Northeast Archery Labs Tool
Arrow Build Comparison Calculator
Compare three arrow builds side-by-side by total arrow weight, estimated FOC, estimated velocity, and kinetic energy. Enter your bow specs once, then swap shaft, point, insert, wrap, nock, and vane combinations before you build.
Tip: use this as a planning tool, then confirm final arrow weight with a grain scale, velocity with a chronograph, and FOC with a physical balance point measurement.
Straight note: FOC and velocity are estimates. Velocity uses common IBO adjustments for draw length, draw weight, finished arrow weight, and added string weight. Real results can vary by bow model, cam efficiency, tuning, rest contact, peep weight, silencers, loop weight, broadheads, and chronograph conditions. Always validate the finished arrow before hunting or competition use.