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189 tools
Free calculator to plan the refinancing of loans by comparing existing and refinanced loans side by side, with options for cash out, mortgage points, and fees.
Free auto loan calculator to determine the monthly payment and total cost of an auto loan, while accounting for sales tax, fees, trade-in value, and more.
This calculator computes the Required Minimum Distribution (RMD) of your retirement accounts. It also predicts future distributions which can be used to plan ahead.
Lease calculator helps you determine the monthly and total payments for a lease. In order to do that you will need to know the initial and residual value of the good that you'd like to lease, the lease interest rate and the lease term.
Efficiently estimate commissions with our commission calculator. Find the perfect commission rate for your needs. Calculate now and excel!
This calculator computes the surface area of a number of common shapes, including sphere, cone, cube, cylinder, capsule, cap, conical frustum, and more.
This free time card calculator generates weekly time reports based on provided work times and hourly rates. It can account for various overtime situations.
This free gravel calculator estimates the amount of gravel needed to cover an area. It can also estimate the cost.
This free conversion calculator converts between common units of length, temperature, area, volume, weight, and time.
Free calculator to evaluate the options of either cash back or low interest offers when buying a car and to learn more about the tradeoffs.
Free online income tax calculator to estimate U.S federal tax refund or owed amount for both salary earners and independent contractors.
This calculator provides an estimated pregnancy schedule based on the due date, last period date, ultrasound date, conception date, or IVF transfer date.
This GFR calculator estimates the glomerular filtration rate for both adults and children based on serum creatinine value.
This is an online scientific calculator with double-digit precision that supports both button click and keyboard type.
This free hex calculator can add, subtract, multiply, and divide hexadecimal values, as well as convert between hexadecimal and decimal values.
This free GDP calculator computes GDP using both the expenditure approach as well as the resource cost-income approach.
This free converter converts between Arabic numbers and Roman numerals. It also converts between dates in both formats.
Solve for the implied interest rate from present value, future value, and time period using Newton-Raphson iteration. Find the rate needed to grow any investment to a target.
Free calculators that help with retirement planning with inflation, social security, life expectancy, and many more factors being taken into account.
Free calculator to estimate the financial consequences of marriage to the participant individuals in terms of U.S. federal income taxation.
Free estate tax calculator to estimate federal estate tax in the U.S. Also gain in-depth knowledge on estate tax and check the latest estate tax rate.
This free percent error calculator computes the percentage error between an observed value and the true value of a measurement.
This free calculator can compute the number of possible permutations and combinations when selecting r elements from a set of n elements.
Calculator to compute the confidence interval or margin of error of a sample based on the desired confidence level. It also provides an error bar diagram.