EVOTECH IT LLC Engineering Toolkit
Low-Voltage Engineering Calculators
Plan CCTV retention, PoE budgets, network capacity, Wi-Fi density, fiber loss, conduit fill, UPS runtime, rack space, and access-control power with field-ready estimating tools.
CCTV & Security
- Camera Storage Calculator Estimate surveillance recording capacity in terabytes.
- NVR Storage Calculator Estimate surveillance recording capacity in terabytes.
- DVR Storage Calculator Estimate surveillance recording capacity in terabytes.
- Camera Coverage Calculator Estimate fixed-camera count from target area and usable coverage.
- Camera Lens Calculator Select lens focal length from sensor width, distance, and target width.
- Camera FOV Calculator Calculate horizontal field of view from lens and sensor size.
- Camera Height Calculator Estimate useful ground view and depression angle from mounting height.
- Camera Pixel Density Calculator Calculate pixels per foot for identification, recognition, or observation.
- License Plate Recognition Calculator Estimate license plate capture suitability from lane width and pixels.
- Facial Recognition Distance Calculator Estimate face identification distance from pixel density and scene width.
- CCTV Bandwidth Calculator Estimate total CCTV network bandwidth with recording and viewing overhead.
- Camera Retention Calculator Estimate how many days of video fit available storage.
- Motion Recording Storage Calculator Estimate storage when recording is triggered by motion or analytics.
- Camera Count Calculator Calculate camera quantity from areas, entrances, and dedicated views.
- Camera Placement Planner Plan camera placements from zones, corners, and dedicated target views.
- PTZ Coverage Calculator Estimate PTZ camera coverage and fixed-camera equivalents.
- Parking Lot Camera Calculator Estimate parking lot camera count from stalls, lanes, and poles.
- Warehouse Camera Calculator Plan warehouse camera count using aisle, dock, and open-area coverage.
- Office Camera Calculator Estimate office cameras for entries, corridors, public rooms, and sensitive spaces.
- School Camera Calculator Estimate school camera count for entries, corridors, common areas, and exterior zones.
- Apartment Camera Calculator Estimate multifamily security camera count for entries, corridors, amenities, and parking.
- Business Security Budget Calculator Build a planning budget for a business security system.
- CCTV Cost Calculator Estimate CCTV project cost from device, cable, storage, and labor components.
- Surveillance ROI Calculator Estimate surveillance payback from loss reduction and operational savings.
- Security Risk Score Calculator Score site security risk from exposure, history, asset value, and control maturity.
Networking
- PoE Budget Calculator Size PoE switch power budget with safety margin.
- Switch Port Calculator Estimate access switch count and port reserve.
- Network Capacity Calculator Calculate aggregate LAN capacity and headroom.
- Bandwidth Calculator Estimate bandwidth requirement for users and applications.
- Throughput Calculator Estimate effective throughput after protocol overhead and utilization target.
- Subnet Calculator Calculate usable hosts, CIDR prefix, and subnet mask from host count.
- CIDR Calculator Calculate usable hosts, CIDR prefix, and subnet mask from host count.
- IP Range Calculator Calculate usable hosts, CIDR prefix, and subnet mask from host count.
- VLAN Calculator Estimate VLAN count from departments, security zones, voice, guest, and management networks.
- Broadcast Domain Calculator Estimate broadcast-domain size and segmentation need.
- WAN Sizing Calculator Size WAN bandwidth for branches or cloud-connected offices.
- Internet Speed Requirement Calculator Estimate internet service speed for a business site.
- Office Network Cost Calculator Estimate office network project cost.
- Home Network Cost Calculator Estimate residential structured network cost.
- Device Count Calculator Estimate total network endpoint count for capacity planning.
- Router Sizing Calculator Size router throughput and session capacity.
- Firewall Sizing Calculator Size firewall inspected throughput and session table.
- Load Balancer Calculator Estimate load balancer capacity for applications.
- DHCP Scope Calculator Size DHCP scope for devices, exclusions, reservations, and growth.
- Public IP Calculator Estimate public IPv4 address requirement.
- NAT Capacity Calculator Estimate NAT session capacity.
- Network Growth Calculator Forecast network endpoint growth.
- Network Upgrade Calculator Evaluate whether an upgrade is required from utilization and growth.
