Calculate Business Mileage Automatically from Your Google Calendar or Outlook Calendar
Connect your calendar, detect appointment locations automatically, calculate accurate business mileage, and generate HMRC-ready mileage reports without manually entering journeys.
From calendar to mileage report in four steps
Connect once, and Mileage Calendar handles the rest — automatically, every day.
Connect Google Calendar or Outlook Calendar
Securely connect your calendar using Google OAuth or Microsoft authentication. Read access only — we never modify your events.
Read Appointment Locations
Mileage Calendar reads event locations and identifies customer visits automatically.
Calculate Routes Automatically
The system calculates the fastest business route between appointments — distance, journey time and traffic.
Generate Mileage Reports
Every completed journey is automatically added to your mileage log ready for HMRC reporting.
Everything you need for calendar-based mileage
From automatic calendar sync to HMRC-ready exports and accounting integration — all included.
Built for professionals who travel between appointments
If your working day is a series of customer visits, Mileage Calendar turns your calendar into your mileage log.
Any professional travelling between appointments.
Instead of entering every journey manually
Book appointments once. Mileage Calendar does the rest — automatically.
Reads addresses
Automatically reads the location from every calendar event.
Calculates distance
Works out the driving distance between appointments.
Creates mileage logs
Builds a compliant log with date, route, distance and purpose.
Keeps evidence
Stores a permanent record HMRC can see if asked.
Produces HMRC reports
Exports ready-to-submit reports in seconds.
Book once, track automatically
Your calendar is your mileage log.
Works with the calendar you already use
Mileage records that satisfy HMRC
Every journey from your calendar becomes a compliant record — ready for your Self Assessment.
Business mileage calculations
Only genuine business journeys are counted — your commute is excluded automatically.
Claim values
Every journey is valued at the current HMRC approved rate — 55p per mile for the first 10,000 miles.
HMRC mileage rates
Built-in approved rates for cars, vans and motorcycles, with automatic 10,000-mile threshold tracking.
Exporting evidence
Download PDF, Excel or CSV reports with every journey, date, route and purpose — the details HMRC requires.
Digital record keeping
HMRC requires digital mileage records. Mileage Calendar stores them securely, searchable and ready.
Frequently Asked Questions
Ready to stop entering mileage manually?
Connect your calendar today and automatically calculate every business journey.
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