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Mileage Calculator

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Enter your starting point and destination to calculate mileage between two locations. This free mileage calculator estimates driving distance, trip fuel cost, and reimbursement amounts based on current IRS rates.

Whether you need to track miles driven for business travel, plan a road trip budget, or figure out what your employer owes you per mile, the calculator above gives you a fast estimate. Plug in your route details and get usable numbers in seconds.

Calculate Mileage for Any Trip or Destination

To calculate mileage between two locations, enter a starting city or address and a destination. The tool maps the driving route and returns the total distance in miles.

How to calculate miles between two locations:

  1. Type your starting location (city, ZIP code, or street address).
  2. Type your destination.
  3. Review the estimated driving distance and travel time.

The result is the route distance, not a straight line. Actual miles may vary slightly depending on the roads you take, detours, or construction. Use the estimate for planning, not as an odometer reading.

How do I calculate mileage manually? If you prefer a formula, the simplest approach is to note your odometer at departure and again at arrival. Subtract the starting number from the ending number. That gives you actual miles driven. The calculator here saves that step by estimating the route distance before you leave.

Mileage Reimbursement Calculator

A mileage reimbursement calculator multiplies your miles driven by the applicable rate per mile. The result is the dollar amount you can claim or your employer should reimburse.

Basic mileage reimbursement formula:

Total reimbursement = miles driven × rate per mile

For example, a 120 mile business trip at the 2025 IRS standard rate of $0.70 per mile equals $84.00 in reimbursement. Enter your trip distance and rate above to get your own estimate.

IRS Mileage Rate for 2025

The IRS standard mileage rate for 2025 is $0.70 per mile for business use of a personal vehicle. This rate covers fuel, depreciation, insurance, and maintenance in a single per mile figure.

Other IRS rates for 2025:

  • Medical and moving (active-duty military only): $0.21 per mile
  • Charitable purposes: $0.14 per mile

These rates update annually. The IRS publishes new figures each December or January. Always confirm the current year rate before filing a claim or expense report.

How do you calculate mileage reimbursement for 2026? The formula stays the same. Multiply miles driven by the new IRS rate once it is announced. Until then, use the 2025 rate for planning estimates.

How to Calculate Mileage Reimbursement by State

Some states require employers to reimburse employees for business miles at a rate that may differ from the IRS standard. California, Illinois, and Massachusetts, for example, have labor codes that mandate expense reimbursement for work-related driving.

Most employers default to the IRS rate. Others set a custom rate per mile. Check your company policy or your state labor department to confirm which rate applies to you.

The calculator lets you enter a custom reimbursement rate. Use this feature to match your employer's rate or your state's requirement exactly.

Mileage Reimbursement Rate for a Personal Vehicle

When you use a personal vehicle (sometimes called a POV, or privately owned vehicle) for business, the IRS standard rate is designed to cover all operating costs. You do not need to track individual expenses like fuel receipts or oil changes separately if you use this method.

There is an alternative: the actual expense method. With this approach, you track every vehicle cost for the year and calculate the business-use percentage. Most people find the standard mileage rate simpler.

You cannot switch methods freely every year. IRS rules require you to use the standard rate in the first year the vehicle is available for business if you want to keep that option open.

Calculate Mileage Cost Per Mile

Understanding your true cost per mile helps you compare driving against flying, taking a bus, or renting a car. The mileage calculator estimates trip cost based on fuel price and your vehicle's fuel economy.

Fuel Cost and Fuel Economy Per Mile

Fuel cost per mile depends on two numbers: the price per gallon and your car's miles per gallon (MPG).

Formula:

Fuel cost per mile = price per gallon ÷ MPG

If gas costs $3.50 per gallon and your car gets 28 MPG, your fuel cost is about $0.125 per mile. A 300 mile trip would cost roughly $37.50 in fuel alone.

