# BoneCalc — Peds Bone Mineral Calculator

> Peds Bone Mineral Calculator (iPhone/iPad app by British Columbia's Children's Hospital.)

- Source: https://appshunter.io/ios/app/bonecalc/id1535346472 (this page in markdown: same URL + `.md`)
- Developer: [British Columbia's Children's Hospital](https://appshunter.io/developer/1521364756)
- Category: Medical
- Price: Free
- Age rating: 17+
- Requires: iOS 16.4 · 72 MB
- Languages: American English
- Released: 2020-10-11
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/bonecalc/id1535346472/reviews.md

## What is BoneCalc?

The BoneCalc app is designed for the calculation of Z-scores and percentiles for bone mineral content (BMC) and areal bone mineral density (aBMD) for children under 20 years of age, as measured by dual-energy X-ray absorptiometry (DXA), for the following sites: whole-body subtotal (total-body-less-head), total hip, femoral neck, lumbar spine, distal ⅓ radius and ultradistal radius. Separate race-specific (Black and non-Black) and race-neutral calculations are available by age and sex. Height-Z–adjusted Z-scores for these measures are also calculated. The BMC and aBMD data are derived from the CHOP Bone Mineral Density in Childhood Study: race-specific for ages 5–20 [Zemel B et al., J Clin Endocrinol Metab 2011;96(10):3160–3169]; race-specific for ages 1–5 [Kalkwarf HJ et al., J Clin Endocrinol Metab 2022;107(9):e3887–e3900]; and race-neutral ages 5–20 [Zemel BS et al., J Clin Endocrinol Metab 2025;110(11):3034–3048]. Calculations are also available for lumbar-spine bone mineral apparent density (BMAD) for children 5–20 years of age: race-specific [Kindler JM et al. J Clin Endocrinol Metab 2019;104(4):1283–1292] and race-neutral [Zemel BS et al., J Clin Endocrinol Metab 2025;110(11):3034–3048].


## Version history (last 5 releases)

### 2.0.2 — 2026-07-27

Have added race-neutral aBMD and BMAD calculations for ages 5–20 years [Zemel BS et al., J Clin Endocrinol Metab 2025;110(11):3034–3048] and race-specific aBMD and BMC calculations for ages 1–5 years [Kalkwarf HJ et al., J Clin Endocrinol Metab 2022;107(9):e3887–e3900].

### 2.0.0 — 2026-07-24

Have added race-neutral aBMD and BMAD calculations for ages 5–20 years [Zemel BS et al., J Clin Endocrinol Metab 2025;110(11):3034–3048] and race-specific aBMD and BMC calculations for ages 1–5 years [Kalkwarf HJ et al., J Clin Endocrinol Metab 2022;107(9):e3887–e3900].

### 1.7.0 — 2026-06-16

Updated Privacy Policy and UI.

### 1.6.9 — 2026-06-09

Updated Privacy Policy.

### 1.6.8 — 2026-06-05

Updated Privacy Policy.

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## More apps by British Columbia's Children's Hospital

- [BolusCalc](https://appshunter.io/ios/app/boluscalc/id1521364754)
- [AnthroCalc](https://appshunter.io/ios/app/anthrocalc/id1521729239)
- [AnthroCalcUK](https://appshunter.io/ios/app/anthrocalcuk/id6469284065)
- [GrowthPlot](https://appshunter.io/ios/app/growthplot/id6469408252)
- [AnthroCalcFetal](https://appshunter.io/ios/app/anthrocalcfetal/id6741048463)

All apps by British Columbia's Children's Hospital: https://appshunter.io/developer/1521364756

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*