Mass per volume density.
Grams per Tablespoon to Drams per Cup Converter — g/tbsp to dr/cup
Convert Gram per Tablespoon (g/tbsp) to Dram per Cup (dr/cup) using the exact conversion factor (1 gram per tablespoon = 9.030134259 dram per cup). See the formula, worked examples, and conversion table.
Grams per Tablespoon to Drams 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 67.6280454 / 7.489151707.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Tablespoon to Drams per Cup
Gram per Tablespoon and Dram 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
drams per cup = grams per tablespoon × 9.03013425909
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per tablespoon equals 67.6280454037 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct gram per tablespoon-to-dram per cup factor of 9.03013425909.
Simple example
1 g/tbsp × 9.030134259 = 9.030134259 dr/cup
1 gram per tablespoon = 9.030134259 drams per cup.
Real-world example
1,000 g/tbsp × 9.030134259 = 9,030.134259 dr/cup
1,000 grams per tablespoon = 9,030.134259 drams per cup.
Conversion table
| Gram per Tablespoon (g/tbsp) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 g/tbsp | 0.9030134259 dr/cup |
| 1 g/tbsp | 9.030134259 dr/cup |
| 10 g/tbsp | 90.30134259 dr/cup |
| 100 g/tbsp | 903.0134259 dr/cup |
| 1,000 g/tbsp | 9,030.134259 dr/cup |
| 10,000 g/tbsp | 90,301.34259 dr/cup |
Reverse conversion: Dram per Cup to Gram per Tablespoon
9.030134259 dr/cup × 0.1107403247 = 1 g/tbsp
9.030134259 drams per cup = 1 grams per tablespoon.
grams per tablespoon = drams per cup × 0.110740324707
For a page dedicated to this direction, see Dram per Cup to Gram per Tablespoon.
Understanding the Gram per Tablespoon (g/tbsp)
Mass per volume density.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cup are in 1 gram per tablespoon?
1 gram per tablespoon equals 9.030134259 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert gram per tablespoon to dram per cup?
Multiply the gram per tablespoon value by 9.030134259. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to gram per tablespoon?
Use the reverse factor: 1 dram per cup equals 0.1107403247 grams per tablespoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per tablespoon?
Gram per Tablespoon (g/tbsp) is a unit of density.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
Is the gram per tablespoon to dram per cup conversion exact?
Yes. Both gram per tablespoon and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 9.030134259 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.