Enter your vehicle's MPG and local gas price in the calculator for a personalized trip fuel estimate. You can find your car's EPA fuel economy rating at fueleconomy.gov or in your owner's manual.

Car Expense Beyond Fuel

Fuel is only part of the total cost per mile. Other expenses include:

  • Depreciation: the largest single cost for most vehicles
  • Insurance: your annual premium divided by miles driven
  • Maintenance and tires: oil changes, brake pads, tire replacement
  • Registration and taxes: annual fees spread across your mileage

AAA estimates the average total cost of owning and operating a new car at roughly $0.60 to $0.80 per mile, depending on vehicle type. This is why the IRS standard rate is set higher than fuel cost alone.

When comparing a personal vehicle trip to other transportation options, use the full cost per mile, not just fuel.

Mileage Calculator for Rental Car and Rent a Vehicle Trips

Renting a car changes the math. Your cost per mile is no longer tied to your personal vehicle's depreciation or insurance. Instead, you pay a daily or weekly rental rate plus fuel and sometimes a per mile charge.

Rental Mileage Rate and Distance Limits

Most major rental companies offer unlimited mileage on standard rentals within the same state. For one-way trips, long-distance routes, or specialty vehicles, a mileage rate or distance cap may apply.

Common rental mileage scenarios:

  • Unlimited mileage: no per mile charge, common for in-state rentals
  • Capped mileage: a set number of free miles per day (often 100 to 150), then a per mile fee (typically $0.15 to $0.35)
  • One-way fees: a flat surcharge for dropping off at a different location

Before booking, compare the total rental cost (daily rate plus estimated fuel plus any mileage fees) against your personal vehicle reimbursement. For long trips, renting can sometimes save money compared to claiming the IRS rate on a high-mileage personal vehicle.

Calculate Mileage for Business Travel and Money Saved

Business travelers can save real money by choosing the right reimbursement method and route. Use the mileage calculator to estimate the cost of each option before you travel.

Steps to compare:

  1. Calculate mileage for the planned route.
  2. Multiply by your reimbursement rate to find the total claim amount.
  3. Estimate actual fuel and vehicle costs for the same trip.
  4. Compare against airfare, rental car quotes, or rideshare prices.

Organizations often require employees to use the lowest-cost transportation method. Running the numbers in advance helps you plan and supports your expense report.

Vehicle Mileage Expense and Reimbursement for TDY and POV

Military and federal government travelers follow specific rules for temporary duty (TDY) travel. When authorized to use a privately owned vehicle, the reimbursement rate is set by the General Services Administration (GSA), not the IRS.

Key points for government POV travel:

  • The GSA POV mileage rate may differ from the IRS standard rate. Check the current year GSA rate before filing.
  • Reimbursement is typically based on the official distance between duty stations, not the actual odometer reading.
  • If driving costs more than a government-rate airfare, the traveler may only be reimbursed up to the airfare amount.

Use the calculator to estimate the driving distance, then confirm the reimbursement policy with your travel management office.

Mileage Rate by State

Mileage reimbursement rates vary depending on who is paying and where you work. Here is a quick reference:

Source2025 Rate Per MileNotes
IRS standard (business)$0.70Covers all vehicle expenses
IRS (medical/moving)$0.21Military moves only
IRS (charitable)$0.14Set by statute
GSA (federal POV)VariesUpdated separately from IRS
State-specificVaries by stateCA, IL, MA and others may require reimbursement

Some states do not mandate any specific mileage rate. In those states, reimbursement depends entirely on employer policy. Others tie their rate to the IRS standard automatically.

To find your state's requirement:

  1. Check your state labor department website for expense reimbursement rules.
  2. Review your employee handbook or travel policy.
  3. Use the calculator to estimate your claim at whatever rate applies.

This calculator provides estimates for planning purposes. It is not tax, legal, or employment advice. Confirm rates with the IRS, your employer, or a qualified professional before filing claims or expense reports.