Multiplier may refer to:
Mathematics Multiplier (arithmetic), the number of multiples being computed in multiplication Constant multiplier, a constant factor with units of measurement Lagrange multiplier, a scalar variable used in mathematics to solve an optimisation problem for a given constraint Multiplier (Fourier analysis), an operator that multiplies the Fourier coefficients of a function by a specified function (known as the symbol) Multiplier of orbit, a formula for computing a value of a variable based on its own previous value or values; see Periodic points of complex quadratic mappings Characteristic multiplier, an eigenvalue of a monodromy matrix Multiplier algebra, a construction on C*-Algebras and similar structures
Electrical engineering Binary multiplier, a digital circuit to perform rapid multiplication of two numbers in binary representation Analog multiplier, a device that multiplies two analog signals Frequency multiplier, a device that generates a signal at an integer multiple of its input frequency Voltage multiplier, an electrical circuit that converts AC electrical power from a lower voltage to a higher DC voltage. Schweigger multiplier, an early galvanometer
Macroeconomics Multiplier (economics), any measure of the proportional effect of an exogenous variable on an endogenous variable Fiscal multiplier, the ratio of the change in aggregate demand to the change in government spending that caused it Money multiplier, the ratio of the money generated by the banking system to the central bank's increase in the monetary base that caused it
Others Force multiplier, in warfare a factor that dramatically increases the combat-effectiveness of a given military force A multiplier fishing reel creates less friction when casting A CPU multiplier allows a CPU to perform more cycles per single cycle of the front side bus Multiplier (linguistics), an adjective indicating number of times something is to be multiplied Multipliers: How the Best Leaders Make Everyone Smarter