⚛️ Interactive Bloch Sphere

Visualize single-qubit states in 3D. Apply quantum gates and watch the state vector rotate on the Bloch sphere. Drag to orbit, scroll to zoom.

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🖱️ Drag to rotate · Scroll to zoom

Current State

Quantum State

|ψ⟩ = 1.000|0⟩ + 0.000|1⟩

Measurement Probability

|0⟩100.0%
|1⟩0.0%

Bloch Coordinates

θ (polar)
0°
φ (azimuth)
0°
|α|²
1.0000
|β|²
0.0000

Sphere Position (x, y, z)

x: 0.000y: 0.000z: 1.000

Apply Gates

Quantum Gates

Rotation Gates

Rotation Angle90°
90°180°270°360°

💡 Try These

  • H — Create superposition from |0⟩
  • X — Flip to |1⟩ (quantum NOT)
  • H then Z — Make |−⟩ state
  • H then S — Reach +Y pole
  • Ry(90°) — Smooth rotation to equator