Free, fast tools to help you make smarter tech buying decisions. No sign-up, nothing leaves your browser — every calculation runs on your device.
Our Calculators
- TV Viewing Distance Calculator — find the ideal seating distance for your screen size and resolution.
- Projector Screen Size Calculator — size a screen for your room and throw ratio.
- Power Bank Calculator — estimate how many charges a power bank gives your device.
- Wi-Fi Coverage Estimator — gauge whether you need a router or a mesh system.
- Digital Storage Calculator — work out how much storage your photos and video need.