Welcome to our comprehensive collection of General Calculators — a curated suite of 30+ free online tools designed for students, professionals, and anyone who needs quick, reliable calculations. Whether you're working with significant figures in a chemistry lab, splitting a dinner bill with friends, or calculating loan payments, we've got the right tool for you.
Each calculator in this collection has been carefully built with accuracy and ease-of-use in mind. We've organized them into six intuitive categories so you can quickly find exactly what you need.
Why Use Our Calculators?
- Instant, accurate calculations without downloads
- Mobile-friendly design works on any device
- Professional-grade precision for all needs
- Clear step-by-step results you can verify
- Regular updates ensure current standards
- Privacy-focused — calculations stay in browser
Scientific & Precision
Master significant figures, scientific notation, and logarithms with precision tools.
Significant Figures Calculator
Numbers ko sahi significant figures mein calculate aur round karein.
ScientificSig Fig Counter
Kisi bhi number mein significant figures ki tadad foran maloom karein.
ScientificRound to Sig Figs
Numbers ko specific significant figures tak round karein.
ScientificScientific Notation Converter
Standard numbers ko scientific notation mein convert karein.
ScientificLogarithm & Antilog
Kisi bhi base ke liye log aur antilog calculate karein.
ScientificAccounting & Tape
Professional-grade calculators with running history and printable tape.
Calculator with Tape
Running history tape ke saath apni calculations check karein.
AccountingPrintable Tape Generator
Records ke liye apni calculations ki printable tape banayein.
AccountingWorkpaper Calculator
Accounting audit ke liye professional workpaper style calculator.
AccountingSum by Tag Calculator
Selected items ko tags ke mutabiq group karke jama karein.
AccountingPercentage & Discount
Quick calculations for sales, tips, and financial changes.
Percentage Calculator
Basic percentage aur percentage values maloom karein.
FinancialPercentage Change
Values mein izafa ya kami ka percentage nikalien.
FinancialWhat Percent is X of Y
Pata lagayein ke ek number dusre ka kitna fisad (percent) hai.
FinancialDiscount Calculator
Shopping discounts aur apni honay wali bachat calculate karein.
FinancialTip & Bill Splitter
Hotel bill par tip aur doston mein bill taqseem karein.
FinancialUnit Converters
Fast and accurate conversion between common measurement units.
Length Unit Converter
Meters, feet, inches aur miles ke darmiyan conversion karein.
ConversionWeight & Mass Converter
KG, pounds aur grams ko aapas mein convert karein.
ConversionTemperature Converter
Celsius, Fahrenheit aur Kelvin ka tabadla karein.
ConversionSpeed Converter
Mph, km/h aur knots ko convert karein.
ConversionArea Converter
Zameen ki paimaish: Acres, hectares aur square meters.
ConversionVolume Converter
Liters, gallons aur cups ke liye conversion tool.
ConversionNumber Converters & Basic Math
5 ToolsBasic Arithmetic Calculator
Simple calculator for addition, subtraction, multiplication, and division.
Fraction to Decimal Converter
Convert fractions to decimal numbers with precision.
Decimal to Fraction Converter
Convert decimal numbers to fractions in lowest terms.
Ratio Calculator
Calculate and simplify ratios between numbers.
Proportion Solver
Solve proportions and find missing values in ratios.
Everyday Math
5 ToolsAverage, Mean, Median & Mode Calculator
Calculate statistical measures including mean, median, and mode.
Time Add/Subtract Calculator
Add or subtract hours, minutes, and seconds easily.
Age Calculator
Calculate exact age in years, months, and days.
Simple & Compound Interest Calculator
Calculate simple and compound interest on investments and loans.
EMI / Monthly Payment Calculator
Calculate EMI and monthly payments for loans and mortgages.
How to Use These Calculators
Find Your Calculator
Browse categories above or use the table of contents to navigate directly to the type of calculator you need.
Click to Open
Select any calculator card to open the tool. Each calculator loads instantly with a clean, focused interface.
Enter Your Values
Input your numbers using the provided fields. Our calculators validate input and show helpful tips for accurate results.
Get Your Results
View instant calculations with clear formatting. Many tools show step-by-step breakdowns so you understand the math.
Frequently Asked Questions
Yes, all 30+ calculators in our General Calculators collection are completely free to use. There are no hidden fees, subscriptions, or limitations. We believe everyone should have access to accurate, professional-grade calculation tools.
Our calculators use industry-standard mathematical formulas and are regularly tested for accuracy. Scientific calculators handle up to 15 significant figures of precision, matching professional scientific equipment. Financial calculators follow standard banking calculation methods.
Absolutely! All our calculators are fully responsive and optimized for mobile devices. Whether you're using a smartphone, tablet, or desktop computer, you'll get the same professional experience with touch-friendly interfaces.
No account is required. Simply choose the calculator you need and start calculating immediately. For some advanced features like saving calculation history, you may optionally create a free account.
Use the category navigation above to browse calculators by type. Each calculator includes a clear description of what it does. If you're unsure, try our Basic Arithmetic Calculator for simple math, or explore the Percentage & Money section for everyday financial calculations.
By default, calculations are performed in your browser and not stored on our servers. For tape and workpaper calculators, you can export or print your calculation history. Your privacy and data security are our priorities.
Related Resources
How to Master Significant Figures
Complete guide to understanding and applying sig figs in science
GuidePercentage Calculations Explained
Everything you need to know about percentage math
GuideUnit Conversion Cheat Sheet
Quick reference for common unit conversions
ResourceFinancial Calculator Best Practices
Tips for accurate loan and interest calculations
Guide