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Urine Calcium/Creatinine Ratio

Urine

Urine Calcium/Creatinine Ratio

Also known as: UCa/UCr, Ca/Cr Ratio

COMMON RANGE

0.05 – 0.27

mg/mg

0.005

0.3

M

Mayo Clinic Laboratories

Adult

See all sources ↓

CONVERT & COMPARE

mg/mg

=

0.564

mmol/mmol

Reference ranges by source

Published adult intervals: 3, from 2 named sources, shown in mg/mg.

SOURCE

SEX

AGE

RANGE

VISUAL

CITE

M

Mayo Clinic Laboratories

All

≥18y

0.05 – 0.27 mg/mg

Q

Quest Diagnostics

Male

≥18y

0.03 – 0.21 mg/mg

Q

Quest Diagnostics

Female

≥18y

0.03 – 0.275 mg/mg

M

Mayo Clinic Laboratories

All · ≥18y

0.05 – 0.27 mg/mg

Q

Quest Diagnostics

Male · ≥18y

0.03 – 0.21 mg/mg

Q

Quest Diagnostics

Female · ≥18y

0.03 – 0.275 mg/mg

Related biomarkers

More tests in the urine category.

Urine Creatinine

Albumin-to-Creatinine Ratio (ACR)

Urine Specific Gravity

24h Urine Protein

24h Urine Calcium

Sources

Mayo Clinic Laboratories

Quest Diagnostics

Last updated 2026-05-02

This page presents source-specific reference data and sourced explanations. For general wellness information only. This is not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.

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