Blood Spatter Analysis Calculator
Calculate bloodstain impact angle, area of origin, and droplet velocity from stain dimensions. Uses the sine-ratio method for angle determination.
Inputs
mm
mm
ft
Results
Impact Angle
24.6°
Area of Origin Height
1.83 ft
Estimated Velocity5.32 m/s
Spatter ClassificationMedium Velocity (blunt force)
How to Use This Calculator
- Enter Stain Width, Stain Length, and Distance from Origin.
- Review Impact Angle (°) and Area of Origin Height (ft).
- Use Estimated Velocity (m/s) and Spatter Classification to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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