Forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more
• Threads
Thread data - metric, unified, ACME and others
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• Fasteners
Bolts, nuts and threaded rods - torque, tension and loads
Acceleration of Gravity and Newton's Second Law
Acceleration of gravity and Newton's Second Law - SI and Imperial units
Acceleration Units Converter
Convert between units of acceleration
American Standard Beams - S Beam
American Standard Beams ASTM A6 - Imperial units
American Wide Flange Beams
American Wide Flange Beams ASTM A6 in metric units
American Wide Flange Beams - W Beam
Dimensions of American Wide Flange Beams ASTM A6 - Imperial units
Area Moment of Inertia - Converter
Convert between Area Moment of Inertia units
Area Moment of Inertia - Typical Cross Sections I
Area Moment of Inertia, Moment of Inertia for an Area or Second Moment of Area for typical cross section profiles
Area Moment of Inertia - Typical Cross Sections II
Area Moment of Inertia, Moment of Inertia for an Area or Second Moment of Area for typical cross section profiles
Beam Loads - Support Force Calculator
Calculate beam load and supporting forces
Beams - Fixed at Both Ends - Continuous and Point Loads
Support loads, stress and deflections
Beams - Fixed at One End and Supported at the Other - Continuous and Point Loads
Support loads, moments and deflections
Beams - Supported at Both Ends - Continuous and Point Loads
Support loads, stress and deflections
Belt Transmissions - Length and Speed of Belt
Length and speed of belt and belt gearing
Belts - Power Transmission and Efficiency
Calculate belts power transmission and efficiency
Bollard Force
Rope friction around a pole - load and effort force in rope around a bollard
British Universal Columns and Beams
Properties of British Universal Steel Columns and Beams
Cable Loads
Force and tension in cables with uniform loads
Car Acceleration
Calculate acceleration of car
Center Mass
Calculate position of center mass
Center of Gravity
Bodies and their center of gravity
Center of Gravity and Buoyancy
Stability - center of gravity and center of buoyancy
Centripetal and Centrifugal Force - Acceleration
Centripetal and centrifugal acceleration - forces due to circular motion
Conn-Rod Mechanism
The connecting rod mechanism
Conservation of Momentum
Momentum of a body is defined as the product of its mass and velocity - recoil calculator
Density, Specific Weight and Specific Gravity
An introduction to density, specific gravity and specific weight - formulas with examples
Disk Brakes - Force and Torque
Force and torque by activated disk brakes
Drawbridge Elevation - Forces and Moments
Calculate elevation moment for a drawbridge or a beam
Efficiency of Small Machine Elements
Friction and efficiency in bearings and roller chains
Elevator - Force and Power
Required force and power to lift an elevator
Energy
Energy is the capacity to do work
Engineering Materials
Typical properties of engineering materials like steel, plastics, ceramics and composites
Equilibrant
The force required to keep a system of forces in equilibrium
Fibre-reinforced Polymer Composites
Mechanical properties of fibers used to reinforce polymer composites
Flywheel Kinetic Energy
Kinetic energy stored in a flywheel - moment of inertia
Force
Newton's third law - mass and acceleration
Force acting on Body Moving in Horizontal Plane
The force acting on a body moved in the horizontal plane
Force and Tension in Rope due to Angle
Reduced load capacity in ropes, cables or lines - due to angle
Force Ratio
Force ratio - load force versus effort force
Forces Acting on Body Moving on an Inclined Plane
Required force to move a body up an inclined plane
Formulas of Motion - Linear and Circular
Linear and angular (rotation) acceleration, velocity, speed and distance
Friction and Friction Coefficients
The friction theory and friction coefficients at different conditions for various of materials like ice, aluminum, steel, graphite and other common materials and materials combinations
Gear Reducing Formulas
Output torque, speed and horsepower when using gears
Gear Trains - Bicycle Gearing Calculator
Gear train transmission - bicycle gearing
Gears
Gears and effort force
Harmonic Oscillator
A simple harmonic oscillator
HE-A Steel Beams
Properties of HE-A profiled steel beams
HE-B Steel Beams
Properties of HE-B profiled steel beams
HE-M Steel Beams
Properties of HE-M profile steel beams
Hooke's Law
Hooke's law - force, elongation and spring constant
Hot Air Balloon - Lifting Force
Calculate potential lifting force in hot air volume
Improvised Torque Wrench
Improvised torque wrench with luggage scale
