# PharCalc - 薬剤師・薬学生のための計算ツール集

> Developed by active pharmacists. An all-in-one tool usable for dispensing work, practical training, and national exam preparation. Covers over 20 functions, from selective therapeutic drugs, renal function, and pediatric dosages to herbal medicine searches.

Canonical page: [https://chrome-stats.com/d/com.koya\_apps.pharcalc](https://chrome-stats.com/d/com.koya_apps.pharcalc)

## Overview

- **ID:** `com.koya_apps.pharcalc`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** koya-apps
- **Category:** PRODUCTIVITY
- **Downloads:** 359
- **Last updated:** 2026-07-05
- **First published:** 2026-07-05
- **Publisher country:** JP
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.koya_apps.pharcalc)
- **Website:** [https://www.koya-apps.com/](https://www.koya-apps.com/)
- **Privacy policy:** [https://www.koya-apps.com/privacy.html](https://www.koya-apps.com/privacy.html)

## Description

[An all-in-one tool created by a practicing pharmacist, usable for dispensing work, practical training, and pharmacist national examination preparation]<br><br>PharCalc is a multi-functional portal app designed to solve all the challenges pharmacists and pharmacy students face in the field, from complex drug calculations to checking the latest regulations.<br><br>■ All-in-one functions to improve the quality of clinical practice and work<br>① Fully compatible with the 2026 dispensing fee revision and selected medical treatments<br>Instantly simulates patient co-payments and special charges for original and generic drugs. Supports both 1/4 and 1/2 standards, providing strong support for explaining to patients.<br><br>② Advanced clinical calculations and dosage checks<br>Equipped with over 20 calculation logics, including formula usage for renal function (eGFR/Ccr), weight and age-based dosage checks for children, opioid conversion, psychiatric drug (CP conversion, etc.), and insulin unit calculations.<br><br>③ Highly Specialized Reference Function<br>Minimizes the time spent researching by providing information such as anti-doping prohibited substance checks, a list of publicly funded medical care system codes, and steroid strength ranking tables.<br><br>■ Supports Pharmacy Students&#39; Practical Training and Pharmacist National Examination Preparation<br>● Simulation of Calculations Frequently Tested in the Pharmacist National Examination and OSCE<br>You can gain a deep understanding of formulas essential for exams and practical training, such as the distinction between standardized and individualized eGFR in renal function calculations, BMI/body surface area (BSA) calculations, and pediatric dosage calculations (Augsberger/von Harnack formula, etc.), by manipulating actual values.<br><br>● Reference for Developing Practical Skills<br>Covers practical rules that are difficult to visualize from textbooks alone, such as date calculations for refill prescriptions and checking prescription duration limits. Maximizes the efficiency of &quot;research&quot; during practical training.<br><br>[All Function Categories]<br>● Medication Calculation: Renal function, BMI/BSA, pediatric dosage, insulin, opioid, influenza drug dosage, refill prescription date/consultation date calculation<br>● Comparison/Conversion: Comparison of original drugs, generic drugs, and selected therapies, potency conversion, psychiatric drug conversion (CP/DZP)<br>● Search/Reference: Kampo search, antibiotic search, steroid rank, clinical laboratory values, prescription day limits, anti-doping, public expense codes<br>● Work Support: Individual pediatric dosage check, remaining medication adjustment, picking assistance, inventory support, dedicated calculator<br><br>[Disclaimer]<br>This application is intended to assist pharmacists in their work and learning. Final clinical decisions should always be made under the responsibility of a professional, after consulting the latest guidelines and package inserts.

## Rankings

- #1,496,538 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.koya_apps.pharcalc)