Business and trade mathematics
Nonprofits and community organizations calculators
Compare fundraising receipts with event expense and allocate program cost per participant or visit. Your funding restrictions, shared-cost policy and tax treatment require separate review.
Fundraising event net proceeds
Calculate funds retained after event direct costs and separately allocated overhead.
Open calculator →Program cost per participant
Allocate program expenses over unique participants and service visits.
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.
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 →Appointment utilization and rebooking
Measure booked-time utilization, attended appointments and future rebookings using matching appointment records.
Open calculator →Tuition and session fee proration
Prorate a supplied tuition fee by eligible days or sessions and apply entered fees and credits.
Open calculator →Receivables aging and past due balances
Group remaining invoice balances by calendar days past their supplied due dates.
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 →Budget spent committed and remaining
Reconcile spending and open commitments against a period budget and estimate a simple uncommitted run rate.
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