Estimate your monthly gas bill for daily commuting, personal travel, or household budgeting.
Calculate your monthly gasoline budget based on your real daily work commute and weekend driving routine.
Total miles driven to and from work
Standard work week schedule
Groceries, errands, weekend trips
Current price at the pump
The standard household budgeting formula for estimating monthly and annual gasoline expenditure based on work routines.
Estimated fuel volume and trip costs across typical vehicle efficiency tiers (calculated at $3.50/gal gasoline and $0.19/kWh electricity).
| Trip Distance | 20 MPG (Truck/SUV) | 30 MPG (Sedan) | 50 MPG (Hybrid) | EV (120 MPGe) |
|---|---|---|---|---|
| 25 miles (Daily commute) | 1.25 gal ($4.38) | 0.83 gal ($2.92) | 0.50 gal ($1.75) | 7.0 kWh ($1.33) |
| 50 miles (Round-trip work) | 2.50 gal ($8.75) | 1.67 gal ($5.83) | 1.00 gal ($3.50) | 14.0 kWh ($2.66) |
| 100 miles (Regional trip) | 5.00 gal ($17.50) | 3.33 gal ($11.67) | 2.00 gal ($7.00) | 28.0 kWh ($5.32) |
| 250 miles (Weekend getaway) | 12.50 gal ($43.75) | 8.33 gal ($29.17) | 5.00 gal ($17.50) | 70.0 kWh ($13.30) |
| 500 miles (Interstate route) | 25.00 gal ($87.50) | 16.67 gal ($58.33) | 10.00 gal ($35.00) | 140.0 kWh ($26.60) |
Benchmark calculations use standard national averages. You can customize exact distances, gas prices, and vehicle MPG in the live calculator above.
Fuel is one of the largest recurring variable expenses for car owners after auto insurance and loan payments. Accurate monthly fuel forecasting helps households budget effectively, compare job offers with different commute distances, and evaluate whether switching to a hybrid or electric vehicle makes financial sense.
Monthly Fuel Cost = ((Daily Round-Trip Distance × Workdays) ÷ MPG) × Gas Price
Driving 40 miles round-trip over 22 workdays (880 miles/mo) in a 28 MPG sedan with gas at $3.50/gal.
Calculation: (880 mi ÷ 28 MPG) × $3.50 = $110.00 / month ($1,320 / year).
Driving 90 miles round-trip over 22 workdays (1,980 miles/mo) in a 22 MPG SUV with gas at $3.60/gal.
Calculation: (1,980 mi ÷ 22 MPG) × $3.60 = $324.00 / month ($3,888 / year!).
Explore our full suite of specialized calculators for specific vehicles, equipment, and fuel conversions:
Multiply your daily round-trip commute distance by your monthly workdays to get total monthly commute miles. Divide monthly miles by your vehicle's combined MPG to determine gallons needed, then multiply by your local fuel price per gallon. Formula: ((Daily Round-Trip Miles × Workdays) ÷ MPG) × Fuel Price.
The average American driver travels approximately 1,100 to 1,250 miles per month (13,500 to 15,000 miles/year). In a standard 26 MPG vehicle with gas priced at $3.50 per gallon, the typical monthly gas bill runs between $150 and $175 per month.
Upgrading from a 22 MPG crossover to a 50 MPG hybrid cuts fuel consumption by over 56%. For a commuter driving 1,200 miles per month with gas at $3.60/gal, monthly gas expenses fall from $196.36 to $86.40, saving approximately $110 per month ($1,320 per year).
Cold ambient temperatures reduce fuel economy by 10% to 20% due to engine warm-up friction, winter gasoline blends with lower energy density, lower tire pressure, and increased aerodynamic air density. Commuters should budget 15% more for gas during winter months.
Over 22 workdays, a 50-mile daily commute totals 1,100 monthly miles. In a 28 MPG car with gas at $3.50/gal, the monthly cost is (1,100 ÷ 28) × $3.50 = $137.50 per month ($1,650 annually).
Yes. An EV typically costs $0.04 to $0.05 per mile when charged at home residential electric rates ($0.16/kWh), compared to $0.10 per mile for a 35 MPG gas car at $3.50/gal—saving about $60 to $75 per month on a 1,200-mile commute.