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Custom Fin Pricing Calculator

Quick, back-of-the-envelope pricing for CNC-cut fins. Uses $/inch routed + material cost from sheet. Change any defaults to match your shop.

Fin Geometry (Trapezoid Approx.)

Root Chord (in) Tip Chord (in) Span (in) Quantity (fins)

Override cut length per fin

Shop Pricing

Routing Rate ($/in) Setup Fee ($) Sheet Width (in) Sheet Height (in) Sheet Price ($) Waste / Nesting Allowance (%) Shop Markup (%) Tax (%)

Material cost uses sheet price divided by sheet area × fin area × (1 + waste%). Markup applies to subtotal (material + routing + setup). Tax applies last.

Geometry & Area

Area / fin: —

Perimeter (auto) / fin: —

Cut length used / fin: —

Cost Breakdown

Material: —

Routing: —

Setup: —

Subtotal (pre‑markup): —

Markup: —

Tax: —

Totals

Grand Total: —

Per Fin: —

Per Set (Qty): —