Math Calculator Tool 2026
Exponent Calculator.
Calculate powers, squares, cubes, negative exponents, decimal exponents, and quick power tables.
Loading Exponent Calculator...
How to Use
Enter Base
Type the number you want to raise to a power.
Enter Exponent
Type the power, such as 2, 3, 10, or -2.
View Result
Get the final value and power table instantly.
Exponent Formula
Standard Formula
aⁿ = a × a × a ... n times
Example: 2⁵ means 2 × 2 × 2 × 2 × 2 = 32.
Complete Guide
Exponents are a compact way to write repeated multiplication. Instead of writing 2 × 2 × 2 × 2, you can write 2⁴. The base is the number being multiplied, and the exponent tells how many times the base is used.
Exponents appear in school math, algebra, science, finance, computer science, geometry, and statistics. Squares and cubes are the most common examples. A square uses power 2, while a cube uses power 3.
Negative exponents are also important. A negative exponent means reciprocal power. For example, 5⁻² equals 1 divided by 5², which is 1/25 or 0.04.
Zero exponent has a special rule. Any non-zero number raised to zero equals 1. This rule is used frequently in algebra and scientific notation.
Very large powers can quickly become huge. That is why this calculator may display large values in scientific notation to keep results readable and mobile-friendly.
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Exponent Calculator FAQs
1. What is an exponent?
An exponent shows how many times a base number is multiplied by itself. For example, 2 to the power of 3 means 2 × 2 × 2 = 8.
2. How does this exponent calculator work?
Enter a base number and an exponent. The calculator uses the power formula base raised to exponent and instantly shows the result.
3. What is the exponent formula?
The basic exponent formula is aⁿ, where a is the base and n is the exponent or power.
4. What is 2 to the power of 10?
2 to the power of 10 is 1024 because 2 is multiplied by itself 10 times.
5. What is a negative exponent?
A negative exponent means reciprocal power. For example, 2⁻³ equals 1 divided by 2³, which is 1/8 or 0.125.
6. What is zero exponent rule?
Any non-zero number raised to the power of zero equals 1. For example, 5⁰ = 1.
7. What is one exponent rule?
Any number raised to the power of one equals itself. For example, 9¹ = 9.
8. What is square in exponents?
A square means power of 2. For example, 7² means 7 × 7 = 49.
9. What is cube in exponents?
A cube means power of 3. For example, 4³ means 4 × 4 × 4 = 64.
10. Can this calculator handle decimal exponents?
Yes, this calculator can calculate decimal exponents where supported by browser math functions.
11. Can this calculator handle negative bases?
Yes, it can handle many negative base calculations, but decimal exponents with negative bases may not always produce real-number results.
12. Why does a very large exponent show scientific notation?
Very large results are displayed in scientific notation to keep the number readable and prevent layout overflow.
13. What is 10 to the power of 3?
10 to the power of 3 is 1000 because 10 × 10 × 10 = 1000.
14. What is 5 squared?
5 squared means 5², which equals 25.
15. What is 5 cubed?
5 cubed means 5³, which equals 125.
16. What does base mean?
The base is the number being multiplied repeatedly. In 3⁴, the base is 3.
17. What does power mean?
Power is another word for exponent. It tells how many times the base is used in multiplication.
18. Can I create a power table?
Yes, this calculator shows a quick power table from exponent 0 to 10 for the selected base.
19. Is exponent the same as multiplication?
Exponentiation is repeated multiplication. For example, 4³ means 4 multiplied by itself three times.
20. Is this exponent calculator free?
Yes, HQCalc exponent calculator is free and works instantly in your browser.