Tools that get things done.
Bravunel makes everyday calculations, conversions and practical tasks simpler. Get a useful answer quickly, understand what it means, and move on.
Free online tools
Choose a tool below. Each calculator is designed for a specific task and provides a straightforward result without requiring an account.
Deck Board Spacing Calculator
Calculate practical deck board spacing and 1/16-inch field marks for layout.
Open tool → FinanceAI Chart Analyzer
Analyze a trading chart for trends, patterns, support, resistance and possible scenarios.
Open tool → OtherSecurity Deposit Checker
Check security deposit deadlines, deductions and practical next steps.
Open tool → FinanceMortgage Calculator
Estimate mortgage payments using loan, tax, insurance and PMI inputs.
Open tool → FinanceAuto Loan Calculator
Estimate vehicle payments using financing details and loan terms.
Open tool → FinanceLoan Calculator
Calculate monthly payments, interest and total loan cost.
Open tool → FinanceCompound Interest Calculator
Estimate how savings or investments can grow through compound interest.
Open tool → FinanceSalary Calculator
Convert salary between annual, hourly, weekly, biweekly and monthly amounts.
Open tool → MathPercentage Calculator
Solve common percentage problems quickly and clearly.
Open tool → UtilitiesUnit Converter
Convert common length, weight, temperature, area, volume and speed units.
Open tool → Time & DateAge Calculator
Calculate your age from your date of birth.
Open tool → MathDiscount Calculator
Calculate sale prices, discounts and savings.
Open tool → MathAverage Calculator
Calculate the average of a set of numbers.
Open tool → UtilitiesRandom Number Generator
Generate random numbers between any two values.
Open tool → OtherTip Calculator
Calculate restaurant tips and split the bill.
Open tool → Writing & TextWord Counter
Count words and estimate reading time.
Open tool → Writing & TextCharacter Counter
Count characters with or without spaces.
Open tool → Writing & TextText Case Converter
Convert text between common letter cases.
Open tool → UtilitiesPassword Generator
Create strong random passwords for your accounts.
Open tool → UtilitiesQR Code Generator
Create QR codes from links and text.
Open tool → Time & DateDate Calculator
Add or subtract days and calculate differences between dates.
Open tool → Time & DateTime Calculator
Add, subtract and calculate time durations.
Open tool → MathFraction Calculator
Add, subtract, multiply, divide and simplify fractions.
Open tool → MathPercentage Change Calculator
Calculate percentage increases, decreases and changes.
Open tool → Time & DateAge Difference Calculator
Calculate the difference between two dates of birth.
Open tool → Time & DateTime Duration Calculator
Calculate the exact duration between two times.
Open tool → AutomotiveSpeed Calculator
Calculate speed, distance and travel time.
Open tool → AutomotiveFuel Cost Calculator
Estimate fuel usage and the cost of a trip.
Open tool → HealthBMI Calculator
Calculate body mass index from height and weight.
Open tool →Built for practical answers
Bravunel focuses on simple tools that solve a specific problem. We aim to make the inputs understandable, the results easy to interpret, and the experience useful on both phones and computers.
Simple to use
No account is required for the basic tools. Enter the information requested, run the calculation, and review the result.
Clear results
Tools are designed to show useful outputs without unnecessary steps. Where assumptions matter, the individual tool page should explain them.
Free access
The core collection is available without a subscription. Bravunel may use advertising to help support the service.
Frequently asked questions
Are Bravunel tools free?
Yes. Bravunel's core online tools are available without a paid subscription or account.
Do I need to create an account?
No account is required for the basic calculators and utilities.
Are calculator results guaranteed to be exact?
Results depend on the information entered and the assumptions used by each tool. They are intended for general informational and estimation purposes. Important financial, medical, legal or other professional decisions should be independently verified.
Can I use Bravunel on my phone?
Yes. The site and its tools are designed to work on modern mobile and desktop browsers.