100% Free | No Signup
We create calculators. Lots of them. We also localise 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.
Calculate gear ratios, output speeds, and torque relationships for mechanical systems.
Calculate heat transfer rates, energy loss, and associated costs through materials.
Compute Euler's critical load for a simply supported slender beam ignoring advanced constraints.
Calculate power consumption, energy usage, and costs based on voltage and current inputs.
Plan and save for your dream vacation
Calculate how much you need to save to reach your financial goals
Calculate your total net worth by assessing your assets and liabilities
Organise your monthly income and expenses, then see how much you can save.
Calculate your home deposit needs with our simple calculator tool.
Calculate monthly payments and view a single amortisation schedule for your home loan
Calculate new monthly payments, interest savings, and break-even point on your refinance
Find out how much house you can afford based on your income, debts, and down payment.
Use the NZ Navy method to gauge your approximate body fat.
Compute how many grams of carbs, protein, and fat you should consume daily.
Calculate how many hours of sleep deficit you accumulate
Estimate your BAC level based on drinks consumed, weight, and gender factor
Estimate lawyer fees and legal costs for your case
Calculate estate planning costs and distribution amounts
Determine if your small claims case is worth pursuing
Estimate monthly child support payments based on income and expenses
Calculate your carbon footprint tax liability based on your activities
Calculate your Goods and Services Tax (GST) liabilities and credits in New Zealand
Calculate your annual income tax (IR) and monthly withholding (IRRF)
Calculate VAT on goods and services
Calculate how much you need to save for a comfortable retirement
Estimate your retirement withdrawals based on your savings, age, and expected lifespan.
Calculate how early you can retire based on your savings, expenses, and investment returns.
Calculate your estimated retirement income from various sources
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 your rental property tax liability worldwide
Calculate potential returns on your real estate investment
Calculate yield to maturity, current yield, and more for your bonds
Determine your option trade's profit, break-even, and return
Calculate your tax liability on dividend income worldwide
Calculate your cryptocurrency tax liability from trading, mining, and staking
Calculate your Body Mass Index (BMI) and assess potential health risks
Calculate your optimal heart rate training zones for different exercise intensities
Find your average speed and pace for a given distance and time
Compute your estimated maximum weight you can lift for one rep across various formulas
Adjust coverage level, age, mileage, credit standing, and deductible to estimate monthly and annual premiums.
Predict how many months remain before your tyres reach minimum safe tread depth and plan out the cost of new tyres.
Calculate the total cost of owning and maintaining a vehicle in New Zealand
Break down monthly payments and interest for your new or used car financing scenario.
Calculate your optimal hourly rate as a freelancer
Calculate a comprehensive budget for your freelance projects, including expenses and profit margins
Calculate your MEI taxes, DAS payments, and revenue limits
Explore how much you'll pay monthly and overall, including interest and an origination fee.
See which strategy can reduce your debt faster and potentially lower total interest costs.
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.
Divide total study hours among your modules evenly.
Calculate your final grade with weighted assignments.
Calculate your potential tax savings from student loan interest deductions (up to $2,500).
Calculate your monthly payments and total costs for various student loan repayment plans