10 Simple Ways to Reduce Your Electricity Bill by 30%
Discover proven strategies to lower your monthly electricity costs with our comprehensive guide and calculator tools.
Instant, accurate calculations for finance, education, health, and more - all completely free!
Stay updated with our newest features and improvements
Added advanced functions and improved user interface for better calculation experience
Improved mobile responsiveness across all calculators for seamless mobile experience
Added BMI, calorie, and fitness calculators to help you track your health goals
Trusted by millions of users worldwide

Engineering Student
"PanCalculator has been a lifesaver for my engineering coursework. The scientific calculator is incredibly accurate and the step-by-step solutions help me understand complex problems."
Small Business Owner
"The financial calculators are perfect for my business needs. I use the markup calculator daily and it has helped me optimize my pricing strategy significantly."
High School Teacher
"I recommend PanCalculator to all my students. The educational calculators are user-friendly and help students verify their work. It is an excellent learning tool."
4.9/5 average rating from 25,840+ reviews
Explore our complete collection of free online calculators
Calculate your air conditioning electricity costs
Tamil Nadu electricity bill calculator
Bangalore electricity bill calculator
Maharashtra electricity bill calculator
Punjab electricity bill calculator
Uttar Pradesh electricity bill calculator
West Bengal electricity bill calculator
Kerala electricity bill calculator
Bangalore water bill calculator
Chennai water calculator
Delhi water bill calculator
Calculate your grade point average
Calculate your SAT test scores
Calculate your ACT test scores
AP Language and Composition score calculator
AP US History score calculator
Add, subtract, multiply, and divide fractions
Statistical chi-square test calculator
Solve differential equations step by step
Calculate partial derivatives
Calculate lumber board feet
Calculate tank volume and capacity
Calculate asphalt quantity needed
Calculate markup and profit margins
Calculate optimal sleep and wake times
Calculate running pace and times
Predict snow day probability
Calculate cattle pregnancy due dates
Calculate IVF pregnancy due date
Calculate amoxicillin dosage
Ages and Stages Questionnaire calculator
Profit First accounting calculator
Trusted by millions for accurate, fast, and reliable calculations
Get instant results with our optimized calculation engines
Precision‑tested algorithms ensure reliable results every time
Perfect experience across all devices and screen sizes
No hidden fees, no subscriptions – just free calculations
Intuitive interface designed for users of all skill levels
Regular updates with new features and improvements
Explore our comprehensive calculator categories
Join millions of users who trust PanCalculator for their daily calculations
Get the most accurate results with these helpful tips
Double-check your input values before calculating
Use the correct units for measurements and conversions
Save important calculations for future reference
Clear the calculator between different calculations
Verify results with alternative calculation methods
Keep your device updated for optimal performance
We're here to support you every step of the way
See why users choose PanCalculator for their daily calculations
Discover our top-rated calculator collections
Calculate electricity, water, and gas bills for all major providers across India
GPA, SAT, ACT, and academic score calculators for students and educators
Advanced math tools including fractions, derivatives, and statistical analysis
Building and construction tools for materials, measurements, and costs
Medical dosage, sleep, running pace, and wellness calculators
Unique calculators for specific industries and professional needs
Learn how to make the most of your calculations
Discover proven strategies to lower your monthly electricity costs with our comprehensive guide and calculator tools.
Learn how to read and calculate your Tamil Nadu electricity bill with our step-by-step breakdown and calculator.
Calculate the return on investment for solar panels and determine if solar energy is right for your home.
Get notified when we add new calculators and features to help with your calculations
No spam, unsubscribe anytime. We respect your privacy.
Choose from over 500 free calculators and get instant, accurate results
Browse our extensive collection
Input your data quickly
Receive instant accurate answers