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Understand my blood results26 reviewed toolsManage weight and nutrition23 reviewed toolsImprove fitness and heart health6 reviewed toolsSleep and recover better3 reviewed toolsPlan preventive health5 reviewed toolsCheck supplements4 reviewed tools

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61 reviewed tools
FreeBlood results

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.

Open toolFreeBlood results

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.

Open toolCalcium 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.

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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.

Open toolCRP unit converter illustration showing the same concentration across litre and decilitre laboratory volumesFreeBlood 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.

Open toolFerritin & 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.

Open toolHbA1c / 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.

Open toolHemoglobin unit converter showing the same concentration as 15.0 g/dL and 150 g/L with exact factor-of-ten arithmeticFreeBlood 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.

Open toolIron 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.

Open toolLDL 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.

Open toolMagnesium 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.

Open toolFreeBlood results

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.

Open toolTriglycerides: 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.

Open toolFreeBlood results

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.

Open toolTotal 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.

Open toolZinc unit conversion example: 10.00 µmol/L becomes 65.38 µg/dL after multiplying by 6.538.FreeBlood results

Zinc unit converter

Convert zinc between µmol/L and µg/dL using the declared factor 6.538. Check rounding, units and report limits without interpreting a result or calculating a dose.

Open toolFreeWeight and nutrition

BMI calculator: adult BMI and reference chart

Calculate adult BMI in metric, pounds or stone, see height-specific reference points, and understand the result's limits. Free, private and evidence-based.

Open toolOriginal diagram of a drink beside caffeine milligrams divided by matching drink volume in millilitres, multiplied by 100 to give mg per 100 ml.FreeWeight and nutrition

Caffeine per 100 ml calculator

Convert matching labelled caffeine milligrams and drink volume in millilitres into mg per 100 ml. Free, private concentration arithmetic with no safe-dose verdict.

Open toolWorked food-label example: 150 kcal in 30 g becomes 500 kcal per 100 g.FreeWeight and nutrition

Calories per 100 g calculator

Convert calories and gram weight from the same labelled portion into kcal per 100 g. Free calculator with a worked example, label checks and no intake target.

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Calories per meal calculator

Split a daily calorie or kilojoule amount equally or by your own percentages. Whole-number meal results always add back to your exact total.

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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 toolResult helperBlood results

Ferritin result checker

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

Open toolResult helperBlood results

Vitamin D result converter

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

Open toolResult helperBlood results

TSH result checker

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

Open toolResult helperBlood results

ApoB result converter

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

Open toolResult 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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