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Estimate drive link count and chain loop length from nominal bar length, chain pitch, and an adjustable sprocket offset. Use your manufacturer’s chart to confirm pitch, gauge, and exact drive link count before ordering chain.
Last updated: April 17, 2026
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Use the labeled cutting length for your bar, not the mount-only measurement.
Extra links beyond the doubled bar path; tune to match your saw’s manual or an existing chain count.
Drive Links (even)
104
Raw estimate
104
Loop length:
33.80 in
Loop length:
2.817 ft
Safety reminder:
Planning basis
Round(2L / P + offset)
Output
Even drive links
Geometry check
Inches and feet
Example: 16 in bar, 0.325 in pitch, 6 link offset (even count):
104 drive links
The tool estimates how many drive links are needed by approximating the chain path length from twice the nominal bar cutting length, divided by pitch, plus an offset you can tune to match your saw’s geometry. The result is rounded to the nearest even drive link count for practical chain ordering workflows.
Raw links = round((2 × bar inches) / pitch inches + offset)Even links = nearest even ≥ 2Loop length is approximated as even links × pitch. Always verify with OEM data before use.
Even drive links: 104
Loop ≈ 33.80 in
(2.817 ft)
Share it with saw owners planning bar and chain replacements.
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