Physics Calculators
Free online physics calculators for electrical engineering, motion, and more.
Ohm's Law Calculator
Calculate voltage, current, resistance, and power.
Speed Distance Time
Calculate speed, distance, or time for travel.
Flow Rate Calc
Volumetric flow rate, velocity, and pipe diameter.
Bernoulli Equation
Pressure, velocity, and height relationships in fluids.
Buoyancy Calc
Buoyant force using Archimedes' principle.
Ohm's Law Calculator
Calculate voltage, current, resistance, and power
⚡ Voltage (V)
12
🔌 Current (A)
2
🔧 Resistance (Ω)
6
💡 Power (W)
24
Formulas
Speed Distance Time Calculator
Calculate speed, distance, or time for travel
Result
50 mph
Speed = Distance ÷ Time
Flow Rate Calculator
Calculate volumetric flow rate, velocity, or pipe diameter using Q = A × v
Result
Q = 0.098 m³/s
Cross-sectional area: 0.049 m²
0.0982
98.17
5890.49
Bernoulli Equation
Apply Bernoulli's principle for fluid flow — pressure, velocity, and height relationships
Point 1
Point 2
Result
P₂ = 100,000 Pa
Constant: 101,325 J/m³
Buoyancy Calculator
Calculate buoyant force, displaced volume, or fluid density using Archimedes' principle
Result
F_b = 98.07 N
F_b = ρ × g × V
Archimedes' Principle: Fb = ρ × g × V · ρ = Fb ÷ (g × V) · V = Fb ÷ (ρ × g)