Jumbo Calculator offers free, easy-to-use tools for all your calculation needs—covering finance, math, academics, and date-related tasks. Our specialized calculators deliver instant and accurate results to simplify complex work. Whether you're managing budgets, solving equations, or organizing schedules, our tools help you save time. All calculators are completely free and accessible on any device. Discover the perfect calculator for any task and make calculations effortless!
Powerful mathematical tools for students, teachers, and professionals
Plot mathematical functions, analyze graphs, and visualize equations with customizable settings.
Calculate percentages, percentage changes, and perform reverse percentage calculations.
Solve quadratic equations using the quadratic formula with step-by-step solutions.
Perform advanced scientific calculations including trigonometric functions and logarithms.
Add, subtract, multiply, and divide fractions, convert between fractions and decimals.
Generate random numbers within specified ranges for statistical analysis and games.
Perform binary arithmetic, convert between binary and decimal, and execute bitwise operations.
Calculate hexadecimal values, convert between hex and decimal, and perform hex arithmetic.
Simplify ratios, calculate equivalent ratios, and solve ratio problems with explanations.
Round numbers to specified decimal places, significant figures, or nearest whole number.
Convert numbers to and from scientific notation and perform operations with scientific notation.
Smart financial tools for loans, investments, savings, and budgeting
Calculate monthly payments, total interest, and amortization schedules for any loan.
Calculate car loan payments, interest rates, and total vehicle financing costs.
Generate detailed amortization schedules for loans with principal and interest breakdown.
Calculate monthly payments for various financing options and payment plans.
Calculate mortgage payments, compare loan terms, and estimate home affordability.
Determine how much house you can afford based on income, debts, and down payment.
Project investment growth, returns, and future value with compound interest.
Plan for retirement with savings projections and income needs analysis.
Convert between hourly, weekly, monthly, and annual salary with tax estimates.
Essential tools for students and educators to track academic performance
Track your attendance percentage and calculate how many classes you can miss.
Convert raw marks to percentages and calculate grade percentages for subjects.
Estimate your class rank based on GPA distribution and academic performance.
Plan your study schedule by calculating optimal study hours for exam preparation.
Handy tools for everyday tasks, conversions, and productivity
Generate strong, secure passwords with customizable length and character sets.
Convert between units, measurements, and different systems instantly.
Count words, characters, sentences, and paragraphs with detailed analysis.
Convert numbers into words for checks, documents, and formal writing.
Calculate exact age in years, months, days, and even hours or minutes.
Calculate days until birthdays, age at next birthday, and birthdate facts.
Convert text between uppercase, lowercase, title case, and sentence case.
Reverse text strings, words, or characters for coding or creative purposes.
Check if a year is a leap year and calculate days between dates accurately.
Convert between different pressure units like psi, bar, pascal, and atm.
Try our advanced Number to Words Converter supporting 50+ currencies. Instantly convert numbers into grammatically correct English for office documents, invoices, and bank cheques. Handles large values up to 20 digits with precise two-decimal formatting.
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A detail-driven engineer who enjoys turning code and numbers into simple, reliable online calculators. I create tools that cut through complexity and help users get accurate results quickly and effortlessly.