Ounce per Teaspoon (oz/tsp) expresses mass in ounce per unit volume in teaspoon, found by dividing a mass value by a volume value.
Ounce per Teaspoon to Grain per Cup
Convert ounce per teaspoon (oz/tsp) to grain per cup (gr/cup) instantly with formula, conversion table, and FAQ.
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Convert ounce per teaspoon (oz/tsp) to grain per cup (gr/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
gr/cup = oz/tsp × 21000
Results update instantly for Ounce per Teaspoon to Grain per Cup conversions.
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Formula
gr/cup = oz/tsp × 21000
oz/tsp = gr/cup × 4.761905e-5
Conversion table
| 1 oz/tsp | 21000 gr/cup |
| 5 oz/tsp | 105000 gr/cup |
| 10 oz/tsp | 210000 gr/cup |
| 20 oz/tsp | 420000 gr/cup |
| 50 oz/tsp | 1.05e6 gr/cup |
| 100 oz/tsp | 2.1e6 gr/cup |
| 500 oz/tsp | 1.05e7 gr/cup |
| 1000 oz/tsp | 2.1e7 gr/cup |
Related conversions
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How the formula works
Both ounce per teaspoon and grain per cup measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in ounce per teaspoon by 21000 to get grain per cup. To reverse the conversion, multiply a grain per cup value by 4.761905e-5 to get back to ounce per teaspoon.
Frequently asked questions
What is Ounce per Teaspoon (oz/tsp)?
Ounce per Teaspoon (oz/tsp) expresses mass in ounce per unit volume in teaspoon, found by dividing a mass value by a volume value.
What is Grain per Cup (gr/cup)?
Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert ounce per teaspoon to grain per cup?
Multiply the ounce per teaspoon value by 21000 to get the equivalent in grain per cup. For example, 5 oz/tsp × 21000 = 105000 gr/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 21000 is an exact, non-rounded value.
Can I convert grain per cup back to ounce per teaspoon?
Yes. Divide the grain per cup value by 21000, or multiply it by 4.761905e-5, to get ounce per teaspoon.
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About converting ounce per teaspoon to grain per cup
Ounce per Teaspoon (oz/tsp) expresses mass in ounce per unit volume in teaspoon, found by dividing a mass value by a volume value. Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between ounce per teaspoon and grain per cup accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.