Draw Length Calculator
Enter height, wingspan, or a cam / AMO number you already know. The estimate updates as you type. Wingspan ÷ 2.5 is the main formula. Height uses the same math only when you have not measured wingspan. Confirm the number on the bow before you cut carbon in the 3D custom arrow builder.
Draw length calculator
Numbers update as you type. This is a starting estimate — confirm with a full-draw mark on the bow.
- From wingspan
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- From height
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- Recommended draw
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- Starting cut
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Enter height, wingspan, or a measured AMO.
Recurve and longbow hunters: use the same math, then add more extra for shelf clearance on the traditional draw-length page.
Related resources: arrow calculators, how to measure compound draw length, how to measure traditional draw length, arrow spine calculator, 3D custom arrow builder.