Instant · Precise · Universal
47 units available
6 categories total
To mL: multiply by 236.588. To liters: multiply by 0.236588. To UK cups: multiply by 0.832674.
1 US cup = 8 US fl oz = 16 US tbsp = 48 US tsp = 1/2 US pint ≈ 236.588 mL.
For example, 1 Cup (US) (cup (US)) = 2.365882e-13 Cubic Kilometer (km³).
| Cup (US) (cup (US)) | Cubic Kilometer (km³) |
|---|---|
| 0.1 | 2.365882e-14 |
| 0.5 | 1.182941e-13 |
| 1 | 2.365882e-13 |
| 2 | 4.731765e-13 |
| 5 | 1.182941e-12 |
| 10 | 2.365882e-12 |
| 25 | 5.914706e-12 |
| 50 | 1.182941e-11 |
| 100 | 2.365882e-11 |
| 500 | 1.182941e-10 |
| 1000 | 2.365882e-10 |
The US cup is a unit of culinary volume equal to 8 US fluid ounces, or approximately 236.588 milliliters.
1 US cup = 8 US fl oz = 16 US tbsp = 48 US tsp = 1/2 US pint ≈ 236.588 mL.
To mL: multiply by 236.588. To liters: multiply by 0.236588. To UK cups: multiply by 0.832674.
Measuring flour, sugar, milk, water, and other cooking ingredients. Standard in every American cookbok and food label.
The US cup, metric cup (250 mL), and Japanese cup (200 mL) are all different sizes — international recipes can be confusing!
Using a coffee mug as a 'cup' — mugs range from 200–350 mL. Always use a calibrated measuring cup for accuracy.
Key conversions: 1 cup = 16 tbsp = 8 fl oz = 1/2 pint. For metric: 1 cup ≈ 240 mL (close enough for cooking).
The cubic kilometer is a unit of volume equal to a cube one kilometer on each side (10⁹ m³), used for extremely large volumes.
1 km³ = 10⁹ m³ = 10¹² L = 10¹⁵ mL. One cubic mile ≈ 4.168 km³.
To liters: multiply by 10¹². To cubic meters: multiply by 10⁹. To cubic miles: multiply by 0.23990.
Measuring lake volumes (Lake Baikal ≈ 23,615 km³), ice sheet volumes, and major reservoir capacities.
Earth's total ocean volume is about 1.335 billion km³. All human-made reservoirs combined hold only ~8,000 km³.
Underestimating the scale — 1 km³ = 10⁹ m³ = one trillion liters. It is a colossal volume.
Imagine a cube 1 km on each side — it would hold enough water to fill 400,000 Olympic swimming pools.



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