// multi-utility computation suite · offline · instant · precise
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│ [c] calcalyst_ │
│ computation suite │
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sci.coulombs-law Calculator
Calculates electrostatic force between two point charges using Coulomb's law F = kq₁q₂/r². The Coulomb constant k = 8.99 × 10⁹ N·m²/C² — at 1 nm separation, two elementary charges repel with ~230 pN, comparable to strong molecular bonds.
Inputs
Q1
Reference formula or conversion factor shown for context.
Q2
Reference formula or conversion factor shown for context.
R
Separation between two points or total path length. Check that units are consistent throughout the calculation.
Eps
Reference formula or conversion factor shown for context.
Results
force (N)
Sample size or count used in the calculation.
interaction type
The classification or type assigned based on the inputs.
electric field at r (N/C)
The value at the specified point or condition.
electric potential (V)
Sample size or count used in the calculation.
F=kq₁q₂/(εr²)
Reference formula or conversion factor shown for context.
permittivity effect
Reference formula or conversion factor shown for context.