---
title: "US cups to Cubic inches — cup to in³ converter"
description: "1 US cup = 14.4375 cubic inches. Convert US cups to cubic inches with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/cups-to-cubic-inches/
site: "At One Place"
---

# US cups to cubic inches

**1 US cup in cubic inches: 1 cup = 14.4375 in³**

in³ = cup × 14.4375

To convert US cups to cubic inches, multiply by 14.4375. The table below gives the values people look up most often, and the converter works for any number.

## US cups to cubic inches table

*Common US cup values converted to cubic inches.*

| US cups | Cubic inches |
| --- | --- |
| 1 cup | 14.4375 |
| 2 cup | 28.875 |
| 3 cup | 43.3125 |
| 4 cup | 57.75 |
| 5 cup | 72.1875 |
| 10 cup | 144.375 |
| 15 cup | 216.5625 |
| 20 cup | 288.75 |
| 25 cup | 360.9375 |
| 30 cup | 433.125 |
| 40 cup | 577.5 |
| 50 cup | 721.875 |
| 75 cup | 1,082.8125 |
| 100 cup | 1,443.75 |
| 250 cup | 3,609.375 |
| 500 cup | 7,218.75 |
| 1,000 cup | 14,437.5 |

## How the conversion works

The relationship is in³ = cup × 14.4375. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

> US cup: US legal cup is 240 mL; the customary cup used here is 236.588 mL.

## Common questions

### How many cubic inches are in one US cup?

One US cup equals 14.4375 cubic inches. in³ = cup × 14.4375.

### How do you convert US cups to cubic inches?

Use in³ = cup × 14.4375. So 10 cup is 144.375 in³.

### How many US cups are in one cubic inch?

One cubic inch equals 0.069264 US cups, which is the reverse of the conversion above.

### Is there more than one kind of US cup?

US legal cup is 240 mL; the customary cup used here is 236.588 mL.

## Related pages

- [Cubic inches to US cups](https://atoneplace.net/convert/cubic-inches-to-cups/)
- [US cups to Liters](https://atoneplace.net/convert/cups-to-liters/)
- [US cups to Milliliters](https://atoneplace.net/convert/cups-to-ml/)
- [US cups to Cubic meters](https://atoneplace.net/convert/cups-to-cubic-meters/)
- [US cups to US gallons](https://atoneplace.net/convert/cups-to-gallons/)
- [US cups to US quarts](https://atoneplace.net/convert/cups-to-quarts/)
- [US cups to US pints](https://atoneplace.net/convert/cups-to-pints/)
- [US cups to US fluid ounces](https://atoneplace.net/convert/cups-to-fl-oz/)
- [US cups to Tablespoons](https://atoneplace.net/convert/cups-to-tablespoons/)
- [US cups to Teaspoons](https://atoneplace.net/convert/cups-to-teaspoons/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)