Health

Body Fat Calculator

Estimate your body fat percentage using the US Navy method based on waist, neck, and heigh

Math

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal bases instantly.

Finance

Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio and assess your health risk category based on WHO guidel

Health

Water Intake Calculator

Calculate your recommended daily water intake based on your weight, activity level and cli

Ecology

Electricity Cost Calculator

Calculate the electricity cost of any appliance based on wattage, daily usage hours, and t

Pregnancy

Ovulation Calculator

Calculate your ovulation date and fertile window based on your last period and cycle lengt

Health

Calorie Calculator

Calculate your daily calorie needs (TDEE) based on age, weight, height and activity level.

Finance

Protein Intake Calculator

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

Pregnancy

Heart Rate Zone Calculator

Calculate your 5 heart rate training zones based on your age or custom max heart rate.

Business

Emergency Fund Calculator

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

Everyday

Fuel Cost Calculator

Calculate your fuel cost for a trip based on distance, fuel efficiency, and fuel price.

Finance

Calories Burned Swimming Calculator

Estimate calories burned during swimming based on stroke, duration, and body weight.

Health

Ideal Weight Calculator

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

Finance

Pregnancy Weight Gain Calculator

Calculate recommended total and weekly weight gain during pregnancy based on pre-pregnancy

Pregnancy

Blood Pressure Checker

Check your blood pressure reading and classify it as normal, elevated, or hypertensive bas

Math

Mortgage Affordability Calculator

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

Math

Freelancer Rate Calculator

Calculate your ideal hourly or daily freelance rate based on desired annual income, expens

Finance

Vitamin D Calculator

Estimate your daily Vitamin D synthesis from sun exposure based on skin type, latitude, an

Math

Cryptocurrency Profit Calculator

Calculate profit or loss from a cryptocurrency trade based on buy price, sell price, and i

Math

Rental Yield Calculator

Calculate gross and net rental yield on a property investment based on rent, price, and ex

Finance

Calorie Burned Calculator

Estimate calories burned during various exercises based on your weight, activity, and dura

Physics

Force Calculator

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

Math

Pension Calculator

Estimate your retirement pension corpus and monthly income based on monthly contribution,

Sports

Cricket Strike Rate Calculator

Calculate your cricket strike rate to measure how quickly a batsman scores runs based on b

Finance

Macro Nutrient Calculator

Calculate daily protein, carbohydrate, and fat targets based on your calorie goal and fitn

Everyday

Binary to Decimal Converter

Convert between binary, decimal, hexadecimal, and octal number systems instantly.

Pregnancy

Sleep Cycle Calculator

Calculate optimal wake-up times based on sleep cycles to wake feeling refreshed and alert.

Chemistry

pH Calculator

Calculate the pH of a solution using the H⁺ ion concentration. Enter the concentration in

Business

Salary Increment Calculator

Calculate future salary growth based on yearly increment percentage.

Pregnancy

Fertile Window Calculator

Calculate your fertile window and most likely ovulation date based on your cycle length.

Finance

Credit Card Payoff Calculator

Calculate how many months it will take to pay off a credit card balance, and the total int

Engineering

Voltage Drop Calculator

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

Pregnancy

Conception Date Calculator

Estimate your likely conception date based on your last menstrual period (LMP) and average

Science

Escape Velocity Calculator

Calculate the escape velocity needed to break free from the gravitational pull of a planet

Construction

Drywall Calculator

Calculate how many drywall sheets you need for a room based on wall dimensions, sheet size

Ecology

Household Water Usage Calculator

Estimate daily, weekly and annual household water usage based on showers, toilet flushes,

Business

Employee Turnover Rate Calculator

Calculate employee turnover rate for a period based on the number of separations and the a

Math

Commission Calculator

Calculate sales commission, total earnings, commission rate, and net pay for any commissio

Chemistry

Buffer Solution pH Calculator

Calculate the pH of a buffer solution using the Henderson-Hasselbalch equation.

Health

Blood Alcohol Content Calculator

Estimate your Blood Alcohol Content (BAC) based on drinks consumed, body weight, gender an

Pregnancy

Calorie Intake by Age Calculator

Find the recommended daily calorie intake for children, teens and adults based on age, gen

Finance

Lease Payment Calculator

Calculate your monthly lease payment based on vehicle price, residual value, money factor

Math

GPA Calculator

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

Business

Shipping Cost Calculator

Estimate shipping costs based on package weight, dimensions and shipping zone.

Everyday

Hex to Binary Converter

Convert hexadecimal numbers to binary, decimal and octal. Also convert binary or decimal t

Everyday

Logarithm Calculator

Calculate log base 10, natural log (ln), log base 2, and any custom base logarithm.

Everyday

Exponent Calculator

Calculate exponents, powers, and roots. Supports any base and exponent including fractions

Everyday

Zodiac Sign Calculator

Find your Western zodiac sign and personality traits based on your date of birth.

Everyday

Numerology Calculator

Calculate your Life Path Number, Expression Number and Soul Urge Number based on your name

Everyday

Electricity Bill Splitter

Split your electricity bill fairly among roommates or household members based on usage or

Everyday

Lawn Care Calculator

Calculate the amount of fertilizer, seed or weed killer needed for your lawn based on area

Everyday

Pool Volume Calculator

Calculate the volume of your swimming pool in gallons and liters based on shape and dimens

Science

Wind Chill Calculator

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

Everyday

Love Compatibility Calculator

Calculate fun love compatibility score between two people based on their names and birth d

Math

Grade Calculator

Calculate your overall course grade based on assignment scores and weights or find the gra

Health

Sleep Hours Calculator

Calculate the recommended sleep duration by age and find the optimal bedtime or wake-up ti

Everyday

Dog Age Calculator

Convert your dog age to human years based on size and breed group for a more accurate comp

Pregnancy

Ovulation Calculator

Calculate your ovulation day and fertile window based on your last period date and cycle l

Finance

Retirement Savings Calculator

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

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

ETA Calculator

Precise estimated time of arrival calculations for your destination port based on distance

Marine

Marine Bunker Fuel Consumption Calculator

Calculate marine bunker fuel consumption accurately for a single voyage or across a whole