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We create calculators. Lots of them. We also localize our tools into over 90 languages so you don’t have to wrestle with unfamiliar currency symbols or measurement units.
Dive into our growing library below. They're all free without personal data collection or login required.
Find the total belt length needed for an open belt drive with two pulleys.
Compute flow rates and characteristics of circular pipes using the Manning equation with our free calculator.
Calculate gear ratios, output speeds, and torque relationships for mechanical systems.
Compute the approximate weight of a hollow pipe segment for planning and design.
Estimate the final balance and effective annual rate for your Certificate of Deposit.
Organize your monthly income and expenses, then see how much you can save.
Calculate how much you need to save to reach your financial goals
Plan and save for your dream vacation
Calculate monthly payments and view a single amortization schedule for your home loan
Find out how much house you can afford based on your income, debts, and down payment.
Calculate new monthly payments, interest savings, and break-even point on your refinance
Calculate your home down payment needs with our simple calculator tool.
Estimate your monthly Part B and Part D premiums, applying IRMAA surcharges or subsidies based on income
Estimate your daily water needs based on weight, activity, and climate
Calculate how many alcohol units in a given drink
Estimate how fast your heart rate declines after an intense workout.
Estimate attorney fees and legal costs for your case
Estimate the potential value of your personal injury settlement
Calculate estate planning costs and distribution amounts
Determine if your small claims case is worth pursuing
Calculate your annual income tax (IR) and monthly withholding (IRRF)
Calculate your FGTS balance, deposits, and potential withdrawals
Calculate your 13th salary (décimo terceiro) including INSS and IRRF deductions
Calculate VAT on goods and services
Calculate how early you can retire based on your savings, expenses, and investment returns.
Estimate your retirement withdrawals based on your savings, age, and expected lifespan.
Calculate how much you need to save for a comfortable retirement
Calculate your estimated retirement income from various sources
Calculate your rental property tax liability worldwide
Estimate your annual property tax based on property value, local tax rates, and exemptions
Compare the costs and benefits of renting versus buying a home to make an informed decision.
Calculate potential returns on your real estate investment
Compute current yield and yield-to-call for preferred shares
Enter your recurring contributions and share prices to find your average cost basis
Calculate your capital gains tax on stock sales for any country
Calculate your cryptocurrency tax liability from trading, mining, and staking
Determine the timeframe and total calories required to achieve your gain goal
Suggest symmetrical body part measurements for balanced proportions
Compute your estimated maximum weight you can lift for one rep across various formulas
Calculate your optimal heart rate training zones for different exercise intensities
Break down monthly payments and interest for your new or used car financing scenario.
Find out the estimated total cost differences between buying a car outright and leasing it for a term.
Calculate how much it costs to repaint your car, per panel and overall.
See how your vehicle’s value changes year by year, plus track total and monthly depreciation.
Calculate a comprehensive budget for your freelance projects, including expenses and profit margins
Calculate your MEI taxes, DAS payments, and revenue limits
Calculate your optimal hourly rate as a freelancer
Explore how much you'll pay monthly and overall, including interest and an origination fee.
Estimate monthly payments, total interest, and break-even on fees for your car title-backed loan.
See which of two payday loan offers is cheaper overall based on fees and rollover counts.
Find out how long until you pay off your credit card and how much interest and fees you'll pay along the way.
Distribute trip costs among attendees for a smooth outing.
Estimate how your monthly contributions grow over time.
Calculate your total cost of tuition for different degree programs.
Strategic pricing for your online course success.