Skip to main content

Free Online Scientific Calculator

Advanced scientific calculator with trigonometry (sin, cos, tan), log, powers, roots, and factorials.

Client-Side Processing: All financial and personal inputs remain private in your browser.

Formula & Calculation Method

Standard mathematical evaluation with Radian and Degree modes

Perform advanced scientific and engineering math: trigonometric functions, natural and base-10 logarithms, square and cube roots, exponents, factorials, and constants (π, e).

Age Calculator

Calculate exact chronological age in years, months, days, hours, and minutes with next birthday countdown.

Date Calculator

Add or subtract days, weeks, months, and years to or from any calendar date.

Date Difference Calculator

Calculate the exact number of days, weeks, months, and business days between any two calendar dates.

Time Duration Calculator

Add, subtract, and calculate duration between hours, minutes, seconds, and time intervals.