Business and trade mathematics
Security and low voltage calculators
Budget devices, cable and installation labor from a verified security or low-voltage design. Coverage, system suitability and electrical requirements are not designed by these tools.
Security and low voltage installation budget
Budget device and cable materials, installation labor and allocated project costs from a supplied design.
Open calculator →CCTV storage bandwidth and recording time
Calculate storage from supplied average recording bitrates, recording hours and retention days.
Open calculator →Battery backup energy runtime
Estimate constant-load backup duration from supplied battery energy and real-watt loads.
Open calculator →Service business hourly rate
Recover annual overhead and owner compensation across billable hours.
Open calculator →Job profit and margin
Reconcile a completed job using actual revenue and actual costs.
Open calculator →Employee loaded hourly cost
Turn user-entered annual compensation and burdens into productive-hour cost.
Open calculator →Recurring service route customer capacity
Calculate recurring-customer capacity from crew visit time, travel and service frequency for mowing, pest control, pool service and other field routes.
Open calculator →Service callback and warranty visit cost
Budget the recorded cost of nonbillable return visits using supplied labor, travel and parts expense.
Open calculator →Area and square footage
Measure rectangles, triangles, circles and trapezoids; combine sections and subtract cutouts to find net square footage.
Open calculator →Feet and inches
Add or subtract two measurements, or multiply one length by a count, with fractional-inch entry and decimal conversions.
Open calculator →Time duration
Find time between two clock readings, including an explicit end-day offset and optional excluded minutes.
Open calculator →Timesheet hours
Add shift hours from clock-in and clock-out readings, overnight flags and explicitly unpaid breaks, with an optional straight-rate amount.
Open calculator →Receivables aging and past due balances
Group remaining invoice balances by calendar days past their supplied due dates.
Open calculator →Recurring service agreement renewal
Measure renewal and revenue changes for a fixed cohort of service agreements coming due.
Open calculator →Repair estimate acceptance and followup workload
Measure acceptance of a fixed repair-estimate cohort and its associated quoted work value.
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