dB ↔ Ratio Converter by itectec · June 19, 2026 🔁 dB ↔ Ratio Converter Convert between linear ratios and decibels for power and voltage. DirectionRatio → dBdB → RatioQuantity TypePower (10·log)Voltage/Field (20·log)Ratio (linear)Decibels (dB) Calculate Reset
