Updated May 2, 2026
Formelkällor
Formula sources used to check each calculator.
These sources are used as formula checks and background reading.
Cylinder ytarea-kalkylator
SA = 2πr(r + h)
Triangulärt prisma kalkylator
SA = PL + 2B
Rätblock kalkylator
SA = 2lw + 2lh + 2wh
Sfär ytarea-kalkylator
SA = 4πr²
Kon ytarea-kalkylator
SA = πr(r + √(r² + h²))
Pyramid kalkylator
SA = base + lateral faces
Kub kalkylator
SA = 6a²
Trapetsprisma kalkylator
SA = PL + 2B
Rätvinkligt triangulärt prisma
SA = (a + b + c)L + ab
Allmän prismakalkylator
SA = PL + 2B
Ellipsoidkalkylator
SA ≈ 4π[((a^1.6b^1.6 + a^1.6c^1.6 + b^1.6c^1.6) / 3)]^(1/1.6)
Toruskalkylator
SA = 4π²Rr
Kroppsyta-kalkylator
BSA = √(height × weight / 3600)
Poolyta-kalkylator
Area depends on pool shape
Röryta-kalkylator
SA = 2πRL + 2πrL + 2π(R² - r²)
Ihålig cylinder kalkylator
Lateral SA = 2πL(R + r)
Kapselkalkylator
SA = 4πr² + 2πrh
Sfäriskt segment kalkylator
SA = 2πRh + πr²
Stympad kon kalkylator
SA = π(R² + r²) + π(R + r)√((R - r)² + h²)
Cylinder volymkalkylator
V = πr²h
Sfär volymkalkylator
V = (4/3)πr³
Kon volymkalkylator
V = (1/3)πr²h
Kub volymkalkylator
V = a³
Rätblock volymkalkylator
V = l × w × h
Pyramid volymkalkylator
V = (1/3)Bh
Triangulärt prisma volymkalkylator
V = (1/2)bh × L
Areakalkylator
A = l × w
Cirkel areakalkylator
A = πr²
Rektangel areakalkylator
A = l × w
Triangel areakalkylator
A = ½bh
Kvadrat areakalkylator
A = a²
Trapets areakalkylator
A = ½(a + b)h
Kvadratmeter kalkylator
A = l × w
Parallellogram areakalkylator
A = b × h
Ellips areakalkylator
A = πab
Hexagon areakalkylator
A = (3√3/2)a²
Omkretskalkylator
P = 2(l + w)
Omkretskalkylator (cirkel)
C = 2πr
Färgkalkylator
Paint = Area ÷ Coverage
Betongkalkylator
V = l × w × d