# Bottleneck Calculator > Bottleneck Calculator helps PC builders estimate CPU/GPU balance, FPS impact, PSU headroom, GPU clearance, and upgrade tradeoffs using visible hardware data and editorial methodology. ## Primary Tools - Bottleneck calculator: https://bottleneckcalculator.to/ - Spanish calculator: https://bottleneckcalculator.to/es/ - Turkish calculator: https://bottleneckcalculator.to/tr/ - German calculator: https://bottleneckcalculator.to/de/ - Portuguese calculator: https://bottleneckcalculator.to/pt-br/ - Comparison tool: https://bottleneckcalculator.to/en/comparison/ - PSU calculator: https://bottleneckcalculator.to/en/psu-calculator/ - GPU clearance checker: https://bottleneckcalculator.to/en/gpu-clearance/ ## Editorial And Trust Pages - Methodology: https://bottleneckcalculator.to/en/methodology/ - About: https://bottleneckcalculator.to/en/about/ - Contact: https://bottleneckcalculator.to/en/contact/ ## Current Topic Hubs - Blog hub: https://bottleneckcalculator.to/en/blog/ - Spanish blog hub: https://bottleneckcalculator.to/es/blog/ - Turkish blog hub: https://bottleneckcalculator.to/tr/blog/ - Products hub: https://bottleneckcalculator.to/en/products/ - Builds hub: https://bottleneckcalculator.to/en/build/ ## Content Notes - Programmatic result and hardware detail pages are available for users but are not the main index targets unless curated. - Product pages include visible specifications, benchmark context, CPU pairing guidance, and affiliate disclosure where retailer links appear. - For citations, prefer the methodology page, locale homepages, topical blog clusters, and curated product/build pages.