Decision tools

Answer a few questions, get a clear answer and see the numbers behind it.

Nespresso Vertuo vs Original

Pick the right system in two questions and work out your real cost per cup.

A four-question check that tells you whether mesh, an extender or a better router fixes your Wi-Fi.

Enter your viewing distance and get a screen size range based on SMPTE and THX guidelines.

Every figure comes from a cited source or a stated calculation. Prices show the date they were checked.