Technical calculators, units and calculation tools.
Browse calculators for mechanics, automotive, electrical engineering, fluids, thermal engineering, materials and mathematics.
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Engineering calculators
Quick calculations with clearly described inputs, results and units.
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Cindren Forge
A local workspace for formulas, units, plots and calculation history.
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Trip average speed
Calculates average speed from distance in kilometers and time in hours.
Trip time from distance and speed
Calculates trip time from distance in kilometers and average speed in km/h.
Trip distance from speed and time
Calculates trip distance from speed in km/h and time in hours.
Fuel consumption L/100 km
Calculates average fuel consumption in L/100 km from fuel used and distance.