Free exam tools
Work the math and code look-ups your exam asks for, and get the answer in seconds. Every tool is free, with no signup.
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Tools and calculators
5 resourcesRun the math your exam asks for and get the answer in seconds.
- CHST study plan builder: week-by-week scheduleA week-by-week CHST plan weighted by the four blueprint domains, from your exam date and hours.
- Fall clearance calculator for personal fall arrestAdd free fall, deceleration and D-ring shift to see the clearance a fall arrest system needs.
- Ladder angle calculator: 4 to 1 rule and lengthLanding height to the 4 to 1 base distance, the 75.5 degree angle and the ladder length to buy.
- Trench sloping calculator: OSHA soil type slopesPick the soil type and depth to get the OSHA maximum slope, angle and top width of the trench.
- OSHA incident rate calculator: TRIR, DART, LTIRHours and case counts to TRIR, DART, lost time and severity rates, with every step shown.