A screw mechanical advantage calculator determines the MA of a screw thread: MA = (2π × lead length) ÷ pitch. A screw with 1 mm pitch driven by a 15 cm screwdriver gives MA ≈ 942 — an input torque of 1 N·m at the handle produces 942 N of axial force, explaining why screws hold so well.
Difficulty:beginner
References
🔒
100% Free
No sign-up ever
✓
Accurate
Verified formulas
⚡
Instant
Results as you type
📱
Mobile Ready
All devices