Science Calculators
Physics and chemistry calculators for students, educators, and professionals. Calculate force, energy, motion, and more with step-by-step solutions.
Mechanics
Force, motion, and energy calculations
Force Calculator
Calculate force using mass and acceleration (F = ma).
Work Calculator
Calculate work done by a force over a distance.
Momentum Calculator
Calculate momentum from mass and velocity.
Impulse Calculator
Calculate impulse from force and time.
Friction Calculator
Calculate friction force between surfaces.
Hooke's Law Calculator
Calculate spring force and displacement.
Energy
Kinetic, potential, and other energy calculations
Kinetic Energy Calculator
Calculate kinetic energy from mass and velocity.
Gravitational PE Calculator
Calculate gravitational potential energy.
Elastic PE Calculator
Calculate elastic potential energy in springs.
Potential Energy Calculator
Calculate various forms of potential energy.
E=mc² Calculator
Calculate mass-energy equivalence.
Motion
Velocity, acceleration, and displacement calculations
Properties of Matter
Density, pressure, and material properties
Waves
Wave properties and calculations
Chemistry
Chemical calculations and conversions
Astronomy
Sun, moon and sky calculators for any location
Astronomy Hub
All astronomy calculators — sunrise, moon phase, golden hour, solar noon, day length.
Sunrise & Sunset Calculator
Exact sunrise, sunset, dawn and dusk times for any city and date.
Moon Phase Today
Today's moon phase with illumination and next full moon.
Next Full Moon
Exact date, time (UTC), and days until the next full moon.
Full Moon Calendar 2026
Every 2026 full moon date, time, and traditional name.
Golden Hour Calculator
Golden hour and blue hour times for photography.
Solar Noon Calculator
Solar noon time and the sun’s highest angle for your location.
Day Length Calculator
How long the sun is up today and through the year.
Why Use Our Science Calculators?
Designed for students, teachers, and professionals who need accurate, reliable calculations.
Accurate Results
Built with precise formulas and validated against textbook examples to ensure correctness.
Educational Focus
See the formulas and understand how calculations work, not just the final answer.
100% Private
All calculations happen in your browser. No data is sent to any server.
Unit Conversions
Work with any unit system. Automatic conversions between metric and imperial.