Calculus
Riemann Sum Calculator
Lets users solve and check riemann sum instantly with formula, steps and examples — no manual math.
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1200
Your result
Riemann sum
21.25
mid-point Riemann sum with 8 rectangles ≈ 21.25.
Rectangle width
0.5
About this calculator
A Riemann sum approximates area under a curve with n rectangles of width (b−a)/n. Left, right and midpoint rules differ in sampling; midpoint is usually most accurate. As n→∞ it converges to the definite integral.
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