Free Tools
Use these calculators to answer common estimating and design questions quickly. They are free to use and do not require an account.
Low-Voltage Project Cost Calculator
Estimate labor, materials, markup, testing, travel, contingency, selling price, gross profit, and margin.
Open calculator →NVR Storage Calculator
Estimate required storage from camera count, bitrate, recording hours, and retention period.
Calculate storage →PoE Budget Calculator
Check whether a PoE switch has enough power budget for access points, cameras, phones, and other devices.
Check PoE budget →Ethernet Cable Box Calculator
Plan cable footage, waste allowance, and the number of cable boxes required for an installation.
Plan cable →Professional Low-Voltage Estimator
Use your own labor assumptions, material costs, waste, markups, and target margin in a reusable Excel workbook.
Camera Bandwidth Calculator
Estimate aggregate camera bandwidth, recorder uplink utilization, WAN upload load, and daily data volume.
Calculate bandwidth →UPS Runtime Calculator
Estimate approximate battery runtime using load, battery capacity, efficiency, usable capacity, and aging allowance.
Estimate runtime →Structured Cabling Labor Calculator
Estimate technician hours, crew days, loaded labor cost, target-margin selling price, and labor price per drop.
Estimate labor →MSP Pricing Calculator
Estimate monthly delivery cost, target MRR, per-endpoint pricing, and annual contract value.
Calculate MSP pricing →Understand the assumptions behind the result
These guides explain the pricing and design logic behind the most-used calculators.