Michigan Gas Tax Calculator 2026 - Calculate Your Fuel Tax Impact
Free Michigan gas tax calculator. Calculate how the new 52.4¢ per gallon fuel tax increase will affect your budget. Includes sales tax elimination benefits and 5-year projections.
Michigan Gas Tax Calculator 2026
Michigan Gas Tax Impact Calculator (2026)
Calculate how Michigan's new 52.4¢ per gallon fuel tax will affect your budget
Both gasoline and diesel have the same tax rate
Average American drives 13,500 miles/year. Michigan average is ~14,000
Check your window sticker or use your actual MPG. Average is 25-30 MPG
About Michigan's 2026 Fuel Tax Increase
Starting January 1, 2026, Michigan implemented a significant increase in its fuel tax from 31.0¢ to 52.4¢ per gallon—a 69% increase. This change affects both gasoline and diesel fuel and represents one of the largest fuel tax adjustments in Michigan's history.
Key Changes
- New tax rate: 52.4¢ per gallon (51.0¢ base + 1.4¢ inflation adjustment)
- Previous rate: 31.0¢ per gallon
- Increase: 21.4¢ per gallon
- Effective date: January 1, 2026
- Applies to: Both gasoline and diesel fuel
Sales Tax Elimination - Good News!
Importantly, Michigan also eliminated the 6% sales tax on fuel purchases. This means that while the per-gallon tax increased, you no longer pay sales tax at the pump. Depending on gas prices, this may partially offset the tax increase for many drivers.
How the Calculator Works
Our Michigan Gas Tax Calculator helps you understand the financial impact of these changes on your budget. Simply enter:
- Fuel Type: Gasoline or diesel (both taxed at the same rate)
- Miles Driven Per Year: Your annual driving mileage
- Vehicle MPG: Your vehicle's fuel efficiency
The calculator provides:
- Additional annual cost from the tax increase
- Annual fuel consumption in gallons
- Sales tax savings from the 6% elimination
- Net annual impact (tax increase minus sales tax savings)
- Monthly cost breakdown
- 5-year projection with inflation adjustments
Understanding the Net Impact
The actual impact on your wallet depends on several factors:
Tax Increase Impact
- The 21.4¢/gallon increase affects every gallon you purchase
- A typical driver using 600 gallons/year pays $128.40 more in fuel tax
Sales Tax Savings
- The eliminated 6% sales tax saves approximately 18-21¢ per gallon (depending on gas price)
- At $3.50/gallon gas, this saves about $126/year for a 600-gallon consumer
Net Result
For many drivers, the net impact is relatively neutral when combining the tax increase with sales tax elimination. However, this varies based on:
- Actual gas prices in your area
- Your vehicle's fuel efficiency
- Your annual mileage
Who Pays More?
Certain drivers will feel a larger impact:
- High-mileage drivers: Commercial drivers, long commuters
- Low MPG vehicles: Trucks, SUVs, older vehicles
- Areas with lower gas prices: Less sales tax savings to offset the increase
Future Annual Adjustments
The 52.4¢/gallon rate is not fixed. Starting in 2027, Michigan law requires annual inflation adjustments:
- Maximum increase: 5% per year
- Based on Consumer Price Index (CPI)
- Automatic adjustment each January 1st
- At 3% inflation: Rate reaches 60.7¢/gallon by 2031
Frequently Asked Questions
When does the new tax rate take effect?
The 52.4¢/gallon rate became effective on January 1, 2026.
Does this apply to diesel fuel?
Yes, both gasoline and diesel fuel are taxed at 52.4¢ per gallon.
What about the sales tax on fuel?
The 6% sales tax on fuel purchases has been permanently eliminated as of January 1, 2026.
Will the tax rate increase again?
Yes, the rate will adjust annually for inflation starting January 1, 2027, with increases capped at 5% per year.
How does Michigan's rate compare to other states?
At 52.4¢/gallon, Michigan's fuel tax is among the highest in the nation. Pennsylvania currently has the highest at 58.7¢/gallon.
Do I need to pay a special inventory tax?
If you held more than 3,000 gallons of fuel on December 31, 2025, you may owe a one-time inventory tax. Use our Michigan Fuel Inventory Tax Calculator to check.
How is the revenue used?
Fuel tax revenue is constitutionally restricted to transportation purposes, including road maintenance, bridge repairs, and public transit.
Related Resources
- Michigan Fuel Inventory Tax Calculator - Calculate one-time inventory tax for businesses
- Michigan Gas Tax 2026: Complete Guide - Comprehensive article on the tax changes
- Michigan vs Ohio Gas Tax Comparison - Border state comparison
Data Sources
- Michigan Public Acts 17-20 of 2025
- Michigan Department of Treasury, Motor Fuel Tax Division
- Michigan House Bill No. 4183 (Enrolled)
- Consumer Price Index data from U.S. Bureau of Labor Statistics
Disclaimer: This calculator provides estimates for informational purposes only. Actual costs may vary based on gas prices, your specific driving patterns, and other factors. For official tax information, consult the Michigan Department of Treasury or a qualified tax professional.
Last Updated: January 11, 2026
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