Conversion Calculators

This resistor color code calculator is designed to find the resistance and tolerance values of through hole resistors.

This Ohm's law calculator is used to calculate power, current, voltage or resistance.

Conversion Calculators

• BTU to Joules Energy Conversion Calculator Convert BTU to Joules and Joules to BTU
• Capacitance Conversion Calculator Calculate conversions between capacitance units
• Decimal to Fraction Calculator Convert a decimal number into a fraction
• Length Conversion Calculator Convert metric and imperial units
• Power Conversion Calculator Convert all types of electrical power units using this calculator
• Pressure Conversion Calculator Perform conversions between pressure units
• Temperature Conversion Calculator Converting Celsius values to Fahrenheit values and Fahrenheit values to Celsius values.
• Volume and Mass Conversion Calculator Convert measurement units including liters, ounces, quarts, feet, yards and more
• Weight Conversion Calculator Convert kilograms to grams, kilograms to pounds, and other units including tons, metric tons and ounces

Electrical Calculations

• Battery Life Calculator Calculate the hours of life left in your batteries
• LED Series Resistor Calculator Calculate the value of current limiting resistors needed to connect multiple LEDs
• Time Constant Calculator Calculate resistor-capacitor (RC) time constant of a resistor-capacitor circuit