Convert between H:V ratio, percent grade, and angle.
The Mixadù Slope Ratio is a free online calculator that convert between H:V ratio, percent grade, and angle. It runs entirely in your browser — no sign-up, no uploads, and your inputs never leave your device.
- Instant results as you type
- Free — no login or sign-up
- Private: runs entirely in your browser
- Part of the 91-tool Engineering Toolkit
Frequently asked questions
Is the Slope Ratio free?
Yes. The Slope Ratio is completely free, with no login or sign-up.
Are my inputs uploaded anywhere?
No. The Slope Ratio runs entirely in your browser; your inputs never leave your device.
Does the Slope Ratio work on mobile?
Yes. It is fully responsive and works on phones and tablets.