Calculators

Calculates the length of a side of a right-angled triangle given the other two sides (a² + b² = c²).

Converts between micrograms (mcg or μg) and milligrams (mg).

Estimates Glomerular Filtration Rate (GFR) using the Modification of Diet in Renal Disease (MDRD) equation. GFR is a measure of kidney function.

This calculator determines the PCR efficiency based on the slope of a standard curve obtained from quantitative PCR (qPCR) experiments.

Helps visualize and calculate probabilities or counts for intersections and unions of sets.

Calculates the ratio of arm span to height, sometimes used in climbing assessments.

Estimates the resources saved by adopting a vegan lifestyle compared to a standard diet.

This calculator estimates the environmental impact, specifically energy consumption and carbon emissions, associated with cryptocurrency mining based on the user's specified inputs. It focuses on Bitcoin and Ethereum, the two largest cryptocurrencies, and allows users to compare their impact with other activities.

Calculates the pressure, volume, temperature, or number of moles of a real gas using the van der Waals equation of state.

Calculates the original data point value given a Z-score, mean, and standard deviation.