---
title: "Cubic inches to US cups — in³ to cup converter"
description: "1 cubic inch = 0.069264 US cups. Convert cubic inches to US cups with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/cubic-inches-to-cups/
site: "At One Place"
---

# Cubic inches to US cups

**1 cubic inch in US cups: 1 in³ = 0.069264 cup**

cup = in³ × 0.06926406926

To convert cubic inches to US cups, multiply by 0.06926406926. The table below gives the values people look up most often, and the converter works for any number.

## Cubic inches to US cups table

*Common cubic inch values converted to US cups.*

| Cubic inches | US cups |
| --- | --- |
| 1 in³ | 0.069264 |
| 2 in³ | 0.13853 |
| 3 in³ | 0.20779 |
| 4 in³ | 0.27706 |
| 5 in³ | 0.34632 |
| 10 in³ | 0.69264 |
| 15 in³ | 1.038961 |
| 20 in³ | 1.385281 |
| 25 in³ | 1.731602 |
| 30 in³ | 2.077922 |
| 40 in³ | 2.770563 |
| 50 in³ | 3.463203 |
| 75 in³ | 5.194805 |
| 100 in³ | 6.926407 |
| 250 in³ | 17.31602 |
| 500 in³ | 34.63203 |
| 1,000 in³ | 69.26407 |

## How the conversion works

The relationship is cup = in³ × 0.06926406926. 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 US cups are in one cubic inch?

One cubic inch equals 0.069264 US cups. cup = in³ × 0.06926406926.

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

Use cup = in³ × 0.06926406926. So 10 in³ is 0.69264 cup.

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

One US cup equals 14.4375 cubic inches, 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

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