Free PC Building Calculators

Quick, no-signup tools for planning a build or choosing a monitor.

Check whether your CPU and GPU are a balanced pairing at your gaming resolution.

Pick your CPU and GPU and get a recommended power supply size with headroom for spikes and upgrades.

Pixel density, dot pitch and megapixels from any resolution and screen size.

Simplified ratio of any resolution, plus distortion-free scaling to new dimensions.

Also check out our GPU & CPU comparison tool — every matchup, side by side.