Calculator

Jack stand size calculator

Enter GVWR in pounds. Get minimum pair rating ((GVWR ÷ 2) × 1.5) and a 3 / 6 ton class or NO_MATCH. Never work under a jack alone.

Result

Enter values to begin.

Required ≈ (GVWR ÷ 2) × 1.5. Worked check: 6,000 × 0.75 = 4,500 → 3 ton (6,600 lb) pair.

Guides

Limits, safety notes, and when to stop shopping this ladder.