Base47 Iroha Notation to Decimal Converter

At this time, we only offer Japanese-language site, because an input method for Japanese language has to be installed on your device to use this site. Also, you must be proficient in the operation of it.

47進いろは記数法⇔10進法 変換機

Base 47 Iroha Notation is a notation system originally defined by this site, that its numbers are written in Japanese Hiragana.

numbers written in the usual arithmetic numerals, and the numbers in Base 48 Iroha Notation.

We offer its simple and bidirectional Web APIs. It supports XML, JSON, JSONP, PHP-serialized, and plain text as its response format.

It was originally made as a joke website for the Internet April Fool 2008.

Yes, it is a joke, explaining a non-existent standard notation system as if it were a common theory.