Cup (US) to Quart (US)
1 cup = 0.25 qt
Convert Cup (US) (cup) to Quart (US) (qt) with engineering-grade precision. Instant results, formula, and reference table below.
1 Cup (US) ≈0.25 Quart (US)
How to convert Cup (US) to Quart (US) (cup to qt)
Converting Cup (US)s to Quart (US)s is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 cup = 0.250000 qt
Calculation Example
Let's say you want to convert 5 cup to qt:
- Input: 5 cup
- Calculation: 5 × 0.250000
- Result: 1.2500 qt
About the Cup (US) to Quart (US) conversion
The conversion factor from Cup (US) (cup) to Quart (US) (qt) is 0.25, meaning 1 cup = 0.25 qt and inversely 1 qt = 4 cup. That makes the Quart (US) the larger of the two units in the volume category, where the SI base unit is the liter. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Quart (US) to Cup (US) converter.
Frequently Asked Questions
How do I convert Cup (US) to Quart (US)?
To convert Cup (US) to Quart (US), you need to multiply the cup value by 0.250000.
What is the formula for cup to qt?
The simple formula is: qt = cup × 0.250000.
Which is bigger: Cup (US) or Quart (US)?
A Quart (US) is bigger. One Quart (US) is equal to approx 4.0000 Cup (US)s.
How many Cup (US)s are in one Quart (US)?
There are approximately 4.00000 Cup (US)s in one Quart (US).
Quick Conversion Table
| cup | qt |
|---|---|
| 1 | 0.2500 |
| 5 | 1.2500 |
| 10 | 2.5000 |
| 20 | 5.0000 |
| 50 | 12.5000 |
| 100 | 25.0000 |