Lifting Task Parameters
kg
cm
cm
cm
lifts/min
degrees
Risk Threshold Gauge
Lifting Index (LI)--
Low (≤1)Medium (1–3)High (≥3)
Awaiting Input
Lifting Assessment
Recommended Weight Limit (RWL)
--kg
Lifting Index (LI)
--ratio
Risk Classification
--
NIOSH Multipliers
RWL = LC × HM × VM × DM × FM × AM × CM
LC = 23 kg (51 lb)
HM = 25/H (≤1), VM = 1 − 0.003·|V−75|, DM = 0.82 + 4.5/D (≥1), FM = frequency factor, AM = 1 − 0.0032·A, C = coupling factor
Multiplier Contribution (normalized to 1)
RWL vs Actual Load (kg) [Metric]