Use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house.
Estimating shingles for a hip roof.
Simply enter your roof dimensions and roof type such as gable or hip and approximate roof pitch.
First subtract 1 1 5 inches 2 5 3 8 cm from the width measurement you just took to account for the thickness of the ridge board which will span the length of the roof between the individual rafters.
This gives us a 3d roof area of 1 625 sq ft.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project.
Estimating other materials 1.
This will make it easy for you to get the ratio needed for your shingles but for other parts of the job you might need something else instead.
Feet inches enter the overhang of the eaves.
Enter appropriate roof pitch slope.
Measure your roof accurately.
It is important to note that each course will have an exposure of 5 inches so you will need to times the number of shingle courses by the number 5 and divide the number by 12 to calculate the measurement of the rakes.
Roof length measured in feet roof width measured in feet roof pitch.
Assuming this is a hip roof we multiply this by 1 1 which gives us roughly 18 squares or 1 800 square feet of the roof surface.
Ft enter a waste factor.
This roof shingle calculator requires four basic inputs.
Inches enter the pitch of the roof.
This metal strip which goes beneath the underlayment protects the edge of the roof from rot.
Roof type either gable or hip using these four inputs you will get several basic outputs.
Roof area measured in sq ft number of squares.
Rise 12 enter the square foot one pack will cover.
3 calculate the span of your center common rafters.
For example you might need a hip roof framing calculator to work out the depth and the range of the frame that is to go up to make sure everything can be cut and prepared to the right size.
Asphalt shingles range in price from about 25 per bundle for a standard 3 tab style to around 50 75 or more for an upgraded architectural style.
Estimate how many roofing nails you ll need.
Measure for drip edge.
Some people will need to work out certain aspects of the job separately so for example you might want to start by looking for a hip roof shingle calculator.
Instructions enter the length of the building.
A hip style roof with a high slope is known as a tented roof.
Feet inches enter the width of the building.
Gauge the amount of hip and ridge.
How to use roof calculator.
Our calculator will help you estimate the amount of roofing shingles needed for your project plus the cost of materials and accessories.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.