gr
Select from database or enter custom weight in grains, then lock to begin logging
1
fps
Enter a valid grain weight first
Shot Log
No shots logged yet — lock grain weight and enter FPS to begin
No shots logged yet
Lock a grain weight above and enter an FPS reading to start building your shot string
Session Stats
Log shots to see statistics
Shot Count
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Avg FT/LB
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Avg FPS
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Peak FT/LB
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Min FT/LB
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FT/LB Spread
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Formula Reference
FT/LB = (gr × FPS²) ÷ 450,240
Joules = FT/LB × 1.35582