Convert Imperial Gallon to Microliter
Convert imperial gallons to microliters instantly. 1 imperial gallon = 4546090 microliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Microliter to Imperial Gallon converter for the reverse conversion.
Units explained
Imperial Gallon
The imperial gallon is defined as exactly 4.54609 liters.
Set by the British Weights and Measures Act of 1824 as the volume of 10 lb of water.
Used for fuel and beverages in the UK and Commonwealth.
UK, 1824.
Microliter
A microliter is one millionth of a liter (10⁻⁹ m³), equal to one cubic millimeter.
Formed with the SI prefix micro- applied to the liter.
Ubiquitous in molecular biology and analytical chemistry pipetting.
Metric prefix system.
Imperial Gallon to Microliter conversion formula
The relationship between imperial gallons and microliters:
To convert imperial gallons to microliters, multiply the value in imperial gallons by 4546090. To reverse, multiply microliters by 2.199692e-7.
How to use this converter
Type a value into the calculator. The result in microliters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Microliter to Imperial Gallon converter for the reverse direction.
Step-by-step: convert imperial gallons to microliters
- Write down the value in imperial gallons (gal).
- Multiply that value by the factor 4546090.
- The product is the equivalent value in microliters (µL).
- To reverse, multiply the microliter value by 2.199692e-7.
Worked examples
Example 1 — Convert 1 gal to µL:
1 × 4546090 = 4546090 µL
Example 2 — Convert 100 gal to µL:
100 × 4546090 = 4.54609e+8 µL
Real-world example — Small-scale to atomic-scale
One imperial gallon equals 10 million microliters — useful for physics curricula that relate everyday measurements to atomic and optical scales.
1 gal × 4546090 = 4546090 µL
Real-world example — Centimeter to wavelength scale
One imperial gallon equals 10 million microliters. Physics curricula use this kind of conversion to relate everyday measurements to atomic and optical scales.
1 gal × 4546090 = 4546090 µL
Imperial Gallon to Microliter conversion table
Standard reference values for converting imperial gallons to microliters:
| Imperial Gallon [gal] | Microliter [µL] |
|---|---|
| 0.01 | 45460.9 |
| 0.1 | 454609 |
| 1 | 4546090 |
| 2 | 9092180 |
| 3 | 1.363827e+7 |
| 4 | 1.818436e+7 |
| 5 | 2.273045e+7 |
| 10 | 4.54609e+7 |
| 20 | 9.09218e+7 |
| 30 | 1.363827e+8 |
| 40 | 1.818436e+8 |
| 50 | 2.273045e+8 |
| 100 | 4.54609e+8 |
| 500 | 2.273045e+9 |
| 1000 | 4.54609e+9 |
Frequently asked questions
How many microliters is 1 imperial gallon?
How do I convert imperial gallons to microliters?
How do I convert microliters back to imperial gallons?
How many microliters is 100 imperial gallons?
Popular volume unit conversions
Convert Imperial Gallon to other volume units
Show all Imperial Gallon conversions
Metric / SI (15 units)
US Customary (Liquid) (15 units)
US Customary (Dry) (5 units)
Imperial (UK) (13 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Sources & references
Conversion factor (1 gal = 4546090 µL) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.