Free PC Calculators & Upgrade Tools

Plan GPU, CPU, memory, display, settings and storage upgrades with transparent calculators.

Choose a focused tool below. Each result shows the calculation basis, assumptions and limitations so you can verify it before buying hardware.

Upgrade planning

Compare components and identify which upgrade deserves attention first.

Compare two graphics cards and estimate the useful gaming uplift.

Compare processors for gaming or productivity and check the GPU limit.

Rank CPU, GPU, RAM and storage upgrade priorities for your use case.

Understand FPS, frame time, refresh rate, resolution scaling and settings.

Convert FPS into milliseconds per frame and compare two targets.

Compare expected FPS with monitor refresh rate and frame budget.

Compare rendered pixel count and relative workload across resolutions.

Find a planning preset for selected hardware, game and target FPS.

Estimate graphics-memory and system-memory capacity for your workload.

Estimate a practical graphics-memory tier for your display and settings.

Estimate RAM capacity for gaming, multitasking, streaming and mods.

Compare storage types and plan usable capacity for a game library.

Compare HDD, SATA SSD and NVMe SSD options for games and daily use.

Compare CPU and GPU balance with the main PCBuildCheck model.

Estimate a broad FPS scenario for selected hardware and a game.

Estimate system power demand and practical PSU headroom.