FenceTally is a set of free, no-signup calculators for planning a fence. Enter your run length and it works out materials, post count and length, concrete bags, picket spacing, stain, and total cost per linear foot — for wood, vinyl and chain link. Built for DIY homeowners who just want the numbers before a lumber-yard trip. Mobile-friendly, no email gate. Also includes plain-English guides on post depth, spacing and choosing a material.