PC & Hardware
Size a power supply, plan storage, and reason about memory and bandwidth.
PSU / PC Power Calculator
Estimate total system wattage and a recommended PSU size.
RAM Latency Calculator
Convert memory speed and CAS latency into true nanoseconds.
Display Bandwidth Calculator
Check if a resolution, refresh rate and color depth fit your cable.
RAID Capacity Calculator
Usable capacity and fault tolerance across RAID levels.
Storage & File Size Calculator
Convert between bytes, KB/MB/GB and KiB/MiB/GiB.
Local LLM VRAM Calculator
Estimate VRAM needed to run a model at a given quantization.
Percentage Calculator
Find a percent of a number or measure a percent change.
Date Difference Calculator
Count the calendar days and weeks between two dates.
Aspect Ratio Calculator
Reduce dimensions to a ratio and scale proportionally.
Start here
The most common tasks in pc & hardware can be handled with these tools.
Community help
Compare approaches, ask questions and share results with other visitors.
Browse hardware discussionsOther categories
Networking & Internet
Plan subnets and estimate transfer times without guesswork.
Developer & Data
Format, test, encode and convert the data developers touch every day.
Files, Images & Text
Inspect, transform and clean up files and text — all in your browser.
Security & AI Utilities
Measure password strength and estimate API costs with full transparency.