Free tools for drivers and repair shops
Tire size, fuel cost and a maintenance checklist for drivers, plus door rates, invoices and approvals for the service counter. Free, no sign-up, everything stays in your browser.
- Tire Size CalculatorTires What does my tire size mean, and how does another size compare? Tire size calculator and comparison with speed rating and load index charts.
- Fuel Cost CalculatorFuel How much will gas cost for my trip, or a year, at my real mpg? Fuel cost calculator for a trip or a year of driving, plus an mpg calculator that uses your gas receipts.
- Car Maintenance ChecklistMaintenance Car maintenance checklist: what's due now? Car maintenance schedule and checklist: type your odometer and see what's due, coming up or not yet, by miles and months.
- Shop Labor Rate CalculatorPricing What should my shop charge an hour? The door rate your costs require: wage, burden, the hours you really sell, overhead and discounts.
- Auto Repair Invoice BuilderInvoicing Print the invoice before the customer drives off An itemized invoice: type the VIN and the year, make and model fill in from NHTSA.
- Additional Work Authorization Message GeneratorApprovals How do I ask them to approve more work? The text, email and phone script that ask for approval, plus the record for the repair order.