PC planning without the guesswork
Free PC Tools and Calculators
Free PC Tools and Calculators help you plan a build, choose worthwhile upgrades, check performance, and solve common setup questions without installing another program.
- Focused tools
- 14
- Access
- No sign-up
- Cost
- Free to use
Build and upgrade
Plan what to buy or replace
Start here when you are choosing parts, planning an upgrade, or deciding whether an older computer is still worth improving.
Should I Upgrade My PC or Buy a New One?
Compare age, condition, upgrade cost, and expected improvement before spending money.
Compare your optionsPC Upgrade Path Planner
Find the part most likely to improve your current workload within your budget.
Plan an upgradeComputer PSU Wattage Calculator
Estimate system power needs and choose suitable wattage headroom for a build.
Calculate wattageGaming PC UPS Size Calculator
Estimate the UPS capacity and runtime needed to support a gaming computer and monitor.
Size a UPSRAM Configuration Optimizer
Review memory capacity, speed, channel layout, and module placement for your system.
Check RAM setupPerformance and compatibility
Check how the parts work together
Estimate gaming performance, find a likely system limit, and compare your hardware with software requirements.
PC Bottleneck Calculator
Estimate whether the processor or graphics card is more likely to limit your selected workload.
Check system balanceFPS Calculator for Gaming
Estimate a broad frame-rate range for a selected game, resolution, and hardware tier.
Estimate FPSSystem Requirements Checker
Compare selected PC parts with the minimum and recommended requirements for a game.
Check requirementsStorage Speed Comparison Tool
Compare common HDD, SATA SSD, and NVMe storage speeds for everyday tasks.
Compare storageCooling and displays
Match airflow, frame rate, and screen setup
Plan case airflow and check whether your monitor setup suits the performance and viewing distance you want.
PC Airflow Calculator
Compare intake and exhaust fan airflow to estimate the pressure balance inside a case.
Plan case airflowMonitor Refresh Rate Calculator
Compare refresh rates, frame times, and expected FPS for a smoother display setup.
Compare refresh ratesMonitor Viewing Distance Calculator
Estimate a comfortable viewing range from screen size, resolution, and intended use.
Calculate distanceOther useful utilities
Solve a networking or color question
Use these focused helpers when the task sits outside PC hardware planning.
Internet Speed Requirements Calculator
Estimate the connection speed needed for the people, devices, and online activities in a home.
Estimate internet speedFind Complementary Colors From HEX Code
Enter a HEX color to find its complement and build related palettes for a design.
Find matching colorsWhen the browser needs more detail
Read the PC before planning the next step
Browser calculators depend on the information you enter. CIB PC Reporter can collect hardware, temperature, drive health, and driver details from Windows, then export a report you can use while checking upgrades and performance.
Get CIB PC Reporter