Mechanical Advantage Calculator
A mechanical advantage calculator answers three linked questions about one machine cycle: how much does the machine multiply your force, how much…
Workshop and site work runs on dimensions, rates, and tolerances that have to be right before anything is cut, drilled, or welded. These calculators cover the everyday engineering figures — lengths, areas, volumes, flow rates, and gear ratios — so a quick check on the job does not turn into a costly rework.
A large part of this collection is about making things: beam and coil lengths, thread engagement, spring wire length, drill tip length, and development length for rebar, plus the areas and volumes behind them, from shear area and total flow area to casing capacity and slurry volume. The Beam Length Calculator and the Drill Tip Length Calculator are typical of the group — figures a machinist, fabricator, or site engineer reaches for during a job, where getting them wrong usually means wasted material or a part that does not fit.
The other half is about rates and performance. Flow rates for hoses, drains, and pumps sit alongside material removal rates, weld deposition rates, corrosion rates, and failure rates, with electrical and mechanical checks like three-phase current, ohms to watts, mechanical advantage, and gear ratios rounding it out. Hose Flow Rate Calculator figures belong in that second group, as does the Gear Ratio Calculator. A few tools cross into production planning — product yield, scrap rate, defect rate, and percent nonconforming — for anyone keeping an eye on quality as well as output.
52 tools
Featured tool
Works out gear ratio and output speed from the teeth on the driver and driven gears.
Use calculatorA mechanical advantage calculator answers three linked questions about one machine cycle: how much does the machine multiply your force, how much…
Every investor asks the same four questions in different words: what did I actually earn, what income does this throw off, where is it headed, and when do I break even?
Enter the teeth on the driver gear and the driven gear and this calculator returns the gear ratio in decimal and simplified form, the output speed…
Sizing a breaker, a motor starter, or a feeder cable for three-phase equipment starts with one number: the line current in amps.
How far does it travel while it speeds up?
Resistance alone does not tell you the power: the same 24-ohm resistor dissipates 6 watts at 12 volts and 600 watts at 120 volts, because power depends on the voltage or current driving it.
Pounds per square inch is the pressure unit you meet on tire gauges, air compressor dials and hydraulic spec sheets.
In PWM motor control, 555 timer circuits and serial communication, the same question keeps coming up: for how long is the signal high versus low?
A long tail pair calculator models the long-tailed differential pair: two matched transistors sharing one tail resistance, with the output taken from one side.
HP here means horsepower, and this tool is about mechanical backup, not servers and not health points.
A large part of this collection is about making things: beam and coil lengths, thread engagement, spring wire length, drill tip length, and development length for rebar, plus the areas and volumes behind them, from shear area and total flow area to casing capacity and slurry volume. The Beam Length Calculator and the Drill Tip Length Calculator are typical of the group — figures a machinist, fabricator, or site engineer reaches for during a job, where getting them wrong usually means wasted material or a part that does not fit.
The other half is about rates and performance. Flow rates for hoses, drains, and pumps sit alongside material removal rates, weld deposition rates, corrosion rates, and failure rates, with electrical and mechanical checks like three-phase current, ohms to watts, mechanical advantage, and gear ratios rounding it out. Hose Flow Rate Calculator figures belong in that second group, as does the Gear Ratio Calculator. A few tools cross into production planning — product yield, scrap rate, defect rate, and percent nonconforming — for anyone keeping an eye on quality as well as output.