Business and trade mathematics
Public service operations calculators
Allocate a supplied operating budget over consistent service units and compare it with funding or receipts. No lawful fee, procurement method or mandated service level is determined.
Public service unit operating budget
Allocate a service budget over units delivered and calculate its funding gap.
Open calculator →Budget spent committed and remaining
Reconcile spending and open commitments against a period budget and estimate a simple uncommitted run rate.
Open calculator →Equipment ownership cost per hour
Recover economic ownership and running cost at realistic utilization.
Open calculator →Employee loaded hourly cost
Turn user-entered annual compensation and burdens into productive-hour cost.
Open calculator →Break even sales
Find units and revenue needed to cover fixed costs.
Open calculator →Property repair replacement reserve
Fund a user-entered list of replacement amounts and dates.
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 →Service ticket capacity and backlog
Compare helpdesk or public-service ticket arrivals with supplied completion capacity or actual closures.
Open calculator →Event tables chairs and linen quantities
Calculate seating furniture and linen counts from a chosen seating layout and supplied reserve quantities.
Open calculator →Venue rental additional hour charges
Apply a supplied booking fee and rounded extra-time policy to a known rental duration.
Open calculator →Donor cohort retention and giving
Compare returning donors and their gifts with the same previous-period donor cohort.
Open calculator →Pledge collection and fundraising goal
Separate a fundraising goal, recorded pledges and cash actually collected toward those pledges.
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