Cost Per Gallon Calculator

Calculate the price per gallon for fuel, water, chemicals, or any liquid. Compare prices across different vendors easily.

Pricing Calculator:

Find the true cost per gallon for any liquid purchase. Perfect for fuel buyers, farmers, and bulk liquid purchasers.

Cost Per Gallon Calculator

Mode

Total amount paid

Total volume purchased

Calculation Results

Enter total cost and volume

then click "Calculate" for price per gallon

Cost Per Gallon Calculator

When buying fuel, water, chemicals, or any liquid in bulk, knowing the cost per gallon helps you compare prices accurately. Instead of doing mental math or rough estimates, a Cost Per Gallon Calculator gives you instant and precise results.

The Formula

The calculation is straightforward:

Basic Formula
Cost Per Gallon = Total Cost ÷ Total Gallons

If your volume is measured in liters, convert it first:

Conversion
1 US Gallon = 3.78541 Liters

Example Calculation

Given:
Total Cost = $150
Total Volume = 50 gallons

Calculation:
Cost Per Gallon = 150 ÷ 50 = $3.00 per gallon

Cost Per Gallon Conversion Table

The table below shows various cost per gallon calculations:

Total Cost Volume (Gallons) Cost Per Gallon
$50 10 $5.00
$75 25 $3.00
$100 40 $2.50
$120 40 $3.00
$150 50 $3.00
$200 80 $2.50
$250 100 $2.50
$300 75 $4.00
$350 100 $3.50
$400 160 $2.50
$450 150 $3.00
$500 150 $3.33
$550 200 $2.75
$600 200 $3.00
$750 250 $3.00
$800 320 $2.50
$900 300 $3.00
$1000 400 $2.50
$1200 500 $2.40
$1500 600 $2.50
$2000 800 $2.50
Pro Tip:

Some suppliers list prices in liters while others use gallons. This calculator handles all conversions automatically, so you can compare prices fairly regardless of the units used.