Studio Matrx Monthly · Volume 1 · Issue 1 · June 2026
Amogh N P
 In loving memory of Amogh N P — Architect · Designer · Visionary 
Door Frame Calculator

Door Frame Cost Calculator

Enter your door opening to get the chowkat running length and a frame price for sal, teak, rubberwood, readymade WPC, steel (IS 4351) or RCC — with fitting and GST. Indicative India 2026; always verify with your carpenter or vendor.

heightwidthrun = 2×ht + width

Your door frame

Section: 100×62 mm section, CP/Burma grade. About ₹800 per running foot.

Running length = (2 × height + width) = 17.5 ft of three-sided frame (two jambs + head; the sill is usually omitted for internal doors). Indicative — confirm section size and rate locally.

Estimated frame cost

0

Teak · 17.5 running ft · incl. GST

Running length

17.5 ft

2×height + width

Frame material

₹14,000

@ ₹800/ft

Fitting

₹1,200

labour

GST (18%)

₹2,736

on supply

  • Frame material14,000
  • Fitting1,200
  • GST2,736

Frame material at this opening

Frame cost only (running length × per-foot rate) for a 3.5 × 7 ft opening — fitting and GST excluded.

Pick the right chowkat for your climate

DesignAI weighs section size, monsoon swelling, termite and coastal salt to recommend the frame material and finish for your door.

Rates are indicative India 2026 and vary by city, vendor, timber grade and section size. Per-foot wood rates assume seasoned timber; readymade WPC/steel frames are priced per set. Always confirm a measured quote before ordering.