Sizu Home › Calculators › Mitre & Saw Setting
Enter the number of sides, then press Calculate.
From the book — Chapter 6. Interior angle = (n − 2) × 180 ÷ n. Saw setting = 180 ÷ n = 90 − interior ÷ 2. Run per end (long-point to short-point) = stock width ÷ tan(interior ÷ 2).
n = 4 is a normal rectangular frame; higher n gives hexagons, octagons and beyond. Everything stays in your browser — no sign-up, nothing stored.