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Thermistor Calculator

Calculate temperature from thermistor resistance using Steinhart-Hart equation

Thermistor Calculator

Calculation Mode
Common Thermistors
Calculated Temperature
25.00°C
77.00°F

Beta Formula

1/T = 1/T₀ + (1/B) × ln(R/R₀)

R = R₀ × e^(B × (1/T - 1/T₀))

About Thermistors

• NTC (Negative Temperature Coefficient): Resistance decreases as temperature increases

• R₀: Nominal resistance at 25°C (specified in datasheet)

• Beta (B): Temperature sensitivity (typically 3000-4500K)

💡 Tip: Use voltage divider for Arduino (10kΩ fixed resistor + thermistor)

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