What is henkan.com?
henkan.com is a collection of free online converters and calculators — length, weight, area, volume, temperature and more. Everything runs in your browser, so your input is never uploaded.
What we value
- Fast & simple: open and use, no clutter.
- Private: all calculations happen locally in your browser.
- Accurate: each page shows the formula and a handy conversion chart.
Looking for the Japanese site? Visit 変換.com (Japanese).