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PharmSpace

Dosing & Calculations

Pharmacy Calculations

The mathematical foundations, drilled with fresh numbers every round: concentrations, dilutions, percentages, days supply. Every formula shows its source; every answer validates by arithmetic.

concentration · foundations

Dose required
500 mg
Available concentration
40 mg/mL

What volume delivers the dose, in mL?

mL

Formula

volume (mL) = dose (mg) ÷ concentration (mg/mL)

Standard pharmacy calculations.