Imperial Quarts per Hour to US Gallons per Hour
Convert Imperial Quarts per Hour to US Gallons per Hour instantly. Free online flow rate unit converter with exact formula, conversion table and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
Use the converter to see the formula.
Results update instantly for Imperial Quarts per Hour to US Gallons per Hour conversions.
Reserved above the conversion cards and below the converter.
Formula
gal/h = imp qt/h × 0.300237
imp qt/h = gal/h ÷ 0.300237
Conversion table
| 1 imp qt/h | 0.300237 gal/h |
| 5 imp qt/h | 1.50119 gal/h |
| 10 imp qt/h | 3.00237 gal/h |
| 20 imp qt/h | 6.00475 gal/h |
| 50 imp qt/h | 15.0119 gal/h |
| 100 imp qt/h | 30.0237 gal/h |
| 500 imp qt/h | 150.119 gal/h |
| 1000 imp qt/h | 300.237 gal/h |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is imperial quarts per hour (imp qt/h). The Imperial Quart (imp qt) is a unit of volume. The Hour (h) is a unit of time.
What is the destination unit in this conversion?
The destination unit is us gallons per hour (gal/h). The US Gallon (gal) is a unit of volume. The Hour (h) is a unit of time.
How do I convert imperial quarts per hour to us gallons per hour?
Multiply the imperial quarts per hour value by 0.300237 to get us gallons per hour. For example, 10 imp qt/h × 0.300237 = 3.00237 gal/h.
Is the imperial quarts per hour to us gallons per hour conversion exact?
It's exact under the SI-based volume and time definitions used here, since both units convert to cubic meters per second through fixed, non-rounded factors.
Where is this conversion commonly used?
Flow rate conversions like this are used in plumbing, HVAC, irrigation, chemical processing, fuel and water metering, and engineering flow calculations.
Can I convert us gallons per hour back to imperial quarts per hour?
Yes. Divide the us gallons per hour value by 0.300237 (or multiply by 3.3307) to get imperial quarts per hour.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts imperial quarts per hour (imp qt/h) into us gallons per hour (gal/h), two units of volumetric flow rate.
The Imperial Quart (imp qt) is a unit of volume. The Hour (h) is a unit of time.
The US Gallon (gal) is a unit of volume. The Hour (h) is a unit of time.
The formula is gal/h = imp qt/h × 0.300237, based on the fixed relationship between these two flow rate units.
Flow rate is calculated as a volume unit divided by a time unit, so every combination of a volume unit and a time unit forms a valid, exact flow rate unit.