🏛️

Roman Numeral Converter

Convert between Arabic and Roman numerals

Instructions

罗马数字转换使用说明



功能简介


阿拉伯数字与罗马数字双向转换,支持 1-3999 范围,即时显示结果。

使用方法


  • 输入阿拉伯数字或罗马数字

  • 自动转换为另一种形式

  • 点击「复制」复制结果


  • 注意事项


  • 支持范围 1 到 3999

  • 罗马数字输入自动识别
  • ❓ FAQ

    Does it convert both ways?

    Yes, Arabic and Roman numerals convert in both directions.

    What range is supported?

    Conversion is supported between 1 and 3999.

    Is this tool free?

    Yes, it is completely free and requires no registration.

    📝 Related Articles

    tool-tutorials

    How to Use a Countdown Timer: Complete Steps from Setting to Ringing

    This guide breaks down how to use a countdown timer into actionable steps, covering duration setting, start/pause, ring troubleshooting, phone mute and background restrictions, maximum duration limits, and the trade-offs between online and system timers, with developer API debugging points included—read it and you can start using it right away.

    tool-tutorials

    How to Use a Running Pace Calculator? Enter Distance and Time to Get Your Pace per Kilometer

    Want to know how long it takes you to run each kilometer? Just enter distance and total time to instantly get pace, speed, and split references. You can also troubleshoot common issues like wrong units, result deviations, and the calculator not opening on mobile—helping beginners quickly establish their own training baseline.

    tool-tutorials

    How to Use JS Formatter and Minifier: Beginner Step-by-Step Guide

    Use a browser-local JS formatter and minifier to restore a script minified into one line back to a readable structure, or remove whitespace and comments to reduce size—all without uploading code. This article provides step-by-step operations, error troubleshooting, API debugging, and large file handling methods—follow along and you can independently complete a formatting or minification task.

    tool-tutorials

    How to Use English Case Conversion: Beginner Step-by-Step Guide

    Paste English text into an online tool, choose the case mode, and complete the conversion with one click. This article provides the complete step-by-step operation, methods for mobile and large file handling, usage in API debugging scenarios, and troubleshooting ideas when conversion fails, helping you learn English case conversion in a few minutes and avoid common pitfalls such as abbreviations, line breaks, and mixed Chinese-English text.