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Fast calculators for everyday math, finance, and planning.
Explore 46 free calculators, including Acceleration Calculator, Age Calculator, Aspect Ratio Calculator, Average Calculator, and more.
Page 1 of 2. Showing 24 of 46 tools.
Solve average acceleration, velocity, or time.
Find completed years, months, days, total days, and next birthday.
Simplify dimensions and resize them without changing their proportions.
Calculate and compare four useful types of averages.
A simple arithmetic calculator for quick results.
Calculate adult BMI and the standard screening category from height and weight.
Combine capacitors in series or parallel and calculate equivalent capacitance.
Estimate final balance, contributions, and interest earned with compounding.
Split total current across parallel resistors and calculate branch currents, voltage, resistance, and power.
Solve density, mass, or volume with unit conversion.
Find final price and savings after a percentage discount.
Calculate PWM duty cycle, pulse width, frequency, period, and off-time.
Solve force, mass, or acceleration with F = ma.
Calculate and simplify arithmetic with two fractions.
Calculate GCD and LCM for two whole numbers.
Solve gravitational potential-energy change, mass, or height.
Combine inductors in series or parallel and calculate reactance.
Solve kinetic energy, mass, or speed with unit conversion.
Calculate LC resonant frequency and reactance from inductance and capacitance.
Find the series resistor and power dissipation for an LED circuit.
Solve one-variable linear equations and two-variable systems.
Estimate monthly payment, total cost, and interest for a fixed-payment loan.
Solve average power, work, or time with P = W/t.
Solve momentum, mass, or velocity with unit conversion.