Science & Engineering Calculators

Explore calculators in this category.

ACH Target Gap Calculator

Convert airflow and room dimensions into actual air changes per hour and see how far you are from your ventilation goal.

Science & Engineering

Battery Round-Trip Efficiency Calculator

Compute round-trip efficiency by aligning charge intake, delivered discharge energy, and auxiliary losses.

Science & Engineering

Battery State of Charge (SOC) Calculator

Track battery state of charge by combining nominal capacity, initial SOC, and coulomb-counted amp-hours.

Science & Engineering

Battery State of Health (SOH) Calculator

Assess battery state of health by comparing measured capacity and resistance against rated specs.

Science & Engineering

Quantify the bifacial boost on annual production by blending DC capacity, site-specific yield, surface reflectivity, and rear irradiance exposure. Use it to validate plant models and communicate expected kWh gains with prospects and asset owners.

Science & Engineering

Boiling Point at Altitude

Estimate water's boiling temperature based on elevation.

Science & Engineering

Building Energy Use Intensity (EUI) Calculator

Benchmark a facility by converting annual energy consumption into site EUI in kBtu/ft²·yr and the equivalent metric intensity.

Science & Engineering

Dew Point Calculator

Estimate the dew point temperature from ambient air temperature and relative humidity using the Magnus formula.

Science & Engineering

Doppler Effect Frequency Shift Calculator

Enter the source frequency, velocities and speed of sound to compute the observed frequency using the Doppler effect.

Science & Engineering

Electrolyzer Specific Energy Consumption Calculator

Determine kWh per kilogram of hydrogen by combining power draw, runtime, and production output.

Science & Engineering

Escape Velocity Calculator

Calculate the speed required to break free from a planet or moon's gravity.

Science & Engineering

Force from Mass and Acceleration

Apply Newton's second law to calculate force from mass and acceleration. Provide values for both to see the resulting force in newtons.

Science & Engineering

Gravitational Potential Energy Calculator

Calculate gravitational potential energy by multiplying mass, gravitational acceleration, and height.

Environment

Home Insulation Carbon Payback Calculator

See how long insulation upgrades take to pay back their embodied carbon. Enter the embodied carbon per square metre, the area being insulated, expected annual emissions avoided, and an efficiency realisation factor to estimate the payback period in years.

Science & Engineering

Household Plastic Waste Impact Calculator

Enter weekly plastic waste and recycling rate to estimate annual plastic sent to landfills.

Science & Engineering

Household Water Footprint Calculator

Estimate annual direct and indirect water use for your household, factoring optional reuse savings.

Science & Engineering

Hydrostatic Pressure Calculator

Determine the pressure exerted by a static fluid at a given depth using ρ g h.

Science & Engineering

Ideal Gas Pressure Calculator

Estimate pressure using the ideal gas law.

Science & Engineering

LC Resonant Frequency Calculator

Calculate the resonant frequency where inductive and capacitive reactances cancel in an LC circuit.

Science & Engineering

LED Series Resistor Calculator

Calculate the resistor required for an LED circuit using supply voltage, LED forward voltage, and desired current in milliamps.

Science & Engineering

Levelized Cost of Storage (LCOS) Calculator

Discount capital, replacement, and operating costs against delivered energy to find the true cost per megawatt-hour of a battery or thermal storage project.

Science & Engineering

Mean Kinetic Temperature Calculator

Quantify the weighted thermal stress experienced by temperature-sensitive pharmaceuticals and biologics using the official mean kinetic temperature equation.

Environment

Meeting Carbon Footprint Delta Calculator

Quantify how much carbon your team saves when pivoting from an in-person gathering to a virtual meeting. Add up flights, hotels, and call energy so you can communicate avoided emissions in sustainability reports.

Science & Engineering

Orbital Period Calculator

Use Kepler's third law to estimate how long an object takes to complete an orbit around a central mass.

Environment

Personal Water Footprint Calculator

Add up your direct water use and indirect consumption from goods to estimate your water footprint.

Science & Engineering

pH from Concentration Calculator

Calculate the pH of a solution from its hydrogen ion concentration.

Science & Engineering

Projectile Range Calculator

Calculate ideal projectile range from launch speed, angle, and gravity to support physics homework, engineering projects, and sports analytics.

Science & Engineering

Radioactive Decay Remaining

Calculate the remaining quantity of a radioactive substance after a specified time using its half-life.

Science & Engineering

Radiocarbon Dating Calculator

Compute the approximate age of an organic sample using the remaining percentage of carbon-14 compared to a modern reference.

Science & Engineering

RC Time Constant Calculator

Multiply resistance and capacitance to find the RC time constant for timing and filter circuits.

Science & Engineering

Reynolds Number Calculator

Evaluate whether a fluid flow is laminar, transitional, or turbulent by calculating its Reynolds number. Enter density, velocity, characteristic length, and dynamic viscosity.

Science & Engineering

Room Reverberation Time (RT60) Estimator

Predict how long sound lingers in a room by combining dimensions with surface absorption. Enter the length, width, height, an average absorption coefficient, and choose Sabine (0) or Eyring (1) to calculate RT60 in seconds.

Science & Engineering

Server Rack Power Density Calculator

Compute kW per rack by combining total IT load, redundancy headroom, and utilisation targets.

Science & Engineering

Solar Panel Wind Load Calculator

Model design wind load on a photovoltaic module with a simplified ASCE-style equation that multiplies dynamic pressure by exposure and pressure factors.

Science & Engineering

Solar Storm Radiation Dose

Forecast relative radiation dose when photographing auroras, eclipses, or high-latitude flares. Input the geomagnetic Kp index, planned exposure duration, current 10.7 cm solar radio flux, and your shielding effectiveness to estimate incremental micro-sieverts above background levels.

Science & Engineering

Science & Engineering Calculators

Calculators list

ACH Target Gap Calculator

Battery Round-Trip Efficiency Calculator

Battery State of Charge (SOC) Calculator

Battery State of Health (SOH) Calculator

Bifacial Solar Gain Estimator

Boiling Point at Altitude

Building Energy Use Intensity (EUI) Calculator

Dew Point Calculator

Doppler Effect Frequency Shift Calculator

Electrolyzer Specific Energy Consumption Calculator

Escape Velocity Calculator

Force from Mass and Acceleration

Gravitational Potential Energy Calculator

Home Insulation Carbon Payback Calculator

Household Plastic Waste Impact Calculator

Household Water Footprint Calculator

Hydrostatic Pressure Calculator

Ideal Gas Pressure Calculator

LC Resonant Frequency Calculator

LED Series Resistor Calculator

Levelized Cost of Storage (LCOS) Calculator

Mean Kinetic Temperature Calculator

Meeting Carbon Footprint Delta Calculator

Orbital Period Calculator

Personal Water Footprint Calculator

pH from Concentration Calculator

Projectile Range Calculator

Radioactive Decay Remaining

Radiocarbon Dating Calculator

RC Time Constant Calculator

Reynolds Number Calculator

Room Reverberation Time (RT60) Estimator

Server Rack Power Density Calculator

Solar Panel Wind Load Calculator

Solar Storm Radiation Dose

Specific Heat Energy Calculator

Spring Force Calculator

Star Luminosity Calculator

Stormwater Runoff Volume Calculator

Temperature Boiling Point at Altitude Calculator

Thermal Storage Sizing for Heat Pumps

Thrust-to-Weight Ratio Calculator

Time to Visual Reaction Calculator

Wind Turbine Capacity Factor Calculator