Impulse and Impulse Force
Forces acting a very short time are called impulse forces
ISO 2841 - Spark Plugs Metric Threads
Metric threads spark plugs according ISO 28741
Kinetic Energy
Kinetic energy of a rigid body is the energy possessed by its motion
Levers
Use levers to magnify forces
Lifting Wheels
Lifting wheels - loads and effort force
Mass Moment of Inertia
Mass Moment of Inertia (Moment of Inertia) depends on the mass of the object, its shape and its relative point of rotation - Radius of Gyration
Mass vs. Weight
Mass vs. weight - the Gravity Force
Metric Bolts - Minimum Ultimate Tensile and Proof Loads
Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads
Metric Nuts - Proof Loads
Proof loads of metric nuts - coarse and fine threads
Metric Steel Bolts - Grades and Property Classes
Metric steel bolts, screws and studs - proof and tensile strength
Modulus of Rigidity
Shear Modulus (Modulus of Rigidity) is the elasticity coefficient for shearing or torsion force
Motors and Pulley Selection
Pulley (Sheave) selection charts for motors ranging 850 - 3450 rpm
Movement Ratio
Machines and movement ratio (velocity ratio)
Normal Flange I Beams
Properties of normal flange I profile steel beams
Poisson's ratio
When a material is stretched in one direction it tends to get thinner in the other two directions
Poisson's Ratio for Metals
Some metals and their Poisson's Ratio
Potential Energy
Hydropower - elevation and potential energy
Power
Power is the rate at which work is done or energy converted
Pulleys
Pulleys, blocks and tackles
Pulleys - Diameters and Speed
The pulley laws - driver and driven - diameter and rpm
Radian
The radian - unit of angle - and angular velocity
Radius of Gyration in Structural Engineering
Radius of gyration is used to describe the distribution of cross sectional area in a column around its centroidal axis
Range of a Projectile
Motion in two dimensions - calculate the range of a projectile
Rolling Resistance
Rolling friction and rolling resistance
Rotating Shafts and Torques
Mechanical Engineering Calculator App
Torsional moments acting on rotating shafts
Screw Jacks
Screw jacks and effort force
Section Modulus - Unit Converter
Convert between Elastic Section Modulus units
Steel Bolts - ASTM Grades
ASTM steel bolts - proof and tensile strength
Steel Bolts - SAE Grades
SAE steel bolts - grades ranging grade 1 to 8.2 - proof and tensile strength
Steels - Endurance Limits and Fatigue Stress
Endurance limits and fatigue stress for steels
Stiffness
Stiffness is resistance to deflection
Stress
Mechanical Engineering Calculator Free
Stress is force applied on cross-sectional area
Stress in Thick-Walled Cylinders - or Tubes
Radial and tangential stress in thick-walled cylinders or tubes with closed ends - with internal and external pressure
Stress in Thin-Walled Tubes or Cylinders
Hoop and longitudinal stress thin-walled tubes or cylinders
Stress, Strain and Young's Modulus
Stress is force per unit area - strain is the deformation of a solid due to stress
Support Reactions - Equilibrium
Static equilibrium is achieved when the resultant force and resultant moment equals to zero
Thermal Expansion - Stress and Force
Stress and force when thermal expansion is restricted
Three-Hinged Arches - Continuous and Point Loads
Support reactions and bending moments
Toggle Joint
A toggle joint mechanism can be used to multiply force
Torque - Work done and Power transmitted
The work done and power transmitted by a constant torque
Torque or Moment of Force - Online Converter
Torque or moment - the tendency of a force to rotate an object
Torsion of Shafts
The torsion of solid or hollow shafts - Polar Moment of Inertia of Area
Trusses
Common types of trusses
UNC and UNF - Unified Inch Screw Threads
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series
Universal Gravitational Law
The gravitational attraction between two objects depends on the mass of the objects and the distance between them
Vector Addition
Online vector calculator - add vectors with different magnitude and direction - like forces, velocities and more
Weight of Beam - Stress and Strain
Stress and deformation of a vertical beam due to it's own weight
Wind Velocity and Wind Load
Mechanical Engineering Calculator High School
Wind load on surface - Wind load calculator
Wire Rope Slings
Sling angle and influence on capacity
Work Done by Force
Work done by a force acting on an object
Young's Modulus - Tensile and Yield Strength for common Materials
Young's Modulus or Tensile Modulus alt. Modulus of Elasticity - and Ultimate Tensile and Yield Strength for steel, glass, wood and other common materials