All Calculators & Tools
Browse our complete library of professional calculators grouped by category. 50+ tools, all free, all instant.
Loan / EMI Calculator
Calculate your monthly EMI, total interest and total amount payable.
ROI Calculator
Calculate your Return on Investment percentage and net profit.
Compound Interest
Project your savings with daily, monthly or annual compounding.
Auto Loan Calculator
Calculate monthly car payments, total cost and interest for any vehicle loan.
Retirement Savings
Project your retirement savings goal based on monthly contributions and years.
Simple Tax Estimator
Quickly estimate income tax and after-tax take-home pay.
Credit Card Payoff
Find out how long it takes to pay off credit card debt at a given payment amount.
BMI Calculator
Calculate Body Mass Index using WHO standards. Supports metric and imperial.
BMR & Calorie Calculator
Calculate your Basal Metabolic Rate and daily calorie needs.
Macro Calculator
Calculate optimal protein, carbs and fat based on your goal and activity level.
Ideal Weight Calculator
Find your ideal body weight using multiple scientific formulas.
Heart Rate Zones
Calculate your maximum heart rate and training zones by age.
Water Intake Calculator
Calculate your recommended daily water intake based on weight and activity.
CGPA Calculator
Calculate CGPA from semester SGPA and convert to percentage for any Indian university.
Quadratic Equation
Solve any quadratic equation free with our quadratic formula calculator. Get real or complex roots, full step-by-step work, and clear examples in seconds.
Force Calculator (F=ma)
Calculate Force, Mass or Acceleration using Newton's Second Law.
Ohm's Law Calculator
Calculate Voltage, Current or Resistance using Ohm's Law (V=IR).
Kinetic Energy
Calculate kinetic energy using KE = ½mv².
Density Calculator
Calculate density, mass or volume using ρ = m/v.
Speed / Distance / Time
Calculate speed, distance or travel time using d = s × t.
Bottleneck Calculator
Check PC bottleneck for CPU and GPU at 1080p, 1440p, and 4K.
Age Calculator
Calculate exact age in years, months and days from date of birth.
Days Between Dates
Calculate the exact number of days, weeks and months between two dates.
Working Days Calculator
Count the number of working (weekday) days between two dates.
Add or Subtract Days From a Date
Add or subtract a number of days to any date to find the result date.
Concrete Calculator
Calculate the volume of concrete needed for slabs, footings and columns.
Flooring Calculator
Calculate the number of tiles or planks needed to cover any floor area.
Paint Calculator
Estimate the number of paint cans needed to cover walls and ceilings.
Brick Calculator
Calculate the number of bricks needed to build a wall of any size.
Recipe Scaling Calculator
Scale any recipe up or down for a different number of servings.
Cooking Unit Converter
Convert cups, tablespoons, teaspoons, ounces, grams and more.
Food Calorie Calculator
Estimate calories based on macronutrient content of a meal.
Mean, Median & Mode
Calculate mean, median, mode and range from a set of numbers.
Standard Deviation
Calculate population and sample standard deviation and variance.
Probability Calculator
Calculate event probability, odds and complementary probability.
Percentage Change
Calculate absolute and relative change between two values.
Unit Converter
Convert length, weight, temperature, speed and area with high precision.
Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal bases.
Data Size Converter
Convert bytes, KB, MB, GB, TB and more.
Percentage Of
Find what X percent of a value is. Simple and instant.
Discount Calculator
Calculate final sale price after applying a percentage discount.
Love Calculator
Calculate the true love percentage between two names with astrological modifiers.
FLAMES Calculator Game
Find out the relationship between two people using the classic FLAMES game.
Name Numerology
Get an advanced full-profile numerology reading based on your name and DOB.
Daily Love Horoscope
Get a daily refreshing love energy score and cosmic advice.
When Will I Get Married
Predict your marriage timing and style using Vedic astrology and numerology.
Love Tester
Test your ultimate compatibility using the TRUE LOVE algorithm.
Love Languages Test
Take this free quiz to discover your primary love language.