Free tools
Tools for the industry.
23 free calculators for engineers, technicians, installers, AV specialists and customers -- the numbers you check on every job, from cameras and storage to power, cabling, networks and AV.
Cabling
Plan copper and fibre runs.
Cable Voltage Drop Calculator
Check the voltage drop on a 12 V or 24 V DC cable run and find the minimum conductor size for your device.
Open calculatorFibre Optic Loss Budget Calculator
Add up fibre, connection and splice losses and check the link against your optics' power budget.
Open calculatorCable Quantity & Box Calculator
Work out how many metres and 305 m boxes of network cable a job needs, and check the longest run.
Open calculator