Finance Tools

Number Tools

Number Tools

Present Value of a Future Sum Calculator

Calculate the present value of future money with our free online calculator. Determine how much a future sum is worth today based on interest rate and time period.

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Price Calculator

Free online price calculator to determine final cost after applying tax rates and discounts. Calculate sales tax, percentage discounts, and add optional notes.

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Profit Calculator

Quickly calculate profit and profit margin from revenue and cost inputs. Get instant, formatted results with clear financial insights. Free online tool for businesses and entrepreneurs.

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Profit Goal Calculator

Calculate exactly how many units you need to sell to reach your profit goal. Input selling price, variable costs, fixed costs, and target profit. Get instant results with validation.

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Profit Margin Calculator

Quickly calculate profit margin percentages using revenue and cost inputs. Get instant results with validation and loading feedback for accurate financial analysis.

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Profitability Ratios Calculator

Calculate key financial profitability ratios including gross margin, ROA, and ROE from JSON input. Free online tool for financial analysis with validation and percentage outputs.

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Property Depreciation Calculator – Real Estate

Calculate real estate property depreciation schedules using straight-line or double-declining methods. Supports full-year, half-year, and mid-month conventions for accurate tax calculations.

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RMD Calculator

Calculate your required minimum distribution (RMD) for retirement accounts using IRS life expectancy tables. Get accurate RMD amounts based on age and account balance.

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ROI Calculator

Calculate your return on investment (ROI) and annualized ROI with our free calculator. Input initial investment, current value, and duration to measure investment performance.

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Real Estate Investment Calculator

Free real estate investment calculator. Input property details, loan terms, and expenses to calculate cash flow, ROI, cap rate, and other key investment metrics instantly.

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Refinance Calculator

Free refinance calculator to analyze potential savings, compare monthly payments, and calculate total interest costs when refinancing your mortgage or loan. Make informed financial decisions.

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Rent Calculator

Calculate monthly and total rent costs including utilities, parking, and occupancy fees. Parse JSON input and get accurate rental cost estimates in seconds.

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Rent vs. Buy Calculator

Free interactive calculator to compare long-term financial outcomes of renting versus buying a home. Includes mortgage, taxes, insurance, maintenance, and opportunity costs.

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Rental Property Calculator

Calculate rental property financial metrics including NOI, cap rate, cash-on-cash return, cash flow, and ROI. Analyze purchase price, financing, income, and expenses.

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Retirement Calculator

Calculate retirement savings projections based on your age, contributions, and financial goals. Plan for a secure retirement with accurate savings and income forecasts.

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Retirement Savings Calculator

Calculate how much you need to save for retirement based on your age, income goals, current savings, and expected returns. Plan your retirement strategy with accurate projections.

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Reverse Sales Tax Calculator

Quickly calculate the original price before tax from any total amount. Enter multiple tax rates as JSON and get accurate pre-tax prices with validation and error handling.

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Roth IRA Contribution & Eligibility Calculator

Calculate your Roth IRA contribution limits, eligibility, and phase-out ranges based on income, age, filing status, and employer retirement plans. Get personalized guidance for tax-advantaged retirement savings.

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Rule of 72 Calculator

Free online Rule of 72 calculator. Quickly estimate how long it takes for investments to double based on annual return rate, with breakdown into years and months.

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Sale Price Calculator

Quickly calculate the final sale price with our free calculator. Apply discount percentages, add tax, select currencies, and save your calculations with optional notes.

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Sales & Retail Calculators

Free online sales calculator tool. Quickly calculate profit margins, markup percentages, break-even prices, and other essential retail metrics using cost and price inputs.

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Sales Calculator

Free online sales calculator to compute sales totals, profit margins, tax amounts, and net profit. Handles various numeric formats with JSON or key:value input.

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Sales Tax Calculator

Free online sales tax calculator. Quickly compute subtotal, tax amount, and total price based on item price, quantity, and tax rate percentage. Perfect for shopping and business calculations.

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Saving & Investing Calculator

Calculate future savings & investment growth with compounding. Input initial amount, monthly contributions, return rate & time horizon to see projected results.

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Savings Calculator

Calculate compound savings growth with monthly contributions. Input principal, interest rate, and time period. Supports multiple currencies and JSON data format for financial planning.

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Savings Goal Calculator

Plan your savings strategy with our free calculator. Determine monthly contributions needed to reach your financial goal, factoring in current savings and interest rates.

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Selling Price Calculator

Calculate optimal selling prices by applying markup percentages to cost inputs. Handles various number formats including percent values for accurate pricing calculations.

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Simple Interest Calculator

Calculate simple interest with principal, rate, and time. Free online tool with validation, number formatting, and support for different currencies and time periods.

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Simple Interest Calculator

Free online simple interest calculator. Compute interest using I = P × r × t formula with principal, rate, and time inputs. Validates data and formats results as currency.

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Simple Loan Calculator

Free online loan calculator to calculate monthly payments, total interest, and total loan amount. Easy to use with principal, interest rate, and term inputs.

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Straight Line Depreciation Calculator

Free online straight-line depreciation calculator. Compute annual depreciation expense for business assets with cost, salvage value, and useful life inputs. Perfect for accounting and tax purposes.

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Sum of Years' Digits Depreciation Calculator

Calculate accelerated depreciation using the sum-of-years'-digits method. Get yearly depreciation schedules, total depreciation, and ending book value for fixed assets.

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Time Value of Money (TVM) Calculators

Comprehensive TVM calculators for present value, future value, NPV, IRR, annuities, and perpetuities. Calculate with customizable rates, periods, and compounding frequencies.

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Tip Calculator

Free online tip calculator that computes tip amounts, total bills, and per-person splits. Supports international number formats with real-time calculations and notifications.

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Units of Production Depreciation Calculator

Calculate depreciation expense using the units of production method. Input asset cost, salvage value, total expected units, and current production for accurate depreciation results.

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VA Mortgage Calculator

Calculate your VA loan monthly payments, total interest, and all costs including principal, interest, taxes, insurance, HOA fees, and VA funding fee. Get accurate estimates instantly.

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Variable Declining Balance Depreciation Calculator

Calculate depreciation schedules with custom declining balance rates for each year. Generate detailed reports for accounting, tax planning, and financial analysis.

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Simple Interest Calculator

Compute simple interest: P × R × T / 100

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Compound Interest Calculator

Calculate compound interest growth

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Loan Payment Estimator

Basic amortization without external data

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