About the Door Paint Calculator
Paint needed for doors and frames, counting both faces, edges and the architrave.
Also known as: paint for doors, door and frame paint, gloss paint calculator.
How to use this calculator
- Enter number of doors, door height, door width, paint and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
area = (door faces + frame) × doors, litres = area × coats ÷ coverage
Worked example
Using the values pre-filled in the calculator above:
- Number of doors = 5
- Door height = 1.98 m
- Door width = 0.76 m
- Paint: Both faces
- Coats = 2
- Coverage per litre = 14 m²
- Include frame and architrave: Yes
the calculator returns:
- Paint required: 3.33 litres
- Total area: 23.308 m²
- Area per door: 4.662 m²
- 750 ml tins: 5