Free tools
Free tools for driving instructors
Quick calculators for the numbers every ADI has to work out — tax, take-home pay, and what a card-payment fee really costs. No sign-up, nothing sent anywhere: the maths runs in your browser.
Driving instructor tax calculator
Estimate your Self Assessment bill as a self-employed ADI.
What a payment fee really costs you
See the yearly cost of an app taking a percentage of every lesson.
Driving instructor earnings calculator
Work out your real take-home after running costs.
ADI Standards Check score grader
Score a practice Standards Check against the DVSA grade boundaries.
Franchise vs independent calculator
Compare a weekly franchise fee against going it alone.
Do the maths once a year, not every lesson
Lesson Diary keeps your lesson income and expenses logged all year and exports them ready for your Self Assessment. It never takes a cut of your lesson money — a flat £9.99 a month, free for 7 days.