- Network Audit Score Calculator Score network health from documentation, redundancy, security, performance, and lifecycle.
- Network Downtime Cost Calculator Estimate cost of network downtime.
Wi-Fi
- Wi-Fi Coverage Calculator Estimate AP count from floor area, usable AP coverage, and density.
- Access Point Calculator Estimate AP count from floor area, usable AP coverage, and density.
- AP Density Calculator Estimate AP density from user count and client load.
- Wi-Fi Capacity Calculator Estimate Wi-Fi capacity from clients, application demand, and airtime efficiency.
- Wi-Fi Channel Planner Plan non-overlapping channel reuse.
- Wi-Fi Heatmap Estimator Estimate Wi-Fi survey heatmap workload.
- Wi-Fi Roaming Calculator Check roaming overlap and cell-edge signal target.
- Guest Wi-Fi Capacity Calculator Estimate guest Wi-Fi bandwidth and AP count.
- Office Wi-Fi Planner Plan office Wi-Fi from users, area, meeting rooms, and AP density.
- Warehouse Wi-Fi Planner Plan warehouse Wi-Fi for aisles, handheld scanners, and dock areas.
- School Wi-Fi Planner Plan school Wi-Fi for classrooms, common areas, and high-density rooms.
- Hotel Wi-Fi Planner Plan hotel Wi-Fi from rooms, common spaces, and guest density.
- Restaurant Wi-Fi Planner Plan restaurant Wi-Fi for guests, POS, staff, and patio coverage.
- Outdoor Wi-Fi Coverage Calculator Estimate outdoor Wi-Fi AP count from area and radius.
- Mesh Wi-Fi Calculator Estimate mesh node count and backhaul capacity.
Cabling
- Cat6 Cable Length Calculator Estimate cable footage with service loops and waste.
- Cat6A Length Calculator Estimate cable footage with service loops and waste.
- Fiber Distance Calculator Check fiber distance against transceiver reach.
- Fiber Loss Calculator Calculate optical link loss budget.
- Cable Pull Calculator Estimate cable pull effort and crew planning.
- Conduit Fill Calculator Calculate conduit fill percentage.
- Patch Panel Calculator Calculate patch panel port count and rack U.
- Keystone Jack Calculator Estimate keystone jack quantity.
- Cable Label Calculator Estimate labels for cables, patch panels, faceplates, and devices.
- Data Drop Calculator Estimate data drop count by users, rooms, APs, cameras, and spares.
- Rack Cable Capacity Calculator Estimate rack cable manager capacity.
- Cable Bundle Diameter Calculator Estimate cable bundle diameter.
- Cable Cost Calculator Estimate cable material cost.
- Structured Cabling Cost Calculator Estimate structured cabling project cost.
- Cabling Labor Calculator Estimate cabling labor hours.
Racks & Data Rooms
- Rack Size Calculator Estimate rack size with spare capacity.
- Rack U Space Calculator Calculate required rack units from components.
- Rack Weight Calculator Estimate rack load and floor loading.
- UPS Runtime Calculator Estimate UPS runtime from battery energy and load.
- UPS Sizing Calculator Size UPS VA and watt capacity.
- Battery Backup Calculator Estimate battery backup energy requirement.
- Rack Cooling Calculator Estimate heat load and cooling requirement.
- Server Room Power Calculator Estimate server/network room power requirement.
- PDU Load Calculator Calculate PDU load in amps and utilization.
- Equipment Placement Planner Plan equipment placement across rack units.
Access Control & Low Voltage
- Door Access Cost Calculator Estimate installed access-control cost per door.
- Access Control Power Calculator Calculate access-control power supply load.
- Maglock Power Calculator Estimate maglock power and battery load.
- Strike Lock Calculator Estimate electric strike power draw.
- Card Reader Count Calculator Estimate card reader count from doors and traffic flow.
- Credential Cost Calculator Estimate credential cost for staff, visitors, and spares.
- Intercom System Calculator Size intercom system endpoints and bandwidth.
- Gate Access Calculator Estimate gate access equipment and power.
- Low Voltage Project Estimator Build a low-voltage project planning estimate.
- Site Survey Calculator Estimate site survey time and documentation effort.
