Walls & Ceiling
Room or area dimensions. Openings are subtracted automatically.
m
m
×
ea
ea
m
m
m²
m²
m²/L
Walls & Ceiling — Result
Paintable area
– m²
Paint needed
– L
Rounded up to the nearest tin size on the Materials tab.
Trim & Doors
Skirting, architraves and door/window faces — usually enamel, priced separately from wall paint.
lm
mm
ea
ea
L
L
×
m²/L
Trim & Doors — Result
Trim area
– m²
Enamel needed
– L
Materials Cost
Wall/ceiling paint, trim enamel, primer and sundries.
L
$/L
L
$/L
L
$/L
$
Materials — Result
Paint + enamel
– $
Primer + sundries
– $
Materials total
$–
Labour & Total
Hours are estimated from paintable area — adjust to suit access, height and surface condition.
m²
m²/hr
$/hr
%
$
Job Estimate
Labour hours
– hrs
Labour cost
– $
Total estimate
$–
Estimate only — condition, access and colour changes (light-to-dark coverage) can shift the real cost.
Painting Calculator is a free tool from Wiesner Enterprises NZ.