Kai Roofing Calculator
Calculate the surface area of your roof
Login
Register
Home
(current)
Roof Pitch
Shed roof
(current)
Gable roof
(current)
Hip roof
(current)
More roofs
Hip roof (2)
(current)
Cross Gabled roof
(current)
Cross Hipped roof
(current)
Mixed Hipped and Gabled roof
(current)
U shaped roof
(current)
Roofing Materials
(current)
Custom roof shape
Geometry Calculator
Articles
How to calculate the roof area from house area and pitch
(current)
How to calculate the pitch from rise and run
(current)
Roofing contractors
(current)
How to calculate the roof area of a gabled roof
(current)
Forum
NEW
Units:
ft
m
yd
in
cm
Success!
Home
U Shaped roof area calculator
Roof area calculator
-
U Shaped
No pitch required (how
)
Simple roof
One small dormer
One large dormer
Two small dormers
Two large dormers
Mixed dormers
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D
Your roof dimensions:
L1
L2
L3
l
H
Calculate
*
L
is the length of the roof
*
l
is the width of the roof
*
H
is the rise (height) of the roof (
3D image
)
* For decimal dimensions, use the dot notation! (
.
)
Total Roof area:
...
Roof Shingles
Roof Lengths
AK = KG = BL = LF =
...
CD = DE = HI = IJ =
...
AB =
...
BC =
...
EF =
...
FG =
...
GH =
...
AJ =
...
IK =
...
KL =
...
DL =
...
Roof Surfaces
ABLK =
...
BCDL =
...
DEFL =
...
FGKL =
...
GHIK =
...
AJIK =
...
Roof Slopes
ABLK = BCDL = DEFL = FGKL = GHIK = AJIK
Slope Grade =
... %
Angle =
... deg
Pitch =
... x12
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D
Your roof dimensions:
L1
L2
L3
l
H
Small dormer:
Lu 0
Lu 1
h
Calculate
*
L
is the length of the roof
*
l
is the width of the roof
*
H
is the rise (height) of the roof (
3D image
)
* For decimal dimensions, use the dot notation! (
.
)
Total Roof area:
...
Roof Shingles
Roof Lengths
AK = KG = BL = LF =
...
CD = DE = HI = IJ =
...
AB =
...
BC =
...
EF =
...
FG =
...
GH =
...
AJ =
...
IK =
...
KL =
...
DL =
...
Roof Surfaces
ABLK =
...
BCDL =
...
DEFL =
...
FGKL =
...
GHIK =
...
AJIK =
...
Roof Slopes
ABLK = BCDL = DEFL = FGKL = GHIK = AJIK
Slope Grade =
... %
Angle =
... deg
Pitch =
... x12
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D
Your roof dimensions:
L1
L2
L3
l
H
Large dormer:
Lu 0
Lu 1
Lu 2
h
Calculate
*
L
is the length of the roof
*
l
is the width of the roof
*
H
is the rise (height) of the roof (
3D image
)
* For decimal dimensions, use the dot notation! (
.
)
Total Roof area:
...
Roof Shingles
Roof Lengths
AK = KG = BL = LF =
...
CD = DE = HI = IJ =
...
AB =
...
BC =
...
EF =
...
FG =
...
GH =
...
AJ =
...
IK =
...
KL =
...
DL =
...
Roof Surfaces
ABLK =
...
BCDL =
...
DEFL =
...
FGKL =
...
GHIK =
...
AJIK =
...
Roof Slopes
ABLK = BCDL = DEFL = FGKL = GHIK = AJIK
Slope Grade =
... %
Angle =
... deg
Pitch =
... x12
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D
Your roof dimensions:
L1
L2
L3
l
H
Small dormer:
Lu 0
Lu 1
h
Small dormer 2:
Lu 3
Lu 4
h 2
Calculate
*
L
is the length of the roof
*
l
is the width of the roof
*
H
is the rise (height) of the roof (
3D image
)
* For decimal dimensions, use the dot notation! (
.
)
Total Roof area:
...
Roof Shingles
Roof Lengths
AK = KG = BL = LF =
...
CD = DE = HI = IJ =
...
AB =
...
BC =
...
EF =
...
FG =
...
GH =
...
AJ =
...
IK =
...
KL =
...
DL =
...
Roof Surfaces
ABLK =
...
BCDL =
...
DEFL =
...
FGKL =
...
GHIK =
...
AJIK =
...
Roof Slopes
ABLK = BCDL = DEFL = FGKL = GHIK = AJIK
Slope Grade =
... %
Angle =
... deg
Pitch =
... x12
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D
Your roof dimensions:
L1
L2
L3
l
H
Large dormer:
Lu 0
Lu 1
Lu 2
h
Large dormer 2:
Lu 4
Lu 5
Lu 6
h 2
Calculate
*
L
is the length of the roof
*
l
is the width of the roof
*
H
is the rise (height) of the roof (
3D image
)
* For decimal dimensions, use the dot notation! (
.
)
Total Roof area:
...
Roof Shingles
Roof Lengths
AK = KG = BL = LF =
...
CD = DE = HI = IJ =
...
AB =
...
BC =
...
EF =
...
FG =
...
GH =
...
AJ =
...
IK =
...
KL =
...
DL =
...
Roof Surfaces
ABLK =
...
BCDL =
...
DEFL =
...
FGKL =
...
GHIK =
...
AJIK =
...
Roof Slopes
ABLK = BCDL = DEFL = FGKL = GHIK = AJIK
Slope Grade =
... %
Angle =
... deg
Pitch =
... x12
* This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). The image is for general informational purpose.
3D
Your roof dimensions:
L1
L2
L3
l
H
Large dormer:
Lu 0
Lu 1
Lu 2
h
Small dormer:
Lu 4
Lu 5
h 2
Calculate
*
L
is the length of the roof
*
l
is the width of the roof
*
H
is the rise (height) of the roof (
3D image
)
* For decimal dimensions, use the dot notation! (
.
)
Total Roof area:
...
Roof Shingles
Roof Lengths
AK = KG = BL = LF =
...
CD = DE = HI = IJ =
...
AB =
...
BC =
...
EF =
...
FG =
...
GH =
...
AJ =
...
IK =
...
KL =
...
DL =
...
Roof Surfaces
ABLK =
...
BCDL =
...
DEFL =
...
FGKL =
...
GHIK =
...
AJIK =
...
Roof Slopes
ABLK = BCDL = DEFL = FGKL = GHIK = AJIK
Slope Grade =
... %
Angle =
... deg
Pitch =
... x12
Comments:
#
Posts are reviewed by an admin beofore showing on the website.
Display name
Cancel
Save
Comments:
#