This converter turns US cups into cubic meters instantly, using the exact factor 1 US cup = 0.0002365882365 cubic meters. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
The US legal cup used in recipes: 240 mL, or 236.6 mL by the customary definition. One thousand litres, the SI-derived unit for large volumes like water tanks and gas supply.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
US cups- The amount you are converting, measured in US cups
0.0002365882365- The exact number of cubic meters in one US cup
cubic meters- The converted result
How it works, step by step
- Enter the number of US cups you want to convert.
- The value is multiplied by 0.0002365882365, the exact conversion factor.
- The result is displayed in cubic meters, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 US cups
Multiply 5 by 0.00023658824. That gives 0.001183 cubic meters. A quick sanity check: one US cup is smaller than one cubic meter, so the number should get smaller — and it does.
Converting 72 US cups
72 × 0.00023658824 = 0.017034 cubic meters. Working backwards, 0.017034 ÷ 0.00023658824 returns 72 US cups, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many cubic meters are in one US cup?
Exactly 0.0002365882365. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert US cups to cubic meters?
Cubic Meters = US cups × 0.0002365882365. To reverse it, divide instead: US cups = cubic meters ÷ 0.0002365882365, which is the same as multiplying by 4226.752838.
Is the US cup bigger than the cubic meter?
No. One US cup is only 0.000236588 of a cubic meter, so the cubic meter is the larger unit.
Why does my answer differ slightly from other cups to cubic-meters converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a US cup?
The US legal cup used in recipes: 240 mL, or 236.6 mL by the customary definition.
What is a cubic meter?
One thousand litres, the SI-derived unit for large volumes like water tanks and gas supply.
Us Cups to cubic meters reference table
| Us Cups | Cubic Meters |
|---|---|
| 0.5 cup | 0.000118 m³ |
| 1 cup | 0.000237 m³ |
| 2 cup | 0.000473 m³ |
| 3 cup | 0.00071 m³ |
| 5 cup | 0.001183 m³ |
| 10 cup | 0.002366 m³ |
| 15 cup | 0.003549 m³ |
| 20 cup | 0.004732 m³ |
| 25 cup | 0.005915 m³ |
| 50 cup | 0.011829 m³ |
| 75 cup | 0.017744 m³ |
| 100 cup | 0.023659 m³ |
| 250 cup | 0.059147 m³ |
| 500 cup | 0.118294 m³ |
| 1000 cup | 0.236588 m³ |
Exact factor: 1 US cup = 0.0002365882365 cubic meters. Values rounded for display.