Percentage calculator
Two numbers, three common percentage questions answered at once.
X% of Y
0
- X is what % of Y0%
- % change from X to Y0%
Fraction calculator
Add, subtract, multiply, or divide two fractions and simplify the result.
/
/
Result, simplified
—
- As a decimal0
- Unsimplified—
Ratio calculator
Simplify a ratio, and scale it to find a missing term.
:
Simplified ratio
—
- Scaled ratio—
- Missing term (B, scaled)—
Average calculator
Enter numbers separated by commas or spaces to get the mean, median, and range.
Mean (average)
0
- Median0
- Count0
- Sum0
- Min – Max0 – 0
Scientific calculator
Type an expression using + − × ÷ ^ ( ) and functions like sqrt, sin, cos, tan, log, ln.
Supported: sqrt, sin, cos, tan, asin, acos, atan, log (base 10), ln, abs, exp, pow(a,b), pi, e
Result
0
Probability calculator
Find the chance of a single event, and combine two independent events.
P(event)
0%
- Both events happen0%
- At least one happens0%
- Neither happens0%
P(event) on a 0–100% scale