Fireworks Display Calculator

Shell count and timing for pyrotechnic show duration.

Show Duration (min)

Shell Size (inches)

Shells per Minute

Finale Duration (%)

Cost per Shell ($)

Tab to move between fields

Total Shells

Safety Radius (ft)

280

Main Body Shells51

Finale Shells27

Safety Radius (m)85

Burst Altitude (ft)400

Shells Cost ($)$1,950.00

Total Budget ($)$2,496.00

Noise at 500 ft (dB)114

How to Use This Calculator

Enter the total show duration in minutes and the shell size in inches.
Set the shells-per-minute firing rate and the percentage of show time devoted to the finale.
Input the average cost per shell for your budget estimate.
Review total shell count, NFPA 1123 safety radius in feet, and approximate burst altitude.
Use the total budget output (shells + setup + insurance) for event permitting and planning.

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