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Paint Calculator
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Calculate how many liters of paint you need to cover walls, ceilings, or rooms with any number of coats.
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A Paint Calculator that estimates how many liters of paint you need for a room, accounting for walls, ceiling, doors, and windows. Supports 1–3 coats and shows both 5-liter and 10-liter can requirements with estimated material cost.
How to Use Paint Calculator
Enter room dimensions (length, width, height). Specify the number of doors and windows to subtract, choose whether to include the ceiling, select number of coats, enter coverage per liter (from the paint tin), and set the price. Click Calculate.
Features
- ✓ Wall and ceiling area calculation
- ✓ Door and window subtraction
- ✓ 1 to 3 coat support
- ✓ 5L and 10L can suggestions
- ✓ Estimated material cost
Use Cases
- → Painting a bedroom or living room
- → Buying the right amount of paint
- → Estimating renovation costs
- → Interior painting projects
Frequently Asked Questions
Most interior paints cover 8–12 m² per liter per coat. Check the paint tin for the manufacturer's stated coverage. Premium paints often cover 10–14 m² per liter.
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