RangePrep

Free planning tools that run in your browser, on a phone or a computer. Nothing you enter is uploaded.

Fire Planner

Support-by-fire positions, sectors of fire and TRPs, with angles, overlaps and a KML export.

Mortar Planner

Pick the mortar and charge, place a target on the map, and see the elevation, range band and miss distance.
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Planning aids only. These tools do not produce approved surface danger zones or firing data, and nothing here authorizes anyone to fire. Check every result against the current publications and get it approved by your range safety office. Independent project, not affiliated with or endorsed by the U.S. Army, the U.S. Marine Corps or the Department of Defense.