Mechanics
Efficiency
Calculates efficiency as output divided by input.
Related calculators
Proportion solver
Solves the missing value in the proportion a / b = c / d.
Ratio from two values
Calculates the ratio a / b or the missing value from a simple quotient.
Angular velocity from RPM
Converts rotational speed in revolutions per minute to angular velocity.
Average of two numbers
Calculates the arithmetic average of two numbers or the missing number.
Trip average speed
Calculates average speed from distance in kilometers and time in hours.
Bulk modulus from Young's modulus and Poisson ratio
Calculates bulk modulus from Young's modulus and Poisson ratio.