Free Physics Calculators & Tools
Accurate, easy-to-use calculators for students, educators, and professionals. Solve physics problems with step-by-step explanations.
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Density Calculator
Calculate density using mass and volume. Supports multiple units (kg, g, lb, m³, cm³, L).
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Calculate gravitational force between two masses using Newton's law of universal gravitation.
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Calculate wave properties: velocity, frequency, and wavelength. Enter any two values to find the third.
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Calculate wave energy using classical or quantum models. Includes photon energy calculations.
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