DevPrism
Calculators

Resistor Calculatorclient-side

Decode a resistor's color bands into its resistance and tolerance, or the reverse — type a value to get the bands.

Math Evaluator

Type a mathematical expression and get the result, with support for functions like sqrt, sin, and log.

Running Pace Calculator

Solve for time, pace, or distance from the other two, with quick presets for common race distances.