Can I compute natural log?

Yes, set the base to Euler's number, approximately 2.71828.

What if the value or base is invalid?

The result field shows a dash when the value is non-positive or the base is invalid.

Can exponents be negative or fractional?

Yes, any real exponent is supported.

Logarithm & Exponent Calculator

Compute logarithms of any base and exponentiation results.

Works Offline

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No Login

No API

Logarithm

log_base(value)

Value

Base

Result

2.00000000

Exponentiation

base ^ exponent

Base

Exponent

Result

1024

About the Logarithm & Exponent Calculator

Calculate the logarithm of a value with any positive base, and separately compute exponentiation (base raised to an exponent), all client-side.

Examples

log base 10 of 100

log_10(100)

Output

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-07 · Runs entirely in your browser