Convert 150 gal to impgal
150 US gallons = 124.901128 imperial gallons
Sumwise · Checked by Theo Abbott · Data: exact arithmetic; unit definitions from NIST SP 811 · Updated · How we check it
How to convert US gallons to imperial gallons
- Formula:
imperial gallons = US gallons × 0.83267418 - Put in the value: 150 US gallons.
- Result: 124.901128 imperial gallons.
US gallons to imperial gallons table
| US gallons | imperial gallons |
|---|---|
| 1 gal | 0.83267418 impgal |
| 2 gal | 1.665348 impgal |
| 5 gal | 4.163371 impgal |
| 10 gal | 8.326742 impgal |
| 20 gal | 16.653484 impgal |
| 50 gal | 41.633709 impgal |
| 100 gal | 83.267418 impgal |
| 150 gal | 124.901128 impgal |
| 500 gal | 416.337092 impgal |
| 1,000 gal | 832.674185 impgal |
Converting the other way: imperial gallons to US gallons
US gallons = imperial gallons × 1.20095. So 124.901128 imperial gallons is back to 150 US gallons; one imperial gallon is 1.20095 US gallons. See the imperial gallons to US gallons table.
Quick estimate in your head
For a rough answer, multiply by about 0.8: 150 × 0.8 ≈ 120 impgal, against the exact 124.901128 impgal (3.9% out). Good enough to check that a calculated result is sensible.
Common mistakes
The usual slip is using the factor the wrong way round. A US gallon is smaller than a imperial gallon, so the number of imperial gallons must come out smaller than the number of US gallons. If your answer goes the other way, divide instead of multiplying.
About the units
US gallon (gal) and imperial gallon (impgal) are both units of volume. One US gallon equals 0.83267418 imperial gallons, and one imperial gallon equals 1.20095 US gallons. Results on this page are rounded for display; the conversion itself uses the exact definitions.
Volume conversions come up in recipes, fuel economy, drink and bottle sizes, garden and pool water, and engine sizes.
150 US gallons in other units
The most readable unit for this amount is imperial gallons (124.901128).
How answers are calculated and checked: methodology.
Questions
How many imperial gallons are in 150 US gallons?
124.901128 imperial gallons.
What is the formula to convert US gallons to imperial gallons?
imperial gallons = US gallons × 0.83267418
How many imperial gallons are in one US gallon?
One US gallon is 0.83267418 imperial gallons, so multiply any number of US gallons by 0.83267418.
Is 150 gal more than 150 impgal?
No. 150 US gallons is 124.901128 imperial gallons, which is less than 150 imperial gallons.
How do I convert US gallons to imperial gallons in a spreadsheet?
Put the number of US gallons in A1 and type =A1*0.83267418 in the next cell. Fill the formula down to convert a whole column.