Resistor Color Code Calculator
Decode 4-band electronic resistor color bands.
Input Parameters
Calculation Results
Formula & How Resistor Color Code Calculator Works
Electronic resistors use standardized color rings to specify resistance values and tolerance limits.
- Enter Band 1 (1st Digit): Input your target parameter value.
- Enter Band 2 (2nd Digit): Input your target parameter value.
- Enter Band 3 (Multiplier): Input your target parameter value.
- Enter Band 4 (Tolerance): Input your target parameter value.
- Apply Formula: Calculate using
R = (Band1 × 10 + Band2) × 10^Multiplier. - Review Results: View exact computed answers, metrics, and worked mathematical proofs.
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Frequently Asked Questions (FAQs)
What does gold band mean?
Gold band signifies a precision tolerance of ±5%.
Authoritative Standards & Verified Reference Citations
Calculations and mathematical logic on this page are grounded in published statutory rules, regulatory standards, and official government data published by the following bodies:
Australian Standards including AS/NZS 3000 (Wiring Rules), AS 3600 (Concrete Structures), and AS 4100 (Steel Structures).
Accreditation and technical guidelines for civil, structural, mechanical, and electrical engineering.
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