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Calcimator

Surface Danger Zone Calculator

Calculate surface danger zone dimensions for range operations from weapon type, firing line width, and target distance.

Inputs

ft
ft
ft

Results

SDZ Depth

5,400 m

≈ 16 Eiffel Towers

SDZ Width880 m
SDZ Area1,174 acres
Weapon Max Range3,600 m
Rear Buffer300 m
Safety Fan at Target102 m
How to Use This Calculator
  1. Enter Weapon Type, Pistol (9mm/.45), and Rifle (5.56mm).
  2. Set Rifle (7.62mm), Shotgun, and Machine Gun.
  3. Adjust Max Effective Range, Target Distance as needed.
  4. Review the SDZ Depth (m) result.
  5. Use SDZ Width (m) and SDZ Area (acres) to inform your decision.

What each input means

Weapon Type
Primary weapon system being fired.
Max Effective Range
Maximum range of the ammunition being used.
Target Distance
Distance from firing line to targets.
Firing Line Width
Width of the firing line.
Number of Firers
Number of shooters on the line simultaneously.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Weapon Type = 1, Max Effective Range = 3600, Target Distance = 300, Firing Line Width = 50 = 5 input(s) provided
  2. Calculate SDZ Depth
    SDZ Depth
    5400 = 5400
  3. Calculate SDZ Width
    SDZ Width
    880 = 880
  4. Calculate SDZ Area
    SDZ Area
    1174 = 1174

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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