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Determine which method you will use for business mileage.
The first step in calculating business mileage is determining which method to use: Standard mileage or Actual costs. You are required to use the standard mileage rate the first year you use a car, then in later years, you can choose to use either the standard rate or actual expense method.
Each has advantages and disadvantages. But both require you to track your mileage.
STANDARD MILEAGE
To use the Standard Mileage method, simply multiply your business miles by the amount per mile allotted ballotted by the IRS IRS. To do this you will need to track all business trips, details/reason, dates, and mileage.
ACTUAL COST
The Actual cost method is based on the expenses you incur for the operation of your vehicle. It includes things like gas purchases, oil changes, tire purchases, car washes, and insurance.
However, you can only claim the percentage of expenses that apply to the business use of your vehicle. To compute this, you must know how many miles you drove for business purposes and how much you drove for personal reasons. To find the percentage of your car’s use for business, divide your total business miles by the total number of miles you drove for the year (business + personal).
- For example, if you drove 5,000 miles for your business, and your odometer indicates you drove 10,000 miles for the year, divide 5,000 by 10,000. The result is 0.5, or 50%. This is the percentage of your vehicle’s business use.
You then multiply the total of your actual expenses by this percentage to arrive at your actual expense's deduction.
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