Lab Toolkit
Free calculators for medical laboratory students and staff: QC statistics with Westgard rules, dilutions and solutions, manual cell counts, anion and osmolal gaps, and creatinine clearance. They run in your browser; nothing is sent or saved.
For learning and checking your own calculations. Always follow your laboratory's SOPs and verified procedures.
QC Calculator: Mean, SD, CV% and Westgard Rules
Calculate QC statistics, draw a Levey-Jennings chart and check Westgard rules.
Open toolDilution and Solution Calculator
C1V1 = C2V2, dilution factors, serial dilutions, molarity, normality and % w/v.
Open toolHaemocytometer Cell Count Calculator
Manual cell counts for blood and body fluids (improved Neubauer chamber).
Open toolAnion Gap and Osmolal Gap Calculator
Anion gap (with or without K, albumin-corrected) and calculated osmolality.
Open tool24-Hour Creatinine Clearance Calculator
Measured creatinine clearance from a timed urine collection, with BSA normalisation.
Open tool