Online Force Calculator - Force Conversion

Force Conversion Calculator

This online force calculator is a valuable tool that enables users to quickly and easily convert force values between various units of measurement, such as Newtons, pound-force, kilogram-force, and more. By providing an efficient and user-friendly way to perform conversions, it facilitates accurate calculations for professionals and students alike, especially in fields such as physics, engineering, and mechanics. The calculator eliminates the need for manual conversions or memorizing conversion factors, saving time and reducing the potential for errors, ultimately enhancing productivity and understanding in applications that involve force calculations.

Online Force Calculator - Force Conversion

There are numerous measurements of force used across different fields, industries, and regions. Some of the most commonly used units of force are:

  1. Newton (N): The SI (International System of Units) unit of force, defined as the force required to accelerate a mass of one kilogram by one meter per second squared (1 N = 1 kg * 1 m/s²).
  2. Pound-force (lbf): A unit of force used in the imperial and US customary systems, defined as the force exerted by gravity on a pound-mass object. Approximately equal to 4.44822 N.
  3. Kilogram-force (kgf): Also known as kilopond (kp), it is the force exerted by gravity on a one-kilogram mass object. Approximately equal to 9.80665 N.
  4. Dyne (dyn): A unit of force in the centimeter-gram-second (CGS) system, defined as the force required to accelerate a mass of one gram by one centimeter per second squared (1 dyn = 1 g * 1 cm/s²). Approximately equal to 1 × 10⁻⁵ N.
  5. Kip: A unit of force used primarily in the United States, equal to 1,000 pound-force (1 kip = 1,000 lbf). Approximately equal to 4,448.22 N.
  6. Poundal (pdl): A lesser-known unit of force in the foot-pound-second (FPS) system, defined as the force required to accelerate a mass of one pound by one foot per second squared (1 pdl = 1 lb * 1 ft/s²). Approximately equal to 0.138255 N.
  7. Stone (st): A unit of mass used in the imperial and US customary systems, primarily in the United Kingdom and Ireland. One stone is equal to 14 pounds or approximately 6.35029 kilograms.
  8. Tonne (t): A metric unit of mass, also known as a metric ton, equivalent to 1,000 kilograms or 1,000,000 grams.
  9. Ounce (oz): A unit of mass used in the imperial and US customary systems. There are 16 ounces in a pound. One ounce is approximately equal to 28.3495 grams.
  10. Gram (g): A unit of mass in the metric system, defined as one-thousandth (1/1000) of a kilogram (1 g = 0.001 kg).

To convert these mass units to force units (e.g., Newtons), you can multiply the mass by the acceleration due to gravity (approximately 9.81 m/s² on Earth's surface). For example, the weight (force) of a 1-kilogram object on Earth would be:

Weight = Mass × Acceleration due to gravity Weight = 1 kg × 9.81 m/s² Weight = 9.81 N

Note that this conversion is applicable when considering weight as the force exerted by gravity on an object's mass. In other contexts, mass and force are distinct concepts and should not be confused with one another.

Force Conversion Calculator


Whats the difference between Weight and Force?

Weight and force are related concepts, but they are not the same. Here's a brief explanation of the differences between the two:

  1. Force: Force is a vector quantity that can cause an object to change its state of motion, i.e., to accelerate, decelerate, or change direction. Force is described by magnitude and direction and is measured in units such as Newtons (N). There are several types of forces, like gravitational force, frictional force, applied force, and many more.
  2. Weight: Weight is a specific type of force that results from the gravitational attraction between two objects, usually an object and a planet like Earth. The weight of an object depends on its mass and the gravitational acceleration acting on it (g). Weight is also a vector quantity and is measured in units like Newtons (N). Mathematically, weight is calculated as:

    Weight = Mass × Gravitational acceleration (g)

    For example, on Earth, the gravitational acceleration is approximately 9.81 m/s².

The difference between weight and force lies in the fact that weight is a specific force resulting from gravity, while force is a broader term encompassing any influence that causes an object to change its state of motion.

Newton's Second Law of Motion, also known as the Law of Acceleration, states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Mathematically, it can be expressed as:

F = m * a

where: F = net force acting on the object (measured in Newtons, N) m = mass of the object (measured in kilograms, kg) a = acceleration of the object (measured in meters per second squared, m/s²)

In simpler terms, Newton's Second Law implies that when a force is applied to an object, it causes the object to accelerate in the direction of the force. The acceleration of the object is directly proportional to the magnitude of the force and inversely proportional to the object's mass, meaning a larger force will result in a greater acceleration, and a heavier object will have a smaller acceleration when acted upon by the same force.

Try our online Torque Caculator here

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