UV SPINE CALCULATOR
UV 1K Arrows
Spine Calculator
Please enter the required information below to find the perfect arrow for your setup.
UV 1K Arrows
Please enter the required information below to find the perfect arrow for your setup.
To determine your shaft length subtract 1in from your draw length. (Shaft Length = Draw Length - 1in)
DO NOT include weight adjustments to the Spine Calculator input labeled "Draw Weight". Only use these adjustments when referencing this chart.
Less than 300fps :
Subtract 5lbs from your draw weight
300-330fps :
No adjustments needed
331-351fps :
Add 5lbs to your draw weight
More than 351fps :
Add 10lbs to your draw weight
*Shaft lengths outlined with purple boxes are available to purchase as pre-cut arrows.