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-

Finance

SIP Calculator

Calculate returns on your Systematic Investment Plan (SIP) and see how your monthly invest

Finance

Protein Intake Calculator

Calculate your daily protein requirement based on body weight, activity level, and fitness

Math

Savings Goal Calculator

Calculate how much you need to save per month to reach a financial goal within a set timef

Business

Emergency Fund Calculator

Calculate how much emergency fund you need based on monthly expenses and savings months ta

Everyday

Power Consumption Calculator

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

Chemistry

Molar Mass Calculator

Calculate the molar mass of common chemical elements and look up atomic weights instantly.

Pregnancy

Body Surface Area Calculator

Calculate body surface area (BSA) using height and weight with Mosteller and DuBois formul

Health

Ideal Weight Calculator

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

Physics

Friction Force Calculator

Calculate friction force and normal force using the coefficient of friction and object mas

Chemistry

Empirical Formula Calculator

Find the empirical formula of a compound from the percentage composition of its elements.

Math

Mortgage Affordability Calculator

Calculate the maximum home loan you can afford based on your income, expenses, and interes

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.

Math

Slope Calculator

Calculate the slope, y-intercept, distance and equation of a line between two points (x1,

Marine

Sailing Distance Calculator

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

Science

Heat Index Calculator

Calculate the feels-like temperature from air temperature and relative humidity using the

Math

GPA Calculator

Calculate your semester GPA and cumulative GPA based on course grades and credit hours.

Everyday

Permutation and Combination Calculator

Calculate nPr (permutations) and nCr (combinations) for any values of n and r.

Construction

Paint Coverage Calculator

Calculate how much paint you need to cover walls, ceilings or any surface area for your pr

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-

Health

Body Surface Area Calculator

Calculate your Body Surface Area using Mosteller, DuBois and Haycock formulas for medical

Everyday

Tip Split Calculator

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

Finance

Target Heart Rate Calculator

Calculate your target heart rate training zones using the Karvonen formula with resting he

Science

Dew Point Calculator

Calculate the dew point temperature from air temperature and relative humidity using the M

Everyday

Coordinate Distance Calculator

Calculate the distance between two points on a 2D or 3D coordinate plane using the distanc

Science

Wind Chill Calculator

Calculate the feels-like temperature based on air temperature and wind speed using the off

Construction

Mulch Calculator

Calculate how many bags or cubic yards of mulch you need to cover a garden bed or landscap

Finance

Retirement Savings Calculator

Calculate how much you will have saved by retirement based on current savings, monthly con

Marine

Distance, Speed & Time Calculator

Calculate distance, speed, or time for any voyage leg, with an ETA mode, multi-leg passage

Marine

Gyro and Compass Error Calculator

Calculate gyro error, compass error, true course, magnetic course, and compass course from

Marine

Anchor Scope and Chain Length Calculator

Find how much anchor chain to pay out when anchoring, based on water depth, bow height, an

Marine

Great Circle Sailing Calculator

Calculate the shortest path distance and initial course between two points on the Earth su

Marine

Fresh Water Allowance Calculator

Professional multi-tab calculator for FWA, DWA, Draft Change, New Draft, Cargo Loading, an

Marine

Sea Service Calculator

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

Marine

Mercator Sailing Arrival Position Calculator

Swiftly discover your arrival coordinates given your departure position, course, speed and

Marine

Maritime Unit Converter

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

Marine

Average Speed Calculator

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