Business · official-source review · reviewed 2026-10-09
Mileage deductions fail on missing dates and vague purposes, not on the arithmetic.
Log dated business trips with purpose notes and compute the business-mile total at the standard rate.
Sole proprietors and employees tracking business miles.
Use the source document or official route that applies to your situation. This guide does not contact another person or verify external information.
Log date, purpose, and miles for each trip the same day.
Keep personal miles out of the business total.
Apply the IRS published rate for the year of the trip.
Export the log and keep it with your tax records.
Three dated trips totaling 47 business miles produce a working total you export with the log.
Use your own source and details. The example is not a record about a real person or organization.
U.S. Internal Revenue Service · reviewed 2026-10-09
What this source supports: The IRS publishes the standard mileage rates for business, charity, and medical travel each year.
Source limit: Rates change annually, and actual-expense accounting may produce a different result. Keep a contemporaneous log either way.
These sources support the statements above. They do not show that every person needs this guide. They do not show a specific result.
This guide totals trips you enter. It does not choose between mileage and actual expenses, or store records for you.
Rates change annually, and actual-expense accounting may produce a different result. Keep a contemporaneous log either way.
Use current instructions from the responsible organization. This guide is a planning aid, not an official decision or a substitute for qualified advice.
Sum dated business trips and apply the standard rate so the working total is ready to export.
This App totals the miles you enter. It does not track GPS, decide trip eligibility, or choose your deduction method.
You enter every number yourself. The sources support the method and the limits. They do not produce a result for your specific case. Keep the original documents next to the sheet you build.
The App computes the worked example with your own numbers, in your browser.
APP 1
Sum dated business trips and apply the standard rate so the working total is ready to export.
Free · no account · no upload
Open Business Mileage Log StarterThe App runs in this browser. It does not send or save entries. Copy, download, or print only when you choose.
This guide uses short, direct instructions as an ASD-STE100-style writing target. It is not a formal certification.
Companion App: Business Mileage Log Starter. It runs in this browser and does not upload your entries.
This guide is edited for clarity and checked against the sources it links. It is not a substitute for official instructions or qualified advice. A linked source does not show that every person needs this guide.