Volume of a tetrahedron Calculator

Calculates the volume and surface area of a tetrahedron from six edge lengths.

Volume of a tetrahedron
edge length a1
a2
a3
a4
a5
a6

volume V
    1.  
surface area S
    1.  

    Volume of a tetrahedron
    [1-9] /9Disp-Num
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    [1]  2018/10/02 18:27   Male / 60 years old level or over / A retired person / Very /
    Purpose of use
    Compute the volume of a tetrahedron as part of a statistical analysis of ancient skulls.
    [2]  2018/04/27 10:57   Male / 30 years old level / An engineer / Very /
    Purpose of use
    Confined space volume calculation.
    [3]  2018/01/04 21:38   Male / 30 years old level / Self-employed people / Very /
    Purpose of use
    To measure the volume of a hipped roof to gable roof extension
    Comment/Request
    Is it possible to get a copy of the calculations sheet to use as evidence?
    from Keisan
    Please refer to the following FAQ
    [4]  2016/12/28 05:46   Male / 60 years old level or over / A retired people / Useful /
    Purpose of use
    To transport aliens from a skewed universe into parallel ones and not change their brains.
    [5]  2016/01/31 05:36   Male / 60 years old level or over / A retired people / Very /
    Purpose of use
    Seeking surface to volume ratio for all extremes..
    [6]  2015/02/28 02:14   Male / 30 years old level / Others / Very /
    Purpose of use
    Iam trying to learn myself the principles of multiple variable calculus. I set up and worked out a double integral to find the volume enclosed bij the x, y, z- planes and the plane z=2-y-x. The outcome of my calculation turned out to be 4/3. I needed this tool to check if my answer was right.
    [7]  2015/01/15 22:06   Male / 60 years old level or over / A retired people / Useful /
    Purpose of use
    Tetrahedron volume calculator
    To help calculate the volume of an object who's surface is a closed triangular mesh. I am currently using a different formula than you and am interested to see if it is quicker as the number of triangles gets large.
    Bug report
    While both Tetrahedron volume and surface area calculators produce correct results the formula dislplayed for calculating S2 in the Surface Area formulas is incorrect. It should be:
    S2 = (a2 + a3 + a4) / 2 and not S2 = (a3 + a3 + a4) / 2
    from Keisan
    Thank you for indication. Fixed.
    [8]  2014/02/01 17:26   Male / 40 years old level / Others / Very /
    Purpose of use
    Future need studies
    Comment/Request
    Nice work Alvin
    [9]  2013/04/12 04:33   Male / 60 years old level or over / A teacher / A researcher / Very /
    Purpose of use
    Area & volume of tetrahedron from edge lengths.

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