Direct conversion
Convert cup (US) [cup US] to acre-foot [ac ft] instantly with formula, examples, chart, and FAQs.
1 cup (US) [cup US] = 1.918052E-7 acre-foot [ac ft]
1 cup (US) [cup US] = 1.918052E-7 acre-foot [ac ft]
Example: 1 cup (US) [cup US] equals 1.918052E-7 acre-foot [ac ft].
Volume conversions use cubic metre as the reference unit. US liquid units, metric litres, and cubic units are converted with fixed factors stored in the unit table.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The US cup is a cooking volume unit equal to 236.5882365 milliliters.
HistoryCup measures developed from household cooking measures and were standardized for recipes.
Current useUS cups are used in recipes, nutrition labels, baking, meal preparation, and kitchen measuring tools.
The acre-foot (ac ft) is a volume unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse acre-foot when comparing volume values, checking specifications, converting between systems, or preparing quick estimates.
| cup (US) [cup US] | acre-foot [ac ft] |
|---|---|
| 1 | 1.918052E-7 |
| 2 | 3.836104E-7 |
| 5 | 9.59026E-7 |
| 10 | 0.000002 |
| 20 | 0.000004 |
| 25 | 0.000005 |
| 50 | 0.00001 |
| 100 | 0.000019 |
| 1000 | 0.000192 |
Use this formula: 1 cup (US) [cup US] = 1.918052E-7 acre-foot [ac ft] Enter your value in the calculator and the result updates instantly.
1 cup (US) [cup US] equals 1.918052E-7 acre-foot [ac ft].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.