Torr to atm Conversion
Calculate Torr to atm Conversion easily.
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View allConversion Calculator
Calculate Conversion Calculator easily.
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Pressure Conversion
Convert between PSI, Bar, Pascal, Atm, and Torr.
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Hardness Conversion Calculator
Calculate Hardness Conversion Calculator easily.
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Light Year Conversion
Convert Light Years to km/miles.
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bar to psi Conversion
Calculate bar to psi Conversion easily.
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Density Conversion
Convert between kg/m³, g/cm³, and lbs/ft³.
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Energy Conversion Calculator
Convert between Joules, Calories, kWh, and BTU.
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Speed Conversion
Convert between MPH, KPH, m/s, and Knots.
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Temperature Conversion
Convert between Celsius, Fahrenheit, and Kelvin.
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Byte Conversion Calculator
Convert between Bytes, KB, MB, GB, TB, and PB.
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mcg to mL conversion
Calculate mcg to mL conversion easily.
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Articles
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Feb 11, 2026
Temperature Conversions: Celsius vs Fahrenheit
Why does the US use Fahrenheit while the rest of the world uses Celsius? Learn the history and the math behind converting temperatures.
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Jan 28, 2026
Metric vs. Imperial: A History of Measurement Systems
Why does the US use miles while Europe uses kilometers? Explore the history, politics, and science behind the world's two dominant measurement systems.
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View allCan I use a ft-lb wrench for in-lb specs?
Only if the conversion falls within the reliable range of the wrench. Usually, ft-lb wrenches are not accurate below 10-20 ft-lbs (120-240 in-lbs).
Price conversion?
$/Bu to $/Tonne? Multiply $/Bu by the number of bushels in a tonne (~39.3 for Corn).
Why not calculate circle area normal way?
You can, but measuring diameter in feet is annoying (0.83 ft). Measuring in inches (10 in) is easier. The 0.005454 constant handles the Inch-to-Foot conversion squared.
Why 0.0821 R?
Because Kp is typically defined with partial pressures in atmospheres (atm) and Kc in Molarity (mol/L). The units of conversion require L·atm/mol·K.
Does Path Length matter?
Not for conversion between A and T. But it matters for Beer's Law (A to Concentration).
Hectare conversion?
1 Hectare is exactly 10,000 square meters (100m x 100m).
How many gallons in 1 sq ft 1 inch deep?
0.623 gallons. This is the standard conversion factor used for rainfall calculations.
Price conversion?
If you see a price in Sq Ft and want to compare it to Sq Yd, just multiply the Sq Ft price by 9.