PSU Calculator
Estimate your system load and a sensible power supply wattage with configurable headroom.
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Category
PC and hardware tools
Calculators for power supplies, storage, RAM and displays, with clear, approximate results.
Power
UPS Calculator
Estimate minimum VA and a suitable UPS capacity from load and power factor.
Open tool →Power Cost Calculator
Calculate daily, monthly and yearly energy use and cost from power, usage time and electricity price.
Open tool →Storage
Storage Analyzer
Select files or a folder and see how much space they use. Analysis stays in your browser.
Open tool →Storage Unit Converter
Convert decimal and binary units to compare GB, GiB, TB and TiB.
Open tool →Transfer Time Calculator
Calculate how long a file takes to transfer at a given speed.
Open tool →SSD TBW / DWPD Calculator
Relate an SSD’s TBW rating to capacity and an intended usage period.
Open tool →Memory
RAM Bandwidth Calculator
Calculate theoretical memory bandwidth from MT/s, bus width and channel count.
Open tool →RAM Latency Calculator
Convert memory speed and CL into approximate CAS latency.
Open tool →Displays
PPI Calculator
Calculate pixel density and approximate physical pixel size.
Open tool →Monitor Size Calculator
Get the approximate width, height and front area of a display from its diagonal and aspect ratio.
Open tool →Resolution & Aspect Ratio Calculator
Detect the aspect ratio and calculate an equivalent resolution while keeping the width.
Open tool →Display Bandwidth Calculator
Estimate video data rate from resolution, refresh rate and color depth.
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