Date & Time

Countdown Timer Calculator

Calculate the exact days, hours, minutes and seconds remaining until any future date and t

Date & Time

Time Duration Calculator

Calculate the total duration between two times in hours, minutes, and seconds. Supports ov

Random

Password Generator

Generate strong, secure random passwords with custom length and character options.

Physics

Force Calculator

Enter mass (kg) and acceleration (m/s²) to calculate the force in Newtons (N) based on New

Engineering

Voltage Drop Calculator

Calculate voltage drop and percentage drop across a cable run based on current, cable leng

Math

Payroll Tax Calculator

Calculate gross pay, tax deductions, and net take-home pay for employees with adjustable t

Physics

Newton Second Law Calculator

Calculate force, mass or acceleration using Newton's Second Law (F = ma). Solve for any mi

Everyday

Trigonometry Calculator

Calculate sin, cos, tan, asin, acos, atan and all trig values for any angle in degrees or

Finance

Pregnancy Trimester Calculator

Calculate which pregnancy trimester you are in and key milestones for each trimester.

Everyday

Statistical Probability Calculator

Calculate basic probability, complement, union and intersection of events from given outco

Marine

Arc to Time Converter

Convert arc measurements in degrees, minutes, and seconds to time in hours, minutes, and s

Marine

Speed Converter

Convert between knots, km per hour, mph, and meters per second, with a vessel speed catego

Marine

Time to Arc Converter

Convert time values in hours, minutes, and seconds into arc degrees, minutes, and seconds

Marine

Latitude Longitude Converter

Easily convert latitudes and longitudes between decimal degrees, degrees-minutes-seconds,