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191656e | 1 2 3 4 5 6 7 8 | {"id":"trir","name":"TRIR","full_name":"OSHA Total Recordable Incident Rate","formula":"TRIR = (recordable cases × 200000) / total hours worked","multiplier":200000,"multiplier_meaning":"200000 ≈ 100 employees × 40 hr/wk × 50 wk/yr — the OSHA standard exposure base","inputs":["recordable cases (OSHA 29 CFR 1904.7)","total hours worked"],"output_unit":"cases per 100 full-time employees per year","jurisdiction":"United States","authority":"OSHA","source":"29 CFR 1904","source_url":"https://www.osha.gov/recordkeeping","example":{"recordable_cases":3,"hours":500000,"result":1.2},"benchmarks_2024":{"us_private_industry":2.7,"construction":2.5,"mining":1.7,"manufacturing":2.8,"healthcare":4.7,"retail":2.6},"related_pages":["https://www.smartqhse.com/trir-calculator","https://www.smartqhse.com/safety-blog/ltir-vs-trir-vs-ltifr-differences"]}
{"id":"ltifr","name":"LTIFR","full_name":"Lost Time Injury Frequency Rate","formula":"LTIFR = (LTI cases × 1000000) / total hours worked","multiplier":1000000,"multiplier_meaning":"Per million hours worked — international ILO/HSE standard","inputs":["lost time injuries (>1 day away from work)","total hours worked"],"output_unit":"lost-time injuries per million hours","jurisdiction":"International (ILO/UK/GCC/AU)","authority":"ILO, UK HSE","source":"ILO 16th ICLS Resolution III","source_url":"https://www.ilo.org/global/statistics-and-databases/lang--en/index.htm","example":{"lti_cases":2,"hours":500000,"result":4},"benchmarks_2024":{"uk_all_industries":1,"gcc_oil_gas_iogp":0.6,"uae_construction_oshad":3,"australia_mining":2.5},"related_pages":["https://www.smartqhse.com/safety-blog/ltir-vs-trir-vs-ltifr-differences"]}
{"id":"dart","name":"DART","full_name":"Days Away, Restricted, or Transferred Rate","formula":"DART = (DART cases × 200000) / total hours worked","multiplier":200000,"multiplier_meaning":"Same OSHA 200000 base as TRIR; subset (cases with days away or job transfer/restriction)","inputs":["DART cases per OSHA 29 CFR 1904.7","total hours worked"],"output_unit":"DART cases per 100 full-time employees per year","jurisdiction":"United States","authority":"OSHA","source":"29 CFR 1904.7","source_url":"https://www.osha.gov/recordkeeping/RKforms.html","example":{"dart_cases":2,"hours":500000,"result":0.8},"benchmarks_2024":{"us_private_industry":1.7},"related_pages":["https://www.smartqhse.com/dart-rate-calculator"]}
{"id":"afr","name":"AFR","full_name":"Accident Frequency Rate","formula":"AFR = (accidents × 1000000) / total hours worked","multiplier":1000000,"multiplier_meaning":"Per million hours; broader than OSHA recordable. Common UK HSE / GCC default","inputs":["accidents (definition varies; often any reportable incident)","total hours worked"],"output_unit":"accidents per million hours","jurisdiction":"United Kingdom, GCC, generic","authority":"UK HSE","source":"HSE Methods Statement","source_url":"https://www.hse.gov.uk/statistics/sources.htm","example":{"accidents":5,"hours":500000,"result":10},"related_pages":["https://www.smartqhse.com/afr-calculator","https://www.smartqhse.com/frequency-rate-calculator"]}
{"id":"severity_rate","name":"Severity Rate","full_name":"Severity Rate (days lost per million hours)","formula":"Severity = (days lost × 1000000) / total hours worked","multiplier":1000000,"multiplier_meaning":"Per million hours — a measure of how serious injuries are on average","inputs":["total days lost (sum across all LTI cases)","total hours worked"],"output_unit":"days lost per million hours","jurisdiction":"International (ILO)","authority":"ILO","source":"ILO 16th ICLS Resolution III","source_url":"https://www.ilo.org/global/statistics-and-databases/lang--en/index.htm","example":{"days_lost":40,"hours":500000,"result":80},"related_pages":["https://www.smartqhse.com/severity-rate-calculator"]}
{"id":"trifr","name":"TRIFR","full_name":"Total Recordable Injury Frequency Rate","formula":"TRIFR = (recordable injuries × 1000000) / total hours worked","multiplier":1000000,"multiplier_meaning":"Same numerator as TRIR but per-million-hours basis (Australian / IOGP standard)","inputs":["recordable injuries","total hours worked"],"output_unit":"recordable injuries per million hours","jurisdiction":"Australia, NZ, IOGP global oil & gas","authority":"Safe Work Australia, IOGP","source":"Safe Work Australia WHS Code; IOGP Safety Performance Indicators","source_url":"https://www.iogp.org/bookstore/product/iogp-report-2023s-safety-performance-indicators-2022-data/","example":{"recordable_injuries":3,"hours":500000,"result":6},"benchmarks_2024":{"iogp_global_oil_gas":0.83,"australia_construction":5.2,"australia_mining":2.6},"related_pages":["https://www.smartqhse.com/safety-blog/ltir-vs-trir-vs-ltifr-differences"]}
{"id":"ltir","name":"LTIR","full_name":"Lost Time Incident Rate (OSHA basis)","formula":"LTIR = (LTI cases × 200000) / total hours worked","multiplier":200000,"multiplier_meaning":"OSHA-basis equivalent of LTIFR — per 100 FTEs","inputs":["lost time injuries","total hours worked"],"output_unit":"LTI per 100 FTE per year","jurisdiction":"United States","authority":"OSHA","source":"29 CFR 1904","source_url":"https://www.osha.gov/recordkeeping","example":{"lti_cases":2,"hours":500000,"result":0.8},"related_pages":["https://www.smartqhse.com/ltir-calculator"]}
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