram per Pint (ug/pt)
Mass per volume density.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cup are in 1 microgram per pint?
1 microgram per pint equals 0.0000077162 grains per cup, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per pint to grain per cup?
Multiply the microgram per pint value by 0.000007716179176. The converter above does this instantly to whatever precision you set.
How do I convert grain per cup back to microgram per pint?
Use the reverse factor: 1 grain per cup equals 129,597.82 micrograms per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per pint?
Microgram per Pint (ug/pt) is a unit of density.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
Is the microgram per pint to grain per cup conversion exact?
Yes. Both microgram per pint and grain per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000007716179176 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.