Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Engineering
Gear Ratio & Torque Calculator
Compute the output torque, gear ratio, and mechanical advantage of a gear pair given tooth counts, input torque, and efficiency. Use this when designing gearboxes, drivetrains, or any power transmission system.
Fill in the required fields to see your result.
Engineering
Pipe Pressure Drop Calculator
Calculate frictional pressure drop in a pipe using the Darcy-Weisbach equation, given friction factor, length, diameter, and fluid velocity. Use it for pump sizing, HVAC duct design, and fluid distribution system layout.
Fill in the required fields to see your result.
Key differences
| Gear Ratio & Torque Calculator | Pipe Pressure Drop Calculator | |
|---|---|---|
| Category | Engineering | Engineering |
| Inputs required | 4 | 5 |
| Result | Output Torque (Nm) | Pressure Drop (Pa) |
| What it does | Compute the output torque, gear ratio, and mechanical advantage of a gear pair given tooth counts, input torque, and efficiency. Use this when designing gearboxes, drivetrains, or any power transmission system. | Calculate frictional pressure drop in a pipe using the Darcy-Weisbach equation, given friction factor, length, diameter, and fluid velocity. Use it for pump sizing, HVAC duct design, and fluid distribution system layout. |