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Formula topicFormula scope: Kinematics and Newtonian motion
Explore Mechanics⚛️
Physics formula calculators for mechanics, electricity, heat, waves, and orbits
Use formula-based calculators with units, worked examples, assumptions, common mistake checks, and related calculations for the physics problem you are solving.
Start With A Physics Formula Topic
Choose the subject first, then open a representative formula calculator with variables, units, worked examples, assumptions, and related checks for the physics topic you are working on.
Mechanics Calculators
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Formula topicFormula scope: Wave speed, wavelength, and frequency
Explore Waves & Optics⚡
Formula topicFormula scope: Ohm's law and resistor relationships
Explore Electricity🌡️
Formula topicFormula scope: Heat-transfer and heat-capacity equations
Explore Thermodynamics🪐
Formula topicFormula scope: Newtonian gravity
Explore Gravity & AstronomyFeatured Formula Calculators
Start with a topic group, then open the closest formula calculator.
Formula group
Motion and forces
Start with velocity, acceleration, force, and projectile motion.
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Electric circuits
Use these when voltage, current, resistance, and power are linked.
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Heat and gas laws
Check heat transfer, gas state relationships, and temperature changes.
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Gravity and orbits
Estimate orbital speed, escape speed, and gravity relationships.
How Physics formula calculators are structured
Each Physics page is built around the calculation workflow: formula first, variables and units next, then a worked example, assumptions, common mistakes, and related checks for the same physics problem.
Formula used
Every tool keeps this detail close to the calculator so the result is easier to verify before reuse.
Variables and units
Every tool keeps this detail close to the calculator so the result is easier to verify before reuse.
Worked example
Every tool keeps this detail close to the calculator so the result is easier to verify before reuse.
Assumptions and limits
Every tool keeps this detail close to the calculator so the result is easier to verify before reuse.
Mechanics Calculators
Mechanics calculators cover the formulas students and engineers reach for constantly: velocity, acceleration, force, work, power, and motion under gravity.
Waves & Optics Calculators
Waves and optics calculators help with classroom and lab formulas for sound, light, refraction, thin lenses, and moving sources.
Electricity Calculators
Electricity calculators focus on the bread-and-butter equations from introductory circuits, making it easy to move from one relationship to the next without manual algebra.
Thermodynamics Calculators
Thermodynamics calculators support the standard heat-transfer and gas-law formulas used across physics, chemistry, and engineering courses.
Gravity & Astronomy Calculators
Gravity and astronomy calculators tie together universal gravitation, orbital motion, escape conditions, and simple periodic systems like pendulums.
Built for fast formula checks
Each calculator runs locally in the browser so you can test multiple cases quickly. That makes this category useful when you already know the formula and want a cleaner way to apply it, compare scenarios, or confirm a result before opening a related physics or math calculator.