Free tools

Medical Charts and Calculators

Free charts and calculators for hospital buyers, nurses and importers: IV drip rate, IV cannula colour codes, blood tube order of draw, suture sizes, surgical blade numbers and landed cost.

IV Drip Rate Calculator: Drops per Minute and ml per Hour

Free IV drip rate calculator: enter volume, time and the set's drop factor (10, 15, 20 or 60 gtt/ml) to get drops per minute and ml per hour, with the formula.

IV Cannula Sizes and Colour Codes: 14G to 26G Chart

IV cannula colour codes from 14G to 26G: outer diameter, typical flow rate and common use for each gauge, and how cannula colours differ from needle colours.

Order of Draw for Blood Collection Tubes: Colour Chart

The order of draw for blood collection tubes with tube colours, additives, inversions and tests, following CLSI GP41: culture, citrate, serum, heparin, EDTA, fluoride.

Suture Size Chart: USP to Metric Conversion and Uses

Suture size chart converting USP sizes (11-0 to 5) to metric (EP) gauge and diameter in mm, with the tissues each size is typically used for. Free converter.

Surgical Blade Sizes Chart: Numbers 10 to 24 and Handles

Surgical (scalpel) blade numbers 10 to 24 with shape, typical use and which handle fits: No. 3 handle for blades 10–15, No. 4 handle for blades 20–25.

Landed Cost Calculator for Medical Imports from India

FOB to CIF to duty-paid cost by HS code for the countries we have import guides for.