Serum Osmolality Calculator
Compute calculated serum osmolality from sodium, glucose, BUN, and (optionally) ethanol levels using the standard 2·Na +...
Compute calculated serum osmolality from sodium, glucose, BUN, and (optionally) ethanol levels using the standard 2·Na +...
Calculates the energy stored in an inductor's magnetic field from its inductance and the current flowing through it.
Compute the maximum allowable blood loss (MABL) before transfusion is needed in surgery: MABL = EBV · (Hb_initial − Hb_t...
Compute the modified Bishop score used to predict whether labour induction will be successful: sum of cervical dilation,...
Given the ABO genotype of each parent (AA, AO, BB, BO, AB, or OO), compute the probability that a child has each ABO blo...
Estimates hockey puck speed from shot power, stick flex efficiency, and player strength, using simplified energy transfe...
Decomposes Return on Equity (ROE) into the three DuPont factors: net profit margin, asset turnover, and financial levera...
Compute the loading dose required to immediately reach a target steady-state plasma concentration, given the apparent vo...
Calculates the probability of exactly r failures before the k-th success in independent Bernoulli trials using the negat...
Calculates the magnetic field inside a solenoid from number of turns, length, and current, using μ₀ = 4π×10⁻⁷ T·m/A.
Calculates SWOLF (swimming efficiency score) from strokes per length and time per length. Lower is better.
Compute a healthy adult's daily maintenance fluid requirement using the 30–35 mL/kg rule of thumb. Reports total mL, flu...
Estimated daily calories are a loose target, not a contract. A quick guide to using the number without letting it use you.
BMI is a one-number screen, not a diagnosis. Here is how to read it honestly — and what to look at alongside it.