Pick a round, set your zero, see the drop. Free tool from brettjoiner.com
Load
Trajectory
Muzzle energy
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Max point-blank (±3")
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Drop at max dist
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Time of flight
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Drop table
👆 Tap a row to open the POA/POI target pre-filled with that distance
Yards
Drop (in)
Drop (MOA)
Velocity (fps)
Energy (ft-lb)
Time (s)
Simplified point-mass model with G1 drag curve, sea-level standard air, no wind. Good for getting on paper — verify with live fire before trusting it past 300 yards.
Factory load lookup
Search 60+ common factory loads. Tap any row to load it into the calculator above.
Caliber
Bullet
Velocity (fps)
BC (G1)
Published manufacturer specs; actual velocity varies by barrel length and lot. Chronograph your load for best results.
Reloading data
Powder
Start (gr)
Max (gr)
Est. velocity (fps)
⚠ Safety: Always start at the minimum charge and work up. Verify against current manufacturer published data — never substitute components. This is reference only, not a substitute for a reloading manual.