Gram-force
Provided by the ASK Keyboard Dictionary
Gram-force is a metric unit of force. A single gram-force is equal to the mass of one gram multiplied by the standard acceleration due to gravity on Earth. The gram-force is a popular unit of measurement commonly used in the keyboard space for actuation force readings - for example, IBM's membrane buckling springs actuation force range can be expressed as 65-70gf. Some people may simplify the unit as simple grams (g). Compared to the other popular unit for actuation force centinewtons, 1gf is equal to 0.98cN.