100 UK Gallons to US Gallons
100 UK gal ≈ 120.09 gal
100 UK gallons is approximately 120.09 US gallons.
How to convert 100 UK gal to gal
Use the formula gal = UK gal × 1.20094993:
gal = 100 × 1.20094993gal = 120.094993
So 100 UK gal = 120.094993 gal, or about 120.09 gal rounded.
Rounded values and quick estimate
- Rounded to a whole number: 120 gal
- Rounded to one decimal place: 120.1 gal
- Conversion factor: 1 UK gallon = 1.2 US gallons
Quick mental estimate: multiply by 1.2. For 100 UK gal that gives about 120 gal — within 1% of the exact answer. Use the exact formula when precision matters.
100 UK Gallons in other units
- US gallons
- 120.09 gal
- Milliliters
- 454609 ml
- Liters
- 454.61 L
- Teaspoons
- 92232.95 tsp
- Tablespoons
- 30744.32 tbsp
- US fluid ounces
- 15372.16 fl oz
- US cups
- 1921.52 cups
- US pints
- 960.76 pt
- US quarts
- 480.38 qt
- Cubic centimeters
- 454609 cc
- Cubic inches
- 27741.94 cu in
- Cubic feet
- 16.05 cu ft
- Drops
- 9092180 drops
- Oil barrels
- 2.86 bbl
- Cubic meters
- 0.4546 m³
- Cubic yards
- 0.5946 cu yd
100 UK gal and nearby values
| UK gallons | US gallons |
|---|---|
| 96 UK gal | 115.29 gal |
| 97 UK gal | 116.49 gal |
| 98 UK gal | 117.69 gal |
| 99 UK gal | 118.89 gal |
| 100 UK gal | 120.09 gal |
| 101 UK gal | 121.3 gal |
| 102 UK gal | 122.5 gal |
| 103 UK gal | 123.7 gal |
| 104 UK gal | 124.9 gal |
About uk gallons and us gallons
An imperial (UK) gallon is exactly 4.54609 liters — about 20% larger than a US gallon.
A US gallon is 128 US fluid ounces, exactly 3.785411784 liters. (The UK imperial gallon is 4.546 liters.)
Related conversions
Frequently asked questions
What is 100 UK Gallons in US Gallons?
100 UK gallons is about 120.09 US gallons (100 UK gal ≈ 120.09 gal).
How do you convert 100 UK gal to gal?
Apply gal = UK gal × 1.20094993: gal = 100 × 1.20094993, gal = 120.094993.
How many UK gallons is 120.09 gal?
120.09 gal is about 100 UK gallons.