iCalculate.org

iCalculate is a flexible, efficient and powerful online scientific calculator. It performs online equational calculation, unit conversion, percentage calculation and symbol lookup. 

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Tips: Press Enter to calculate. Press Ctrl + Enter to clear fields.

Online Equation Calculator

Online Percentage Calculator

Online Unit Conversion

Online Lookup Table

Examples

1.2 * (2 + 4.5) = 7.8 8 % 3 = 2 sin(45 deg)^2 = 0.5 abs(-2.3)+min(1,2) = 3.3
sqrt(3^2 + 4^2) = 5 2^4+log(8,2)+log10(100) = 21 3 inch + 2 cm = 3.7874 inch 90 km/h to m/s = 25 m / s
det([-1, 2; 3, 1]) = -7 pow(2,10) = 1024 var(1,2,3,4,5) = 2.5 9.81 m/s^2 * 100 kg * 40 m = 39.24 kJ