BTC電卓

This is the "BTC Calculator," a calculator that converts Bitcoin and Japanese Yen (JPY) amounts bidirectionally.

It's useful for converting and understanding amounts in Yen when using a BTC-based exchange!

The "Satoshi" button makes calculations in Satoshi units easy.

For example, to find the Yen equivalent of 430 Satoshi, simply press the buttons "4," "3," "0," and "Satoshi" to calculate the Yen value.

The BTC rate is obtained using the bitFlyer API.

◆Main Features
- Input the BTC price, perform arithmetic operations, and display the price in Japanese Yen.
- Input the Japanese Yen price, perform arithmetic operations, and display the price in BTC.
- Input assistance in units of 0.00000001 using the Satoshi button.
*The Satoshi button can be changed to μBTC or mBTC in the settings.

◆Update History
2026/08/12
- API Level 36 support
2025/07/06
- Layout issues fixed
2025/07/02
- API Level 35 support
2024/07/09
- API Level 34 support
2023/08/20
- API Level 33 support
2022/07/16
- Added the ability to change the Satoshi button to μBTC or mBTC in the settings.
- Updated and restored the recommended exchange links.

2020/01/16
- Removed exchange links and donation addresses
2018/03/10
- App released