Fire Flow Calculator
Calculate the required fire flow (water supply) for buildings using the Iowa Formula and NFPA 1142 methods. Essential for fire protection system design.
ft
ft
ft
stories
⚠️
Required Fire Flow
—
—
—
Building Volume
—
cu ft
Floor Area
—
sq ft
Duration
—
minutes
Water Demand
—
gallons
Calculation Breakdown
Step-by-step fire flow analysis
Fire Flow Formulas
Standard fire protection equations
⚠️
Fire Protection Disclaimer: This calculator provides estimates for fire flow requirements. Actual fire flow needs depend on many factors including fire department capabilities, water supply, building construction, and local codes. Always consult with a fire protection engineer for proper system design.