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HSE Calculators
Work through exposure readings, vibration, geometry and workforce time with clear units, examples and source notes.
| Resource | Type / topic | Method / scope | Open resource |
|---|---|---|---|
WBGT calculator Combine measured wet-bulb, globe and air-temperature readings. | CalculatorHeat exposure | Measured sensor inputs | Open |
Noise exposure calculator Combine noise levels and task durations into daily exposure. | CalculatorNoise exposure | GB · 8-hour reference | Open |
NIOSH lifting calculator Calculate an origin lifting index using verified manual multipliers. | CalculatorErgonomics | Origin RNLE worksheet | Open |
Man-hours calculator Total worked or planned person-hours for a shared schedule. | CalculatorWorkforce planning | Person-hours arithmetic | Open |
Two-leg sling tension calculator Check static leg tension using angle and an entered capacity. | CalculatorLifting operations | Symmetric two-leg model | Open |
Man-days calculator Convert person-hours to person-days on your stated time basis. | CalculatorWorkforce planning | Person-day arithmetic | Open |
Chemical TWA calculator Combine one substance’s concentration readings across eight hours. | CalculatorChemical exposure | Single substance · 8 h | Open |
Hand-arm vibration calculator Combine tool trigger times into daily A(8) and exposure points. | CalculatorVibration exposure | GB · HAV A(8) | Open |
Whole-body vibration calculator Assess daily x/y/z RMS exposure and the highest daily axis. | CalculatorVibration exposure | GB · Three-axis A(8) | Open |
Ladder length calculator Estimate ladder length and base offset using UK-style geometry. | CalculatorWork at height | 4 up : 1 out · geometry | Open |
Excavation slope calculator Find top width and slope angle from an assessed H:V ratio. | CalculatorExcavation planning | Symmetrical geometry only | Open |
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