Math & Numbers
Calculate rebar spacing and bar count over a width b perpendicular to the bars. From spacing: n = floor(b/s)+1, bars per meter = 1000/s. From count: spacing s = b/(n−1). All lengths in mm.
rebar-spacing-calculatorMath & Numbers
Determine the limiting reagent and compute theoretical yield, actual yield, and percent yield from a balanced reaction.
reaction-stoichiometry-calculatorMath & Numbers
Solve for two unknowns among Voltage, Current, Resistance and Power from any two given values, with visual triangles and AC power-factor support
ohms-law-calculatorMath & Numbers
Convert radians to degrees with configurable decimal precision
radians-to-degreesMath & Numbers
Convert running pace in minutes per kilometer to kilometers per hour
pace-min-per-km-to-kmhMath & Numbers
Convert running pace in minutes per mile to miles per hour
pace-min-per-mile-to-mphMath & Numbers
Convert US fluid ounces to US cups with configurable decimal precision
oz-to-cupMath & Numbers
Convert US fluid ounces to milliliters with configurable decimal precision
oz-to-mlMath & Numbers
Convert US liquid quarts to US liquid gallons with configurable decimal precision
quart-to-gallonMath & Numbers
Convert ounces to grams with configurable decimal precision
oz-to-gramsMath & Numbers
Convert ounces to pounds with configurable decimal precision
oz-to-lbMath & Numbers
Calculate coefficient of determination R squared from actual and predicted values
r-squared-calculator