---
title: "Imperial gallons to US quarts — imp gal to qt converter"
description: "1 imperial gallon = 4.8038 US quarts. Convert imperial gallons to US quarts with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/imperial-gallons-to-quarts/
site: "At One Place"
---

# Imperial gallons to US quarts

**1 imperial gallon in US quarts: 1 imp gal = 4.8038 qt**

qt = imp gal × 4.803799702

To convert imperial gallons to US quarts, multiply by 4.803799702. The table below gives the values people look up most often, and the converter works for any number.

## Imperial gallons to US quarts table

*Common imperial gallon values converted to US quarts.*

| Imperial gallons | US quarts |
| --- | --- |
| 1 imp gal | 4.8038 |
| 2 imp gal | 9.607599 |
| 3 imp gal | 14.4114 |
| 4 imp gal | 19.2152 |
| 5 imp gal | 24.019 |
| 10 imp gal | 48.038 |
| 15 imp gal | 72.057 |
| 20 imp gal | 96.07599 |
| 25 imp gal | 120.095 |
| 30 imp gal | 144.114 |
| 40 imp gal | 192.152 |
| 50 imp gal | 240.19 |
| 75 imp gal | 360.285 |
| 100 imp gal | 480.38 |
| 250 imp gal | 1,200.9499 |
| 500 imp gal | 2,401.8999 |
| 1,000 imp gal | 4,803.7997 |

## How the conversion works

The relationship is qt = imp gal × 4.803799702. Both units measure volume, so the conversion is a fixed factor that never changes.

> Imperial gallon: UK gallon.

## Common questions

### How many US quarts are in one imperial gallon?

One imperial gallon equals 4.8038 US quarts. qt = imp gal × 4.803799702.

### How do you convert imperial gallons to US quarts?

Use qt = imp gal × 4.803799702. So 10 imp gal is 48.038 qt.

### How many imperial gallons are in one US quart?

One US quart equals 0.20817 imperial gallons, which is the reverse of the conversion above.

### Is there more than one kind of imperial gallon?

UK gallon.

## Related pages

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