Pulley & Belt Calculator

Calculate pulley ratio, belt length & speed, RPM. Convert Hp to Kw.

Pulley Calculator makes working with two‑pulley belt systems quick and easy — whether you’re in the workshop, lab, or classroom. Enter a few dimensions and rotations, and the app instantly calculates key results for setup, design, or troubleshooting.

🔧 Features

- Calculate pulley ratio for a two‑pulley belt drive.

- Find driven pulley RPM from motor speed and pulley sizes.

- Compute belt length based on pulley diameters and center distance.

- Determine belt speed for accurate performance checks.

- Convert horsepower (Hp) to kilowatts (kW) and kW to Hp instantly.

⚙️ Why You’ll Love It

- Clean, intuitive interface built for fast engineering calculations.

- Works offline, perfect for workshop or on-site use.

- Ideal for mechanics, engineers, students, and DIY builders alike.

💡 Extra Info

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