Free tool · glass, windows and railings
Sq Ft & Running Ft Calculator
Glass, windows and ACP are priced per square foot; railings per running foot. Enter each panel in feet, inches, millimetres, centimetres or metres and get both totals at once - across up to eight panels.

Sq ft or running ft?
Square feet measure an area: width × height. Glass partitions, windows, mesh, ACP cladding and sheds are priced this way. Running feet measure a length along the floor: railings, handrails and grills along a boundary are priced per running ft, so only the length counts.
| Work | Unit | Measure |
|---|---|---|
| Shower partition, glass cabin | sq ft | Width × height of the glass |
| Windows, sliding doors, mesh | sq ft | Width × height of the opening |
| Balcony and staircase railings | running ft | Length along the floor or the stair |
| Terrace shed, pergola | sq ft | Covered area on plan |
| ACP cladding | sq ft | Area of the face covered |
Converting units
1 ft = 12 in = 304.8 mm. 1 sq m = 10.764 sq ft. A 1,200 × 2,100 mm panel is 3.94 × 6.89 ft, or 27.1 sq ft.
For prices, use the glass partition cost calculator or the full rate card.
Common questions
How do I convert mm to sq ft?
Multiply width by height in mm, then divide by 92,903. A 1,000 × 2,000 mm panel is 2,000,000 ÷ 92,903 = 21.5 sq ft.
What is a running foot?
A length measured along one direction, ignoring height. A 12 ft balcony railing is 12 running ft whether it is 3 ft or 3.5 ft tall.
Should I measure the glass or the opening?
The opening. The fabricator works out the glass sizes from it, allowing for gaps, hinges and channels.
Other free tools
- Glass partition cost calculatorWork out the cost of a shower partition, glass cabin or shop front from its size, at FabWise's published all-inclusive rates for Delhi NCR.
- Glass weight calculatorHow heavy is a glass panel? Enter its size and thickness (5–19 mm) to get its weight in kg, and see which hardware a panel that heavy needs.



