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PROFESSIONAL EHS CALCULATOR PLATFORM

Make safety calculations simpler & smarter.

Reliable, easy-to-use EHS calculators designed to support safety officers, HSE engineers, supervisors and workplace teams.

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19 practical calculatorsInstant results · Formula explanations · Free access
SAFETY TOOLKIT

EHS Calculator Hub

Ready to use
19Calculators
LiveInstant results
Risk assessmentRisk scores & matrix
Workforce calculationsMan-hours & working days
Safety performanceRates & indicators
Use results with competent professional judgement.
Safety firstEvery task, every day
Easy to use Mobile responsive Instant calculation Dark & light mode
ALL TOOLS IN ONE PLACE

Find your EHS calculator.

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Workforce & Hours

Man-Hours Calculator

Calculate total workforce hours.

Open calculator Safety Performance

LTIFR Calculator

Lost Time Injury Frequency Rate.

Open calculator Safety Performance

TRIR Calculator

Total Recordable Incident Rate.

Open calculator Risk Assessment

HIRA Risk Calculator

Assess hazard risk using likelihood and severity.

Open calculator Risk Assessment

Risk Matrix Calculator

Calculate risk score from likelihood and severity.

Open calculator Safety Performance

Severity Rate Calculator

Calculate severity rate from lost workdays and man-hours.

Open calculator Safety Performance

Frequency Rate Calculator

Calculate injury frequency rate.

Open calculator Safety Performance

Near Miss Rate Calculator

Calculate near-miss reporting rate per 100,000 hours.

Open calculator Safety Performance

Accident Rate Calculator

Calculate accident rate per 100 workers.

Open calculator Workforce & Hours

Lost Workdays Calculator

Calculate total lost workdays from incidents.

Open calculator Workforce & Hours

Working Days Calculator

Estimate total working days for a period.

Open calculator Workforce & Hours

Workforce Manpower Calculator

Calculate total manpower hours for a shift.

Open calculator Safety Performance

Safety Performance Calculator

Calculate safety performance percentage against a target.

Open calculator Fire & Exposure

Fire Load Calculator

Estimate fire load density from combustible contents.

Open calculator Workforce & Hours

PPE Cost Calculator

Estimate total PPE procurement cost.

Open calculator Risk Assessment

Bow-Tie Risk Score Calculator

Calculate a simple residual risk score after controls.

Open calculator Fire & Exposure

Noise Exposure Calculator

Estimate 8-hour noise dose using a simplified equal-energy model.

Open calculator Fire & Exposure

Heat Stress Calculator

Calculate a simple WBGT-adjusted screening index.

Open calculator Fire & Exposure

Exposure Rate Calculator

Calculate exposure hours per worker.

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GRGyana Ranjan Rout
EHS Professional
THE PERSON BEHIND SAFETYTOOLKIT

Meet the Developer

Gyana Ranjan Rout

Founder & CEO – Gyana Digital

Professional Safety Officer

Bringing real-world safety experience and a passion for technology together to make practical EHS calculations simpler and more accessible.

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