All calculators
Every tool on the site, grouped by the constraint it addresses. 14 in total, all running in your browser.
- PDU Load CalculatorCalculate usable rack PDU capacity in kW from voltage, breaker rating and phase, with the 80% continuous-load derate and N+1 redundancy applied.
- UPS Runtime CalculatorEstimate how long a UPS will support your load from battery capacity, string voltage, inverter efficiency and depth of discharge.
- PUE CalculatorCalculate Power Usage Effectiveness and DCiE from total facility power and IT equipment power, with overhead breakdown.
Cooling
About this category →Space & Weight
About this category →- Rack Unit (U) PlannerPlan rack elevations by U height: total used, free U remaining, and percentage utilisation with a reserved-space allowance.
- Floor Loading CalculatorCheck rack weight against raised-floor limits in kg/m² and lb/ft², including point load per caster.
- Cable Tray Fill CalculatorCalculate cable tray fill percentage from cable diameter and count, checked against the usual 40-50% fill guidance.
Network
About this category →- Subnet CalculatorCalculate network address, broadcast, usable host range, wildcard mask and host count from any IPv4 address and CIDR prefix.
- Fiber Loss Budget CalculatorCalculate total optical link loss from distance, connectors and splices, and compare it against your transceiver's power budget.
- Data Transfer Time CalculatorWork out how long moving a given volume of data takes at a given link speed, including real-world efficiency overhead.
- Cable Label GeneratorGenerate sequential structured cabling labels from a naming pattern for patch panels, racks and ports.