THE PASTEZAP TOOLKIT

Auto & Travel

Compare tyre sizes, cost a road trip or an EV charge, check gearing and engine power, and plan around jet lag.

Choose from 6 focused tools. Each page shows supported formats, practical examples and input limits before you begin. No account is required.

Compare two tyre sizes: diameter, width, sidewall, circumference, revolutions per km and the speedometer error after changing size.

Estimate the fuel and cost of a road trip from distance, consumption and fuel price, split between passengers, with CO₂.

Estimate how long an electric car takes to charge, how much energy and money it costs, and the range added, for AC or DC charging.

Convert torque and rpm to horsepower, kW and PS, or power and rpm to torque in N·m and lb·ft.

Calculate vehicle speed in every gear at a given engine rpm from gear ratios, final drive and tyre size, and the rpm at cruising speed.

Estimate how many days you need to adapt to a new time zone and get a simple sleep and light plan for before and after your flight.