Calculator Guru Online – Professional Calculators for Every Need
🧮 PROFESSIONAL CALCULATORS

Calculator Guru Online

Your complete solution for all calculation needs. Finance, health, education, and more – calculate anything with our powerful collection of professional calculators.

Explore Tools Get Started

Finance & Business Calculators

Essential financial tools for personal and business calculations

Loan EMI Calculator
Calculate your monthly loan installments with ease.
4.8
Use Tool
GST Calculator
India-specific GST calculation tool for businesses.
4.7
Use Tool
Income Tax Calculator
Country-wise income tax calculation made simple.
4.6
Use Tool
Simple Interest Calculator
Calculate simple interest on your investments.
4.5
Use Tool
Compound Interest Calculator
Calculate compound interest and see your money grow.
4.9
Use Tool
SIP Calculator
Calculate returns on your mutual fund SIP investments.
4.7
Use Tool
FD Calculator
Calculate returns on your fixed deposits.
4.6
Use Tool
RD Calculator
Calculate returns on your recurring deposits.
4.5
Use Tool
Mortgage Calculator
Calculate your mortgage payments and affordability.
4.7
Use Tool
Credit Card EMI Calculator
Calculate EMI for your credit card purchases.
4.6
Use Tool
Retirement Calculator
Plan your retirement savings with this calculator.
4.8
Use Tool
Currency Converter
Convert between different currencies with real-time rates.
4.7
Use Tool
Profit & Loss Calculator
Calculate profit and loss for your business.
4.5
Use Tool
Discount Calculator
Calculate discounts and final prices quickly.
4.4
Use Tool
Break-even Point Calculator
Find out when your business will break even.
4.6
Use Tool

Health & Fitness Calculators

Track your health and fitness goals with precision

BMI Calculator
Calculate your Body Mass Index to assess weight status.
4.9
Use Tool
BMR Calculator
Calculate your Basal Metabolic Rate for diet planning.
4.7
Use Tool
Calorie Calculator
Calculate your daily calorie needs based on goals.
4.8
Use Tool
Ideal Weight Calculator
Find your ideal weight based on height and age.
4.6
Use Tool
Body Fat Calculator
Calculate your body fat percentage accurately.
4.7
Use Tool
Pregnancy Due Date Calculator
Calculate your expected due date during pregnancy.
4.8
Use Tool
Ovulation Calculator
Track your ovulation cycle for family planning.
4.6
Use Tool
Water Intake Calculator
Calculate your daily water intake requirements.
4.5
Use Tool
Heart Rate Zone Calculator
Calculate your target heart rate zones for exercise.
4.7
Use Tool

Education & Academic Calculators

Tools to help students and educators with academic calculations

GPA Calculator
Calculate your Grade Point Average easily.
4.9
Use Tool
CGPA to Percentage Calculator
Convert CGPA to percentage and vice versa.
4.8
Use Tool
Percentage Calculator
Calculate percentages, markups, and discounts.
4.7
Use Tool
Grade Calculator
Calculate your grades based on scores and weights.
4.6
Use Tool
Average Calculator
Calculate average of multiple numbers quickly.
4.5
Use Tool
Ratio Calculator
Calculate and simplify ratios easily.
4.4
Use Tool
Probability Calculator
Calculate probabilities for various events.
4.6
Use Tool
Statistics Calculator
Calculate mean, median, mode, and more.
4.7
Use Tool
Equation Solver Calculator
Solve linear and quadratic equations easily.
4.8
Use Tool
Scientific Calculator
Advanced calculator for complex calculations.
4.9
Use Tool

Date & Time Calculators

Calculate dates, times, and time zones with precision

Age Calculator
Calculate your exact age in years, months, and days.
4.9
Use Tool
Date Difference Calculator
Calculate the difference between two dates.
4.8
Use Tool
Days Between Dates Calculator
Calculate the number of days between two dates.
4.7
Use Tool
Time Zone Converter
Convert time between different time zones.
4.6
Use Tool
Countdown Timer Calculator
Create countdown timers to important events.
4.5
Use Tool
World Clock Calculator
Check current time in different cities worldwide.
4.4
Use Tool

Everyday Life Calculators

Practical calculators for everyday situations

Fuel Cost Calculator
Calculate fuel costs for your trips and vehicles.
4.7
Use Tool
Cooking Measurement Converter
Convert between different cooking measurements.
4.6
Use Tool
Length/Area/Volume Converter
Convert between different units of length, area, and volume.
4.8
Use Tool
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
4.9
Use Tool
Speed Converter
Convert between km/h, mph, and other speed units.
4.5
Use Tool
Weight Converter
Convert between kg, lbs, and other weight units.
4.7
Use Tool

E-Commerce & Shopping Calculators

Tools to help with online shopping and e-commerce calculations

EMI Calculator for Shopping
Calculate EMI for your online shopping purchases.
4.6
Use Tool
Shipping Cost Calculator
Calculate shipping costs for your online orders.
4.5
Use Tool
ROI Calculator
Calculate Return on Investment for your business.
4.7
Use Tool
Markup & Margin Calculator
Calculate markup and margin for pricing products.
4.6
Use Tool
Price Per Unit Calculator
Calculate price per unit to compare product values.
4.8
Use Tool

Tech & Web Calculators

Technical calculators for developers and tech professionals

Binary to Decimal Calculator
Convert binary numbers to decimal format.
4.7
Use Tool
Decimal to Hex Calculator
Convert decimal numbers to hexadecimal format.
4.6
Use Tool
IP Subnet Calculator
Calculate IP subnet masks and network details.
4.8
Use Tool
Bandwidth Calculator
Calculate bandwidth requirements for your network.
4.5
Use Tool
File Download Time Calculator
Calculate download time for files based on connection speed.
4.7
Use Tool