Arrow Length Calculator
Match draw length, bow style, and point setup to estimate safe finished arrow length, cut length, and expected build weight.
🏹Arrow Setup Inputs
🧱Material and Spec Comparison Grid
📏Bow-Type Length Adjustment Table
| Bow Type | Base Adjustment | Why It Changes Length | Common Finished Length |
|---|---|---|---|
| Compound | +0.00 in | Center-shot geometry needs least extra. | Draw + 1.00 in |
| Recurve | +1.00 in | Finger release and shelf clearance increase margin. | Draw + 1.75 to 2.25 in |
| Longbow | +1.25 in | Greater paradox and shelf travel requires more shaft. | Draw + 2.00 to 2.50 in |
| Traditional Recurve | +0.75 in | Mixed modern rests with finger release balance. | Draw + 1.50 to 2.00 in |
| Bowfishing Rig | +0.50 in | Heavy points and rapid shots favor a little extra. | Draw + 1.50 in |
🧭Point and Rest Clearance Factors
| Component | Adjustment Formula | Typical Add | Use Case |
|---|---|---|---|
| Fixed Blade Broadhead | +0.35 in | 0.35 in | Extra blade safety in front of rest. |
| Mechanical Broadhead | +0.20 in | 0.20 in | Compact closed profile. |
| Field Point | +0.10 in | 0.10 in | Standard practice and target arrows. |
| Judo Point | +0.25 in | 0.25 in | Spring arms sit farther forward. |
| Bowfishing Point | +0.45 in | 0.45 in | Barbed heads need front overhang. |
| Whisker Biscuit | +0.25 in | 0.25 in | Full-contact rest can benefit from margin. |
| Shelf Rest | +0.50 in | 0.50 in | Traditional shelf setup with larger paradox. |
| Drop-Away Rest | +0.00 in | 0.00 in | Minimal contact at launch. |
📊Draw Length to Arrow Length Reference
| Measured Draw | Compound Baseline | Recurve Baseline | Longbow Baseline |
|---|---|---|---|
| 24.0 in (61.0 cm) | 25.0 in | 26.8 in | 27.1 in |
| 26.0 in (66.0 cm) | 27.0 in | 28.8 in | 29.1 in |
| 28.0 in (71.1 cm) | 29.0 in | 30.8 in | 31.1 in |
| 29.0 in (73.7 cm) | 30.0 in | 31.8 in | 32.1 in |
| 30.0 in (76.2 cm) | 31.0 in | 32.8 in | 33.1 in |
| 31.0 in (78.7 cm) | 32.0 in | 33.8 in | 34.1 in |
🔢Weight Build Check Table
| Shaft GPI | 28 in Shaft Mass | 30 in Shaft Mass | Finished Arrow (100pt + 55 comp) |
|---|---|---|---|
| 6.8 | 190.4 gr | 204.0 gr | 359.0 gr |
| 7.6 | 212.8 gr | 228.0 gr | 383.0 gr |
| 8.8 | 246.4 gr | 264.0 gr | 419.0 gr |
| 9.7 | 271.6 gr | 291.0 gr | 446.0 gr |
| 10.8 | 302.4 gr | 324.0 gr | 479.0 gr |
| 11.5 | 322.0 gr | 345.0 gr | 500.0 gr |
Formula uses: Arrow Length = Draw + Bow Adj + Release Adj + Point Adj + Rest Adj + Safety. Cut Length = Arrow Length - 0.50 in. Weight = (Cut Length × GPI) + Point + Components.
The length of arrow matter for the force of the bow. Long arrow it is possible a longer shot what gives the bow time for boost the dart. This is especially important.
Usually you measure the length of the eventual aspect of the peak until the throat of the nock. If you measure of the valley of the nock until the mark and round to the nearest quarter of inch you receive the right length.
How to Choose the Right Arrow Length
Length usually are 1 until 2 inches more than the draw length. The arrow must not last from the bow during full shot because that is safety problem. Guidelines commonly advise to leave 1-2 inches before the shelf or arrow rest.
Arrow must be at least this long that it surpasses half inch before the rest with field points or in front of the bow with broadheads. Some darts for broadheads stick out so 2 inches before the riser for inhibit friction. A longer basic horizontal line can be safer.
Too long arrow hampers the control especially for newcomers. It so hamper to reach the target do not use arrows this long that they are impractical or clumsy to carry. Long arrow flexes more than short.
If all arrows have same length they attain consistent. At barebow different lengths alter the impact spot. Near distance requires a full length dart with big fletches during distant use short dart with little fletches.
Darts much more short than the draw length strengthen the stiffness. That commonly requires high spine rating. Long arrows a bit reduce the stiffness.
Even so growing length more than 1 inch can cause underspin which taints the accuracy. Shorter arrow weighs less and have less wind resistance what helps to reach bigger distance. New arrow shafts have 32 inches before the cut.
That almost is the maximum shot length. According to draw length such arrow would can stick out a lot before the bow during full shot what creates safety problems. For find safe cut length leave some mark’ the dart at the prior edge of the riser.
