Gas Cost Per Month Calculator

Disclaimer: While we strive to ensure the accuracy of our calculator tools, we cannot be held responsible for any damages or financial losses resulting from their use.

How Does This Calculator Work?

This calculator is designed to calculate the gas cost per month. However, it can also be used to find out the gas cost for the week, month, six months, and one year.

You can also choose various currencies to get results in the preferred currency.

Follow these instructions for better understanding:

First, select your desired currency. For example, if you’re from the US, choose USD ($).

Then select the gas unit, either gallons or liters. If you buy gas in gallons, select gallons; otherwise, choose liters.

Now, enter gas cost according to your measurement unit.

Now, enter the vehicle fuel efficiency. Fuel efficiency means how far a vehicle will travel per unit of fuel.

For example, if your car consumes one gallon for 30 miles, then 30 miles per gallon is the fuel efficiency.

In the last input field, enter the miles driven per month.

Miles driven stands for how many miles a vehicle travels in a month.

Press the calculate button.

The gas cost is calculated using the following formulas:

Cost Per Mile:

Cost Per Mile = Gas Cost / Fuel Efficiency

• This calculation gives the cost of gas required to drive one mile.

Total Monthly Cost:

Total Monthly Cost = Cost Per Mile × Miles Driven

• This calculation gives the total cost of gas for driving a specific number of miles in a month.

Weekly Cost:

Weekly Cost = Total Monthly Cost​ / 4

• This formula calculates the weekly cost.

Six-Month Cost:

Six-Month Cost = Total Monthly Cost × 6

• This is simply the monthly cost multiplied by 6.

Yearly Cost:

Yearly Cost = Total Monthly Cost×12

• This formula is used to get the yearly expense.

Example:

Assume the following input values:

• Gas Cost: $3 per gallon
• Fuel Efficiency: 30 miles per gallon
• Miles Driven per Month: 1,200 miles

Step-by-Step Calculation:

Cost Per Mile:

Cost Per Mile = Gas Cost / Fuel Efficiency

Cost Per Mile = 3 USD​ / 30 miles/gallon = 0.10 USD/mile

• For every mile driven, the gas costs $0.10.

Total Monthly Cost:

Monthly Cost = Cost Per Mile × Miles Driven

Total Monthly Cost = 0.10 USD/mile × 1200 miles = 120 USD

• Driving 1,200 miles in a month will cost $120 in gas.

Weekly Cost:

Weekly Cost = Total Monthly Cost​ / 4

Weekly Cost = 120 USD / 4 = 30 USD

• The gas cost per week is $30.

Six-Month Cost:

Six-Month Cost = Total Monthly Cost × 6

Six-Month Cost = 120 USD × 6 = 720 USD

• The gas cost for 6 months is $720.

Yearly Cost:

Yearly Cost = Total Monthly Cost×12

Yearly Cost = 120 USD × 12 = 1440 USD

• The gas cost for the entire year is $1,440.

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