Generator compliance is harder
than it should be. We fixed that.
Free calculators built to the exact standard your inspector will check.
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Free Tools
Everything you need to pass the next inspection
Most Used
96-Hour Fuel Rule Calculator
CMS 42 CFR 482.15 fuel reserve compliance with mandatory safety buffer and altitude derating.
Fuel Consumption Calculator
Real fuel burn rates using non-linear load curves, not nameplate guesses.
Generator Runtime Calculator
How long your fuel lasts at real loads, with refueling schedules and cost estimates.
Generator Sizing Calculator
Right-size to actual load with motor starting surge, redundancy, and NEC/NFPA compliance.
SPCC Threshold Calculator
Determine your EPA 40 CFR Part 112 reporting obligation across all tanks.
Maintenance Scheduler
12-month compliance calendar with regulatory checkpoints. Export to PDF, CSV, or ICS.
Built by FuelCare — serving hospitals, data centers, and telecom facilities since 1997.
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