Everyday

Tip Calculator

Calculate tip amount and split the bill between multiple people easily.

Math

Fraction Calculator

Add, subtract, multiply and divide fractions. Get results in simplified form with step-by-

Everyday

Power Consumption Calculator

Calculate total household power consumption in kWh and estimate monthly electricity bill f

Health

Ideal Weight Calculator

Calculate your ideal body weight based on height and gender using multiple popular formula

Math

GCD and LCM Calculator

Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two or more

Physics

Ohm Law Resistor Color Code Calculator

Decode 4-band and 5-band resistor color codes to find resistance value and tolerance.

Marine

Sailing Distance Calculator

Calculate the total nautical distance and estimated sailing time of your yacht voyage acro

Everyday

Matrix Calculator

Add, subtract, multiply 2×2 and 3×3 matrices and calculate the determinant instantly.

Everyday

Binary Calculator

Perform addition, subtraction, multiplication and division on binary numbers with step-by-

Everyday

Tip Split Calculator

Calculate tip amount and split the total bill among any number of people with custom tip p

Marine

Sea Service Calculator

Calculate your total sea service accurately from multiple sign-on and sign-off dates for c

Marine

Average Speed Calculator

Calculate the true weighted average speed across multiple voyage legs in knots, kilometers

Marine

Maritime Unit Converter

Real-time conversion across multiple maritime categories including speed, length, pressure