Free Iron Tools
Daily Iron RDA Calculator
Find how much iron per day is published for your age, sex and life stage, with the vegetarian or vegan adjustment.
Open tool → CalculatorFerritin Change Calculator
Compare two ferritin test results by absolute change, percentage, rate and typical reference range.
Open tool → ConverterFerritin Unit Converter
Free ferritin unit converter for ferritin blood test units. Convert ferritin ng/mL to pmol/L or µg/L and see the same result in all three units at once.
Open tool → CalculatorHeme vs Non-Heme Iron Comparison
Compare heme vs non heme iron amounts with a free calculator that shows total iron and each form's percentage split.
Open tool → ConverterHemoglobin Unit Converter
Convert hemoglobin lab test units between g/dL, g/L and mmol/L. See one value in all three units at once, with standard adult reference ranges.
Open tool → ReferenceIron and Ferritin Level Chart
Use this iron chart levels tool to plot ferritin, serum iron, TIBC or transferrin saturation against typical reference ranges.
Open tool → ReferenceIron-Rich Foods Chart
Use this free iron rich foods chart to compare iron per serving, heme type and percent Daily Value by food and portion.
Open tool → ReferenceIron-Rich Foods for Anemia Chart
Compare iron-rich foods for anemia by diet, serving size and heme or non-heme type in a free food reference chart.
Open tool → CalculatorIron Supplement Supply Calculator
Calculate the cost, supply length and elemental iron in over the counter iron supplements.
Open tool → CalculatorMCH Calculator
Free MCH calculator. Enter the hemoglobin and red blood cell count from your blood test to get mean corpuscular hemoglobin in pg, against a 27–33 pg range.
Open tool → CalculatorTransferrin Saturation Calculator
Free TIBC calculator. Enter serum iron and total iron binding capacity in µg/dL or µmol/L to get transferrin saturation as a percentage.
Open tool → ReferenceVegetarian Iron Foods Chart
Compare iron rich foods vegetarian sources by serving size and see each food's share of your daily iron target.
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