Engineering Made Simple
Professional engineering calculators and pipe data reference at your fingertips. Unit conversions, surface areas, volumes, and comprehensive piping data — all in one place.
All Modules
Unit Converter
Convert between engineering units
Surface Area
Calculate surface areas of shapes
Volume
Calculate volumes of 3D shapes
Interpolation
Linear interpolation between two values
Flanges
ASME B16.5 Flange Dimensions
Fittings
Butt Weld, Threaded & Socket Weld Fittings
Gaskets
Nonmetallic Flat, Spiral-Wound & Ring-Joint
Valves
Flanged, BW, Threaded & SW Valves
Line Blanks
ASME B16.48 Line Blanks
Pipe
ASME B36.10M/19M Pipe Dimensions
Equal Angle (ISA)
ISA Equal Angle Section Properties
Unequal Angle (ISA)
ISA Unequal Angle Properties
ISJB (Indian Std Junior Beam)
Indian Standard Junior Beams
ISLB (Indian Std Light Beam)
Indian Standard Light Weight Beams
ISMB (Indian Std Medium Beam)
Indian Standard Medium Weight Beams
ISWB (Indian Std Wide Flange Beam)
Indian Standard Wide Flange Beams
ISHB (Indian Std Heavy Beam)
Indian Standard Heavy Weight Beams
ISJC (Indian Std Junior Channel)
Indian Standard Junior Channels
ISLC (Indian Std Light Channel)
Indian Standard Light Weight Channels
ISMC (Indian Std Medium Channel)
Indian Standard Medium Weight Channels
ISNT (Indian Std Normal Tee)
Indian Standard Normal Tee Bars
ISHT (Indian Std Heavy Tee)
Indian Standard Heavy Tee Bars
ISST (Indian Std Short-leg Tee)
Indian Standard Short-leg Tee Bars
ISLT (Indian Std Light Tee)
Indian Standard Light Weight Tee Bars
ISJT (Indian Std Junior Tee)
Indian Standard Junior Tee Bars
UB (Universal Beam)
Universal Beams (Parallel Flange)
UC (Universal Column)
Universal Columns (Parallel Flange)
Pipe Hydrotest Pressure
Pipe hydrotest pressure calculation
Pipe Pneumatic Test Pressure
Pipe pneumatic test pressure calculation
PV Internal Pressure Thickness
Pressure vessel - Internal pressure thickness
PV Nozzle Reinforcement (R-Pad)
Pressure vessel - Nozzle reinforcement
PV Hydrotest Pressure
Pressure vessel - Hydrotest pressure calculation
PV Pneumatic Test Pressure
Pressure vessel - Pneumatic test pressure calculation
General Properties of Materials
General properties of engineering materials
Linear & Angular Tolerance
Linear and angular tolerance reference
Welding Symbology
AWS A2.4 Standard Symbols for Welding
Blog
Engineering articles and insights