Weatherstripping Calculator
Calculate the total weatherstripping needed for all your doors and windows.
Supports feet and meters.
Weatherstripping Needed
Weatherstripping seals gaps around doors and windows to prevent drafts and energy loss.
How to calculate:
- Door perimeter:
2 × height + width(bottom is usually a door sweep) - Window perimeter:
2 × (width + height)
Standard sizes:
| Opening | Perimeter |
|---|---|
| Standard door (36"×80") | 16.3 ft |
| Standard window (36"×48") | 14 ft |
| Sliding door (72"×80") | 19.3 ft |
| Small window (24"×36") | 10 ft |
Material types:
- V-strip (tension seal): Best for sides of doors/windows
- Foam tape: Easy DIY, replace yearly
- Door sweep: Bottom of doors only
- Tubular rubber/silicone: Durable, 5+ years
Energy savings: Proper weatherstripping can reduce heating/cooling costs by 5–10%.
Tip: Add 10% extra for waste and overlaps.