Frequently Asked Questions

Do you need to log your business miles for the IRS?

Slacklog is a mileage log generator.

It only takes 15 minutes to generate a printable mileage report for your annual tax return. It's private and secure.

The cost is $10 with a Credit or Debit Card.

You answer a series of questions, and it creates a mileage log. You will receive a minimally formatted XLSX file with pre-filled data you can customize in your preferred spreadsheet editor.

Why Slacklog?

Using a mileage log allows you to accurately track your vehicle-related expenses, including fuel, maintenance, insurance, and depreciation. This helps you claim the correct deductions and ensures you don't overlook any eligible expenses.


We believe in providing you with a seamless and versatile experience, and that's why your download comes in the widely acclaimed XLSX format. Here's why it's the perfect choice for your needs::
  1. Familiar Interface: XLSX files are native to Microsoft Excel, Apple Numbers and Google Sheets. It's one of the most widely used spreadsheet formats globally. This means you can open and work with your data effortlessly in an environment you are already comfortable with.
  2. Intuitive Navigation: Easily navigate through your data, make changes, and organize information using the user-friendly interface of Excel. The simplicity of XLSX ensures that you spend more time analyzing your data and less time grappling with file formats.
  3. Universal Acceptance: XLSX files are universally accepted across various platforms and applications, ensuring that you can seamlessly integrate your data into different tools and software suites.
  4. Cross-Platform Functionality: Whether you're using Windows, macOS, or Linux, XLSX ensures cross-platform compatibility, allowing you to share and collaborate on your data effortlessly.
The mileage report from Slacklog is emailed to you as an XLSX spreadsheet. This file format will work in all popular spreadsheet editors. We encourage you to edit the file for accuracy before including its use in filing your taxes.

Deductions for Business Use

If you use your vehicle for business purposes, you can deduct the expenses related to that use. The Slacklog mileage log helps you track the number of miles you drive for business, which can be used to calculate your deduction. This can significantly reduce your taxable income and lower your tax liability.

Are you an accountant?

Interested in providing Slacklog to your clients? Contact us for a bulk license.

Tax day is coming

Get your mileage log early. This will give you time to adjust it and make it accurate.