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26 reviewed tools in Blood results

Albumin unit diagram: one gram per decilitre equals ten grams per litre, with ten schematic amount symbols and reciprocal multiply-by-ten and divide-by-ten arrows.

FreeBlood results

Albumin Unit Converter: g/L and g/dL

Convert a known blood albumin concentration between g/L and g/dL with the exact factor 10. Clear examples and rounding, without diagnosing or storing your result.

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Bilirubin unit converter

Convert one reported bilirubin value between mg/dL, µmol/L and mg/L with transparent arithmetic, careful rounding and private local calculation.

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Blood glucose unit converter

Convert blood glucose between mmol/L and mg/dL with a NIST-derived factor, clear rounding and private on-device calculation. Free, with no sign-up.

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Blood pressure unit converter

Convert a blood pressure value between millimetres of mercury (mmHg) and kilopascals (kPa) using the conventional unit relationship, without interpreting the reading.

Calcium conversion example: 2.50 mmol/L becomes 10.02 mg/dL after multiplying by 4.0078 and rounding to two decimals.

FreeBlood results

Calcium unit converter

Convert a calcium concentration between mmol/L and mg/dL using the calcium reference molar mass. No albumin correction, diagnosis or supplement-dose conversion.

Conceptual illustration of larger and smaller lipoprotein particles beside an orange comparison curve.

FreeBlood results

Cholesterol ratio and LDL calculator

Calculate LDL with the Sampson equation, non-HDL and cholesterol ratios. Compare Friedewald when suitable, choose your units and see clear formula limits.

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Cholesterol and triglyceride unit converter

Convert cholesterol or triglycerides between mg/dL and mmol/L with the correct analyte-specific factor and no invented health bands.

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Creatinine unit converter

Convert serum or plasma creatinine between mg/dL and µmol/L with the standard 88.4 factor, clear rounding and private on-device calculation.

CRP unit converter illustration showing the same concentration across litre and decilitre laboratory volumes

FreeBlood results

CRP unit converter

Convert a CRP or hs-CRP result between mg/L and mg/dL with exact factor-of-ten arithmetic and no clinical interpretation.

Conceptual illustration of two kidneys and fluid filtration with an orange accent.

FreeBlood results

eGFR kidney function calculator

Estimate adult eGFR with the race-free 2021 CKD-EPI creatinine equation. Supports µmol/L and mg/dL with clear kidney function limits and worked examples.

Ferritin & iron: a three-step diagram from the entered result through context to a useful next step.

FreeBlood results

Make sense of ferritin and iron results

Compare ferritin with your laboratory range and understand how haemoglobin, iron saturation and inflammation affect the next questions.

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Folate unit converter

Convert a reported total folate result between ng/mL, µg/L and nmol/L using the conventional 2.265 factor, with clear specimen boundaries.

HbA1c / A1c: a three-step diagram from the entered result through context to a useful next step.

FreeBlood results

Understand your HbA1c result

Understand your A1c result, see why screening ranges differ, and build a practical starting plan for food and movement.

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Biomarker percentage change calculator

Calculate the relative change between two comparable biomarker results. See the percentage magnitude and whether the new value is higher, lower or unchanged.

Hemoglobin unit converter showing the same concentration as 15.0 g/dL and 150 g/L with exact factor-of-ten arithmetic

FreeBlood results

Hemoglobin unit converter

Convert a reported hemoglobin or haemoglobin value between g/dL and g/L with exact factor-of-ten arithmetic and no medical interpretation.

Conceptual illustration of insulin signalling and glucose near a cell membrane; not a measured result.

FreeBlood results

Insulin resistance calculator

Calculate HOMA-IR, TyG or the triglyceride-to-HDL ratio from your blood results. Fasting checks, correct units, transparent formulas and no invented diagnosis.

Iron conversion example: 10.00 µmol/L becomes 55.85 µg/dL after multiplying by 5.5845 and rounding to two decimals.

FreeBlood results

Iron unit converter

Convert iron between µmol/L and µg/dL with exact reciprocal arithmetic and clear rounding. Keep the original report; this does not interpret results or doses.

LDL cholesterol: a three-step diagram from the entered result through context to a useful next step.

FreeBlood results

Understand your LDL cholesterol result

Put your LDL result in context, compare it with your report limits, and choose practical food changes to discuss and try.

Magnesium conversion example: 0.80 mmol/L becomes 1.94 mg/dL after multiplying by 2.4305 and rounding to two decimals.

FreeBlood results

Magnesium unit converter

Convert magnesium between mmol/L and mg/dL with a clear rounding example. Preserve the original measurement type; this does not interpret results or convert doses.

Unit diagram: one mmol/L of phosphate corresponds to 3.0973762 mg/dL as phosphorus, with reciprocal arrows and a phosphorus symbol; this is a unit identity, not a patient result.

FreeBlood results

Phosphate unit converter

Convert phosphate between mmol/L and mg/dL as phosphorus, with clear rounding and assay limits. Private browser inputs; no result interpretation or dose.

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Testosterone unit converter

Convert a reported total or free testosterone value between the matching units, with explicit free ng/dL modes, transparent factors and no reference-range interpretation.

Triglycerides: a three-step diagram from the entered result through context to a useful next step.

FreeBlood results

Understand your triglyceride result

Understand fasting context, see when professional follow-up matters, and choose realistic food and activity changes.

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Uric acid unit converter

Convert a reported uric acid value between mg/dL, µmol/L and mmol/L with the 59.48 factor, transparent rounding and private calculation.

Total vitamin B12 conversion example: 200.00 pg/mL becomes 147.56 pmol/L after multiplying by 0.7378.

FreeBlood results

Vitamin B12 unit converter

Convert total vitamin B12 between pg/mL and pmol/L using the 0.7378 factor. See clear rounding and unit limits; this does not interpret results or calculate doses.

Reviewed tools and result helpers

Result helperBlood results

HbA1c result converter

Convert HbA1c between percentage and mmol/mol and see measured-result context with its limits.

Open tool Result helperBlood results

Ferritin result checker

Compare ferritin with the exact range printed by the same laboratory, without inventing a universal optimal target.

Open tool Result helperBlood results

Vitamin D result converter

Convert 25(OH)D units and read the result with calcium, kidney, season and assay context.

Open tool Result helperBlood results

TSH result checker

Compare TSH with the laboratory interval and add the thyroid and life-stage context that can change interpretation.

Open tool Result helperBlood results

ApoB result converter

Convert ApoB units and read the result beside LDL-C, non-HDL-C, triglycerides and wider cardiovascular context.

Open tool Result helperBlood results

Lp(a) result checker

Read Lp(a) in the reported unit without using an unsafe fixed conversion between mg/dL and nmol/L.

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