Observed arrival · 2026-10-21

OTD Math: A car-price calculator that itemizes the fees

otdmath.com Visit website

Editorial interest 78/100 Selection signal · not a rating of the site

A free, no-sign-up calculator estimates a car’s out-the-door price across 20 states, breaking out taxes, title, registration, and dealer fees.

Landing page captured for the 2026-10-21 issue.

For: Car buyers comparing dealer quotes in the covered states
Worth noticing: The California example separates county-varying fees and explains that trade-ins do not reduce the taxable amount.

Field notes

The inputs mirror several figures on a dealer quote, including agreed price, trade-in value, and doc fee. The California example distinguishes taxable amounts from government fees and flags county-dependent charges; the page also cautions that the tax office determines the final figure. Rates and rules are labeled as reviewed October 19, 2026.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

One card from the complete issue

Congestion Travels Backward

474,485 arrived 1,000 judged 983 catalogued Enter the complete issue