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RUMAH & DIY

Kalkulator Kemiringan Atap (Roof Pitch)

Hitung rasio kemiringan atap (misal 4:12 atau 6:12), sudut kemiringan dalam derajat (°), persentase kelandaian, dan panjang kaso atap (rafter) berdasarkan bentang lebar atap.

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Pratinjau

Input kemiringan

Ukuran atap

Hasil

Kemiringan
6:12
Sudut
26.57°
Kecuraman
50%
Pengali kemiringan
1.12×
Panjang kemiringan terukur
13.42
Panjang kasau utama
17.89 ft
Panjang bubungan
42 ft
Luas permukaan atap
1,502.64 ft²
Luas dengan cadangan sisa material
1,652.9 ft²

Perkiraan untuk atap pelana simetris. Konfirmasikan dimensi struktural dan persyaratan lokal dengan profesional yang berkualifikasi.

Cara kerja

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Apa itu Kalkulator Kemiringan Atap (Roof Pitch)?

Calculate roof pitch online from rise and run or degrees. Get x:12 pitch, slope percentage, multiplier, common rafter length, ridge length, and gable roof area.

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How to calculate roof pitch

Convert rise and run or an angle into x:12 pitch, degrees, slope percentage, rafter length, and roof surface area.

Pitch conversions

A 6:12 pitch rises 6 units for every 12 units of horizontal run. That equals a 50% slope and an angle of about 26.57 degrees. The slope multiplier converts horizontal distance into sloped distance.

Roof area

For a symmetrical gable roof, the calculator adds eave and gable overhangs, calculates both roof planes, and then applies the selected waste allowance.

How to use it

  • Enter measured rise and run, or switch to an angle.
  • Choose feet or meters and enter building dimensions.
  • Add eave and gable overhangs.
  • Review pitch, rafter, ridge, area, and area with waste.

Calculated locally

All roof dimensions and calculations remain in your browser and are never uploaded.

Pertanyaan yang Sering Diajukan (FAQ)

What does 6:12 roof pitch mean?

The roof rises 6 units for every 12 units of horizontal run. The units can be inches, centimeters, or any consistent measurement.

Does roof area include both sides?

Yes. The area result covers both planes of a symmetrical gable roof, including entered overhangs.

Can I use the result to cut structural rafters?

Use it as an estimate only. Cuts, ridge thickness, structural loads, codes, and field conditions require project-specific verification by a qualified professional.

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