Volume · Unit Converter

Convert US Gallon to Picoliter

Convert us gallons to picoliters instantly. 1 us gallon = 3.785412e+12 picoliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Picoliter to US Gallon converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Jaya Christiyan K G, Ph.D.
Volume category 2 min read Published Last reviewed Updated

Units explained

US Customary (Liquid)

US Gallon

What is a us gallon?

The US liquid gallon is defined as exactly 231 cubic inches (3.785411784 liters).

Origin of the us gallon

Based on the English wine gallon of 231 cubic inches, retained by the US after 1824.

Where it is used

The primary US unit for fuel, milk and large beverage containers.

When and where it was developed

English wine gallon; US since 1824.

Metric / SI

Picoliter

What is a picoliter?

A picoliter is 10⁻¹² liter (10⁻¹⁵ m³).

Origin of the picoliter

Formed with the SI prefix pico- applied to the liter.

Where it is used

Encountered in inkjet droplet sizing and cellular biology.

When and where it was developed

Metric prefix system.

US Gallon to Picoliter conversion formula

The relationship between us gallons and picoliters:

1 gal = 3.785412e+12 pL
1 pL = 2.641721e-13 gal

To convert us gallons to picoliters, multiply the value in us gallons by 3.785412e+12. To reverse, multiply picoliters by 2.641721e-13.

How to use this converter

Type a value into the calculator. The result in picoliters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Picoliter to US Gallon converter for the reverse direction.

Step-by-step: convert us gallons to picoliters

  1. Write down the value in us gallons (gal).
  2. Multiply that value by the factor 3.785412e+12.
  3. The product is the equivalent value in picoliters (pL).
  4. To reverse, multiply the picoliter value by 2.641721e-13.

Worked examples

Example 1 — Convert 1 gal to pL:
1 × 3.785412e+12 = 3.785412e+12 pL

Example 2 — Convert 100 gal to pL:
100 × 3.785412e+12 = 3.785412e+14 pL

Real-world example — Small-scale to atomic-scale

One us gallon equals 10 million picoliters — useful for physics curricula that relate everyday measurements to atomic and optical scales.

1 gal × 3.785412e+12 = 3.785412e+12 pL

Real-world example — Centimeter to wavelength scale

One us gallon equals 10 million picoliters. Physics curricula use this kind of conversion to relate everyday measurements to atomic and optical scales.

1 gal × 3.785412e+12 = 3.785412e+12 pL

US Gallon to Picoliter conversion table

Standard reference values for converting us gallons to picoliters:

US Gallon [gal]Picoliter [pL]
0.013.785412e+10
0.13.785412e+11
13.785412e+12
27.570824e+12
31.135624e+13
41.514165e+13
51.892706e+13
103.785412e+13
207.570824e+13
301.135624e+14
401.514165e+14
501.892706e+14
1003.785412e+14
5001.892706e+15
10003.785412e+15

Frequently asked questions

How many picoliters is 1 us gallon?
1 us gallon equals 3.785412e+12 picoliter.
How do I convert us gallons to picoliters?
Multiply the value in us gallons by 3.785412e+12 to get picoliters.
How do I convert picoliters back to us gallons?
Multiply the value in picoliters by 2.641721e-13, or use the Picoliter to US Gallon converter.
How many picoliters is 100 us gallons?
100 us gallons equals 3.785412e+14 picoliters, because 100 × 3.785412e+12 = 3.785412e+14.

Convert US Gallon to other volume units

Show all US Gallon conversions
Metric / SI (15 units)
US Customary (Liquid) (14 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Industrial / Specialized (6 units)

Sources & references

Conversion factor (1 gal = 3.785412e+12 pL) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.