Calculators & Hardware

Solve everyday calculations and plan PC hardware, storage and bandwidth.

Estimate total system wattage and a recommended PSU size.

Convert memory speed and CAS latency into true nanoseconds.

Check if a resolution, refresh rate and color depth fit your cable.

Usable capacity and fault tolerance across RAID levels.

Convert between bytes, KB/MB/GB and KiB/MiB/GiB.

Estimate VRAM needed to run a model at a given quantization.

Calculate percentages, changes, gross margin and markup.

Count calendar days, weekdays and weeks between two dates.

Reduce dimensions to a ratio and scale proportionally.

Compare costs, revenue and payback from your own assumptions.

Convert length, mass, temperature, volume and speed.

Explore monthly payments and total interest from your assumptions.

Build an illustrative project estimate from hours and costs.

Convert amounts using the latest available reference exchange rate.

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The most common tasks in calculators & hardware can be handled with these tools.

Compare approaches, ask questions and share results with other visitors.

Plan subnets, transfer times, time zones and US weather.

Format data, test code and build useful web and search assets.

Inspect, transform and clean up files and text — all in your browser.

Measure password strength and estimate API costs with full transparency.