There is a number of online tribology, contact mechanics and lubrication related calculators available on tibonet and they are listed in this table. If you would like to add a calculator, please contact us.

EHL film thickness calculator for a line contact. Calculates the central and minimum film thicknesses as a function of entraining speed and plots on a graph | Central Film Thickness Calculator – Line Contact |

EHL film thickness calculator for an elliptical (point contact). Calculates the central and minimum film thicknesses as a function of entraining speed and plots on a graph | EHL Film Thickness Calculator - Elliptical (Point) Contact |

A simple Hertz contact calculator for elliptical and circular contacts. Matlab version is also available. | Hertz Pressure Calculator – Line Contact |

Calculate Hertzian Subsurface Stresses in Contact of Two Cylinders | Hertzian Subsurface Stress Calculator - Line Contact |

This is a simple Hertz contact calculator for elliptical and circular contacts. A corresponding Matlab file can also be downloaded. | Hertz Pressure Calculator - Elliptical and Point Contacts |

Calculate pressure and indent in contact of an elliptical flat punch and a flat | Indentation by an elliptical flat punch |

Calculate Vickers Hardness from the known load and indent diameter | Hardness Calculation – Vickers Indenter |

Calculate Brinell Hardness Number | Hardness Calculation – Brinell Indenter |

Calculate Knoop Hardness Number | Hardness Calculation – Knoop Hardness Number |

Calcuate Adhesion and Pull-Off Forces | Adhesion and Pull-Off Forces Calculator |

Calculate Pressure in Contact with Sinusoidal Surface, 1D | Online Calculator – Indentation of Elastic Body by Sinusoidal Surface |

Calculate Pressure and Displacement for Rigid Cylindrical Indenter - Flat Contact | Rigid Flat Punch Calculator |

Indentation of elastic half-space by a conical indenter | Calculate pressure and displacement in a contact of a cone and elastic flat |

Indentation of elastic half-space by a truncated conical indenter | Calculate pressure and displacement in a contact of a truncated cone and elastic flat |

Indentation of elastic half-space by a conical indenter with a parabolic cap | Calculate pressure and displacement in a contact of a cone with parabolic cone and elastic flat |

Indentation of elastic half-space by a truncated paraboloid | Calculate pressure and displacement in a contact of a truncated paraboloid and elastic flat |

Stribeck curve calculator for line contacts | Calculate friction in mixed lubrication regime for a line contact |

Stribeck curve calculator for elliptical contacts | Calculate friction in mixed lubrication regime for an elliptical contact |