Calculate the kinetic energy stored in a flywheel. E = ½·I·ω², ω = 2π·n/60. Enter the moment of inertia directly, or compute it from flywheel mass and radius (I = ½·m·r²). Supports J/kJ/Wh.

Math & Numbers

Gas Price Calculator

Calculate fuel costs based on distance, fuel efficiency, and gas price

Math & Numbers

Fourier Series Calculator

Calculate Fourier series coefficients for common waveforms

Finance

Future Value Calculator

Calculate future value of investments with compound interest

Math & Numbers

Enzyme Kinetics Calculator (Michaelis-Menten)

Calculate reaction velocity with Michaelis-Menten, estimate Km/Vmax via Lineweaver-Burk, and model enzyme inhibition.

Math & Numbers

Fahrenheit to Kelvin

Convert Fahrenheit to Kelvin with configurable decimal precision

Math & Numbers

Feet to Yard

Convert feet to yards with configurable decimal precision

Math & Numbers

Feet to Mile

Convert feet to miles with configurable decimal precision

Math & Numbers

Final Grade Calculator

Calculate the score needed on a final exam to reach a desired overall course grade

Math & Numbers

Fisher Exact Test Calculator

Run Fisher exact test for a 2 x 2 contingency table with exact one-sided or two-sided p-values

Math & Numbers

F Distribution Calculator

Calculate F distribution density, cumulative probability, and right-tail probability from numerator and denominator degrees of freedom