Pi Calculator
Calculate expressions that use pi, radians, trigonometry, powers, roots, and fractions in a readable online scientific calculator.
Pi calculator for expressions with pi
Use this pi calculator for formulas involving pi, radians, trigonometry, and powers.
The calculator includes a pi button and can combine pi with fractions, roots, and other scientific functions.
Features
- Pi constant button.
- Radians and trig expressions.
- Fractions and powers with pi.
- Implicit multiplication such as 2pi.
- LaTeX copy for formulas.
Example expressions
\pi2\pi\frac{\pi}{2}\cos(\pi)\sin\left(\frac{\pi}{6}\right)\pi^2
How to use this calculator
- Insert pi from the button panel or type pi.
- Use RAD mode for trigonometric expressions that contain pi.
- Combine pi with fractions, powers, and roots as needed.
Common input mistakes
- cos(pi) should be evaluated in RAD mode.
- 2pi means 2 multiplied by pi; the calculator handles this implicit multiplication.
- Do not use the letter p as a substitute for pi.
FAQ
How do I enter pi?
Use the pi button or type pi.
Can I calculate trig functions with pi?
Yes. Use RAD mode for expressions such as cos(pi).
Can I use pi in fractions?
Yes. Pi can be placed in the numerator or denominator.
Does 2pi work?
Yes. The calculator treats 2pi as 2 multiplied by pi.