RUNTax Calculator
What you actually owe.
Most drivers overpay taxes by $3,000-$8,000/yr because they don't track mileage. Drag the sliders below and see exactly what you'd save.
800 mi
$1,100
50 wk
Uses 2025 IRS standard mileage rate ($0.67/mi). Estimates only — see a CPA before filing.
Annual business miles40,000 mi
Mileage deduction$26,800
Annual gross earnings$55,000
Taxable after deduction$28,200
Est. total tax owed$5,947
Tax savings vs no deduction
$7,316
Money that stays in YOUR pocket by tracking every mile.
$0.67
Per business mile (2025 IRS rate)
15.3%
Self-employment tax (SS + Medicare)
$14,600
Standard deduction (2024, single)
Want the full tax cheat sheet?
Drop your email — we'll send the printable driver tax checklist (every deduction, every quarter).