Speargun Stretch Factor Chart

Mathematical stretch-factor examples only.

Values below show ratio math (stretched length divided by relaxed length) and are not performance or setup recommendations.

Stretch factor to loaded-length percentage

Reference examples only. No value in this table is marked as recommended.

Stretch factor	Equivalent loaded length
2.5×	250% of relaxed length
2.6×	260% of relaxed length
2.7×	270% of relaxed length
2.8×	280% of relaxed length
2.9×	290% of relaxed length
3.0×	300% of relaxed length
3.1×	310% of relaxed length
3.2×	320% of relaxed length
3.3×	330% of relaxed length
3.4×	340% of relaxed length
3.5×	350% of relaxed length
3.6×	360% of relaxed length
3.7×	370% of relaxed length
3.8×	380% of relaxed length
3.9×	390% of relaxed length
4.0×	400% of relaxed length