Example engineering calculations
Worked, unit-aware calculation worksheets across structural, mechanical, electrical and more. Open any example into your own workspace to edit and reuse.
12 examples found
Average Speed
Average speed of a journey from distance and time.
Specific Weight of a Fluid
Weight per unit volume of a fluid from its density.
Cylindrical Tank Volume
Volume of a vertical cylindrical tank from its radius and height.
Mass Flow Rate from Volume Flow
Mass flow rate of a fluid from its density and volumetric flow rate.
Pressure from Force and Area
Pressure exerted by a force distributed over an area.
Energy Conversion Efficiency
Efficiency of a device as useful output over energy input.
Mechanical Power
Average mechanical power from work done over a time interval.
Simple Interest
Simple interest earned on a principal over time.
Present Value
Present value of a future sum discounted at a given rate.
Payback Period
Simple payback period of an investment from its cost and annual saving.
Straight-Line Depreciation
Annual straight-line depreciation of an asset.
Efficiency of a Two-Stage System
Overall efficiency of two processes in series from their individual efficiencies.