About Parts Advisor Tools

Free, purpose-built utilities for automotive parts professionals.

What We Do

Parts Advisor Tools provides free online utilities designed specifically for people who work in automotive parts — whether at a dealership, an independent store, a fleet shop, or any business that buys and sells vehicle parts. Everything is free, requires no account, and works on any device.

Our Tools

The VIN Decoder connects to the NHTSA's official database to decode any 17-character VIN instantly.

The Margin & Markup Calculator solves for cost, margin, markup, or resale from any two values.

The NATO Phonetic Alphabet converts text to NATO phonetic words in real time.

The Tire Size Calculator calculates tire specs, finds safe replacement sizes, and compares two tire sizes.

The Unit Converter handles length, volume, weight, and fuel economy conversions instantly.

Guides

We publish practical guides including how to read a VIN, gross profit vs markup, and a NATO phonetic alphabet reference.

Contact

Have a suggestion or found a bug? Visit our contact page.