Resistance & Conductor Physics Calculator
Decode resistor color bands, calculate conductor material resistivity with temperature drift, and decode SMD markings
Nominal Resistance Value
1.00 kΩ ± 5%
1,000 Ω (Range: 950.0 Ω to 1,050.0 Ω)
Minimum Threshold (R_min)
950.0 Ω
-5.0% lower tolerance limit
Maximum Threshold (R_max)
1,050.0 Ω
+5.0% upper tolerance limit
Nearest Standard EIA Value
E24 Standard (1.0)
Commercial manufacturing series
Thermal Drift (ppm/K)
N/A
Standard 4-band spec
Reference baseline is 20°C (293.15 K)
Conductor Resistance at Operating Temperature
0.418 Ω
Base at 20°C: 0.344 Ω (+21.6% Thermal Drift at 75°C)
Resistance at 20°C (R₂₀)
0.3440 Ω
344.0 mΩ baseline
Thermal Resistance Delta (ΔR)
+0.0743 Ω
From +55.0°C temperature elevation
Electrical Conductance (G = 1/R)
2.391 S
Siemens (Mhos)
Unit Resistance Metric
8.36 mΩ / m
2.55 mΩ / ft
Supports 3-digit (e.g. 103, 4R7), 4-digit (e.g. 1002), and EIA-96 (e.g. 01C, 68A)
Decoded SMD Resistance
4.70 kΩ
3-Digit Standard • ±5% Tolerance
Ohms (Ω)
4,700.0 Ω
Pure ohmic value
Tolerance Class
±5% (E24)
Standard production grade
Significant Digits
47
Multiplier: ×100 (10²)
Alternative Unit Notations
4K7
Schematic letter code notation