Browse our 111 calculators to solve common problems in Physics — from quick estimates to detailed results. This hub links to our most-used tools and guides so you can get answers fast.

Start with the popular picks below, or jump into the full list for more specific use cases.

Reviewed for this category by Pero Mikić, Physics & Technical Education (Gimnazija Sisak).

Spring Pitch Calculator | Find the Pitch of Your Compression or Extension Spring

Spring Pitch Calculator

Spring Pitch is a term used to describe the distance between corresponding points on adjacent coils of a helical spring, typically measured in inches per coil. In other words, it represents the amount of linear displacement of the spring per one complete revolution around its axis.   What is Spring Pitch Calculator? Estimate spring pitch … Read more

Maximum Force Calculator | Estimate the Greatest Force an Object Can Withstand

Maximum Force Calculator

The Maximum Force refers to the highest amount of force that a material can withstand before breaking, and it is determined by the material’s yield strength and the area it is applied to.   What is Maximum Force Calculator? Crunch the math for maximum force estimate the greatest force an objec…. A maximum force calculator … Read more

Heat Input Calculator | Calculate Welding Heat Input per Unit Length

Heat Input Calculator

Using the Heat Input Calculator, you can calculate how much heat energy is required to perform a particular welding operation. In order to calculate the heat input required, this calculator takes into account voltage, current, time, and length of the weld. This calculation is important because it ensures a quality and strong weld.   Formula … Read more

mAs Calculator | Calculate Milliampere-Seconds for Radiography

mAs Calculator

In the field of radiology, the Milliampere-Seconds (mAs) Calculation plays a crucial role in determining the exposure of X-ray or other radiation sources. It’s essential to understand how to calculate mAs accurately to ensure that the right amount of radiation is administered. This article will explain the mAs formula and provide a working calculator for … Read more

Power Loss Calculator | Electrical Power Loss in Wires & Cables

Power Loss Calculator

The Power Loss Calculator is a useful tool for determining the power loss in an electrical circuit. Power loss, often represented as “P,” is a crucial parameter in electrical engineering. It indicates the energy dissipated in the form of heat when an electric current passes through a resistor due to its resistance. Formula The formula … Read more

Strain Calculator | Compute Engineering Strain from Length Changes

Strain Calculator

The Strain Calculator is a simple tool used to calculate the strain (ε) of a material when you know its original length (L₀) and the final length (L) after deformation. Strain is a measure of the deformation experienced by a material relative to its original size. It is expressed as a dimensionless ratio. How to … Read more

Telescope Magnification Calculator | Find Your Telescope’s Viewing Power

Telescope Magnification Calculator

Magnification determines how large and detailed an object appears when viewed through a telescope. To help you with this, we’ve created a Telescope Magnification Calculator. This tool allows you to calculate the magnification of your telescope based on its focal length and the focal length of your eyepiece. Understanding Telescope Magnification Telescope magnification is a … Read more

Ripple Current Calculator | Capacitor Ripple Current for Power Circuits

Ripple Current Calculator

The Ripple Current occurs when voltage is smoothed out by the fluctuating flow of current through a circuit or component. It is common for an electrical circuit to retain a small amount of AC voltage ripple, even after filtering or regulating. The AC ripple can result in an unwanted fluctuation in DC voltage levels due to … Read more

Running Record Calculator | Score Reading Fluency, Accuracy & Self-Correction Rate

Running Record Calculator

The Running Record Calculator is a simple tool designed to help you calculate the running speed of an object based on the distance covered and the time taken. This calculator can assist you in determining the speed of an object in meters per second (m/s).   Formula for Running Record Calculator To calculate the running … Read more

Efficiency Calculator | Instantly Calculate Output/Input Efficiency (%)

Efficiency Calculator

Efficiency is a crucial concept in engineering and physics, representing the effectiveness of converting input energy into useful work output. Efficiency Calculator allows you to assess how well a system or process is performing in terms of energy utilization. To calculate efficiency, we use a simple formula as seen below.   Formula used in Efficiency Calculator … Read more

Flag Calculator | Quickly Find Flag Dimensions, Ratios & Proportions

Flag Calculator

The Flag Calculator is a simple tool designed to help you calculate the area of a flag based on its length and width. Whether you are a student working on a geometry project or a flag enthusiast trying to determine the size of your flag, this calculator can assist you in finding the flag’s area … Read more

Enthalpy Calculator | Instantly Compute ΔH for Chemical Reactions

Enthalpy Calculator

The Enthalpy Calculator is a handy tool that allows you to calculate the enthalpy of a substance based on its temperature and pressure. Enthalpy is a fundamental thermodynamic property that describes the total energy content of a system, including both internal energy and energy associated with pressure and volume.   Formula Enthalpy (H) is calculated … Read more

Natural Frequency Calculator | Resonant Frequency of a Mass-Spring System

Natural Frequency Calculator

The Natural Frequency Calculator is a tool used in physics and engineering to determine the resonant frequency of a system based on its mass and stiffness. The resonant frequency is the frequency at which a system naturally oscillates when disturbed. Understanding the Formula behind the Natural Frequency The formula for calculating the natural frequency of … Read more

SAC Rate Calculator | Calculate Your Surface Air Consumption Diving

SAC Rate Calculator

Scuba divers use the Surface Air Consumption Rate Calculator to estimate their average air consumption while diving. The SAC rate, also known as Surface Air Consumption rate, is the amount of air a diver consumes while at surface, expressed in liters per minute or cubic feet per minute. By inputting certain variables such as dive duration, … Read more

Wedge Force Calculator | Estimate the Force Needed to Drive a Wedge

Wedge Force Calculator

Wedge Force Calculator is a handy tool that lets you calculate how much force is necessary to drive a wedge into material. A wedge is an effective machine for splitting or lifting objects by applying force directly onto its wedge-shaped shape. The calculator takes into account the effort force, coefficient of friction and angle of the … Read more

Foam Density Calculator | Find the Density of Your Foam Material

Foam Density Calculator

Easily calculate the density of foam based on your object’s dimensions and weight with our Foam Density Calculator. If you’re working with Imperial (inches and pounds) or Metric (centimeters and kilograms) units, this tool makes it simple to determine the density of your material. Foam density is a key factor in understanding the firmness and … Read more

Slurry Density Calculator | Find the Density of Your Slurry Mixture

Slurry Density Calculator

Slurry Density relates to the weight of solid particles in liquid, usually expressed in kilograms per cubic meter (kg/m^3). As such, density is important in various industrial processes, such as mining, chemical processing, and wastewater treatment, where a slurry’s density influences flow behavior, sedimentation rate, and overall efficiency.   What is Slurry Density Calculator? Using … Read more

Electromotive Force Calculator | Find Voltage Generated by a Circuit or Coil

(EMF) Electromotive Force Calculator

The Electromotive Force Calculator (EMF Calculator) is a tool that is used to determine the voltage generated by a source of electrical energy, such as a battery. To use the EMF Calculator, you should know the work done and the charge on the circuit in order to calculate the voltage.  The calculator uses the simple … Read more

Mach Number Calculator | Speed of an Object Relative to the Speed of Sound

Mach Number Calculator

The Mach Number Calculator is a simple tool that allows you to determine the Mach number of an object based on its airspeed and the speed of sound in the surrounding medium. The Mach number is a dimensionless number that expresses the speed of an object as a ratio to the speed of sound. In … Read more