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Engineering Calculators
Free online engineering calculators for energy conversion, gear ratios, beam deflection, and mechanical systems.
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Energy Converter
Convert between Joules, BTU, Calories, kWh, and Wh.
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Gear Ratio Calc
Calculate gear ratios, output RPM, and output torque.
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Beam Deflection
Calculate beam deflection, bending stress, and moment.
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Energy Converter
Convert between Joules, BTU, Calories, kWh, and Watt-hours
Joules
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BTU
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Calories
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kWh
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Wh
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Gear Ratio Calculator
Calculate gear ratio, output RPM, output torque, and speed/torque relationships
Results
Ratio: 3.00 : 1
Output: 333.33 RPM · 150.00 Nm
Gear Ratio
3.00
Output RPM
333.33
Output Torque (Nm)
150.00
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Beam Deflection
Calculate beam deflection, bending stress, and moment for simply supported beams
Results
δ = 0.00 mm
Max moment: 1000 Nm · Stress: 12.00 MPa
Deflection (mm)
0.00
Max Bending Moment (Nm)
0.00
Max Bending Stress (MPa)
0.00