Broadhead Weight Calculator for Arrow Setup

Broadhead Weight Calculator

Estimate total arrow weight, FOC balance, and momentum before you finalize your hunting setup.

🏹Setup Presets

📏Arrow Build Inputs

Total Arrow Weight
0 gr
0 g
Estimated FOC
0%
Balanced
Broadhead Share
0%
Of total arrow mass
Momentum Estimate
0 slug‑ft/s
0 kg·m/s

Component Spec Grid

5.5
gr/in
Ultra-light Carbon
7.5
gr/in
Midweight Carbon
9.5
gr/in
Heavy Carbon
11.5
gr/in
Micro-diameter Build
20
gr
Light Insert
50
gr
Standard Insert
75
gr
Brass Insert
125
gr
Heavy Outsert

📊Reference Tables

Broadhead WeightUse CaseFOC ShiftTypical Total Arrow
75 gr3D, high speed bowsVery low300–380 gr
100 grGeneral deer setupModerate380–460 gr
125 grMixed big gameModerate-high430–540 gr
150 gr+Heavy bone penetrationHigh500–700 gr
Grains Per Pound (gpp)Speed TrendNoise/VibrationBest Fit
4.5–5.5 gppFastestHigher3D and practice
5.5–6.5 gppFastModerateWhitetail hunting
6.5–8.0 gppBalancedLowerAll-around big game
8.0+ gppSlowestLowestHeavy penetration
FOC RangeStabilityTrajectoryCommon Build
7–10%UsableFlatterLight front setups
10–13%Very stableBalancedMost hunting arrows
13–16%High stabilitySlight arcInsert + 125 gr head
16–20%Max front biasMore arcHigh FOC tuning
Preset ProjectDraw WeightBroadheadTypical Outcome
Whitetail compact60 lb100 gr~420 gr total
Western elk setup70 lb125 gr~500 gr total
Boar penetration68 lb125 gr~530 gr total
Traditional heavy55 lb145 gr~580 gr total
Tip: Change broadhead weight in 25 gr steps, then recheck broadhead spin and paper tune so FOC gains do not hide flight issues.
Tip: Keep your final grains-per-pound in a safe band for your bow model and verify velocity with a chronograph before field broadhead grouping.
Calculator outputs are estimates for tuning direction. Confirm final safety and performance with your bow manufacturer specs and real chrono data.

Choosing the right weight of broadhead, you care about good arrow flight. Heavier arrows require more time to reach the mark B. At draw force under 55 pounds, you commonly best operate broadhead of 100 grains, because it gives bigger arrow haste. Also you commonly chooses 100-grain broadheads, because they most easily get, when you requires several.

You uses them chiefly with 5 mm, 6 mm and 6.5 mm arrows.

Pick the Right Broadhead Weight for Good Arrow Flight

Add weight before the arrow help lot. More mass before improves the FOC, so the front center. Change to 125- or 150-grain heads strengthen weight and FOC, what can help penetrate more well.

But new weight alters the arrow spine and point of impact. That requires to set the sight. Heavier broadhead can conceal, that arrows attain a bit more below in long distances.

In 30 yards or more closely it does not matter a lot, but long it shows.

At mechanical broadheads part of the kinetic energy uses for open the blades during impact. Without sufficient impulse the arrow does not penetrate well. For crossbow users answer 150-grain broadheads, while 125-grain one uses at compound bows.

Some lays 100-grain field tips or weights when they design crossbow arrows for good flight.

Superbly value to benchmark various weights. Prove with 100- and 125-grain heads show, as arrows fly. From compounds and crossbows shoot heavy arrows are very liked.

Easily and cheerfully you spermentas by means of different weights using various target points. Too heavy head can weaken the spine. Clearly you first counts by means of spine chart or program.

Paper test shooting confirm, that the flight stays good.

One mixes bits for reach wanted weight. 50-grain insert goes with 100-grain heads. 25-grain footer adds mass and set the insert, so that it do not bundle in the tube.

At recurve bows heavier arrow always helps, if it flies well. Some intends entirely 500 grains or more from arrow, insert and broadhead. 100-grain broadhead with extra weight before is other mode control the mass.

Broadhead Weight Calculator for Arrow Setup

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