Free Apps and ToolsNo Catch, No Subscription

New additions for files, fonts, code, audio, and data. Explore 394 new tools

Browse calculators by topic Finance, everyday life, construction, conversions, and more.

1822 apps · Showing 481–576

Data & Calculators

1822 apps

Data & Calculators: Financial Calculators

Interest-Bearing Debt as a Share of Capital

Calculate debt divided by debt plus equity, with nonnegative inputs and explicit zero-debt and zero-equity boundaries.

Interest-Only Loan Payment & Period Cost Calculator

Estimate periodic interest-only payments and total interest while a loan balance remains unchanged.

Inventory & Cost of Goods Sold Calculator

Calculate cost of goods sold from beginning inventory, purchases and ending inventory.

Inventory Buffer & Reorder Models

Calculate a maximum-versus-average inventory buffer or a statistical safety stock using demand and lead-time variability.

Inventory Cost & Holding Days Calculator

Estimate inventory days from average stock value and cost of goods sold.

Inventory Gross Profit Return Calculator

Calculate GMROI as a multiple and percentage of average inventory cost.

Inventory Sell-Through Percentage Calculator

Compare units sold with units received for a product and period.

Inventory Turnover & Days Calculator

Compare cost of goods sold with average inventory and estimate inventory days.

Inventory, Receivables & Payables Cash Cycle

Calculate the cash conversion cycle from average balances and period revenue or cost of goods sold.

Investment & Equity Valuation Calculator

Calculate pre-money and post-money values for a simple equity investment.

Investment Calculator

Project an investment account with an initial balance, monthly deposits, annual return, and time.

Investment Expense Ratio & Ending Balance Impact

Compare a portfolio with and without a constant annual expense ratio, including an initial deposit and equal year-end contributions.

IRA Calculator

Project traditional IRA growth and compare an illustrative taxable withdrawal after a retirement tax rate.

IRR Calculator

Calculate periodic internal rate of return and net present value from a series of cash flows.

Labor Force Participation & Unemployment Share Calculator

Calculate participation and unemployment percentages from consistent population and employment counts.

Land Down Payment, Loan Payment & Interest

Estimate financed land cost, equal loan payments and total interest after a cash or percentage down payment.

Landlord Net Effective Rent, Concessions & Costs

Spread rent-free periods, operating costs and a one-time tenant allowance over a lease, with optional monthly and annual amounts per area.

Lease Calculator

Estimate a level lease payment from asset value, residual, annual lease rate, and term.

Lease Distance Overage & Budget Calculator

Project excess lease distance, end-of-term charges and a monthly savings amount.

Lease Money Factor & Rate Calculator

Convert a lease money factor to its conventional annual rate equivalent.

Linear Cost Model from Costs or Two Points

Calculate total and average cost from fixed and per-unit costs, or infer a linear model from two quantity-and-cost observations.

Liquid Assets & Cash Spending Days Calculator

Estimate how many days selected liquid assets cover average cash operating expenses.

Liquid Assets & Net Worth Calculator

Subtract liabilities from the liquid assets you choose to include.

Liquidity Coverage from Adjusted Assets & Net Outflows

Compute a liquidity-coverage ratio from entered adjusted asset amounts and a precomputed 30-day net outflow denominator.

Loan Calculator

Calculate fixed-rate loan payments, interest, total cost, and accelerated payoff with extra payments.

Loan Payment by Frequency & Repayment Total

Estimate a level loan payment, number of installments and repayment total using a stated payment-frequency convention.

Margin Calculator

Calculate gross profit, margin, and markup from cost and selling price.

Margin Loan 360-Day Interest Calculator

Estimate simple margin interest using a 360-day year.

Marketing Conversion Rate per Click or Visit

Calculate conversions as a percentage of clicks or visits, including zero conversions, fractional attribution and multiple conversions per interaction.

Markup, Margin & Tax-Inclusive Price Calculator

Build a selling price from cost and markup, then add an entered sales-tax rate while keeping tax separate from profit.

Marriage Tax Calculator

Compare 2026 U.S. federal ordinary-income tax when two incomes are filed separately as single versus jointly.

Material Unit-Price Variance Calculator

Compare actual and standard material prices for a quantity, with favorable and unfavorable variance explanations.

Midpoint Demand Elasticity & Revenue Change

Calculate signed midpoint elasticity for a nonpositive price-demand relationship, plus revenue at both endpoints.

Minimum-Variance Hedge Ratio Calculator

Calculate the covariance-based hedge ratio from volatility and correlation.

Money Supply, Monetary Base & Reserve-Ratio Model

Relate currency, deposits and bank reserves to a simplified monetary base, money supply and their ratio.

Monthly & Annual Household Budget Balance

Combine recurring and annual income, savings and expenses into monthly and annual balances, with a monthly spending breakdown.

Monthly Deposit Simple-Interest Estimate

Estimate equal monthly deposits with simple interest on each deposit’s remaining time, without quarterly or monthly interest compounding.

Monthly Investment & Lump-Sum Constant-Return Model

Compare beginning-of-month contributions with a one-time investment under a supplied nonnegative constant-return assumption.

Monthly Investment Growth with Beginning Deposits

Project equal beginning-of-month investments at a constant nominal annual return, including a zero-return scenario.

Monthly Loan EMI & Principal–Interest Breakdown

Calculate a fixed monthly loan payment, total interest and total repaid, with a chart separating principal from interest.

Monthly Mortgage Principal, Interest, Tax & Insurance

Combine level mortgage principal and interest with one twelfth of supplied annual property tax and homeowners insurance.

Monthly Regular & Overtime Gross Pay Calculator

Add regular pay and separately supplied overtime hours using the hourly rate and multiplier you enter.

Mortgage Amortization Calculator

Calculate mortgage payment, total interest, first payment split, and accelerated payoff.

Mortgage Calculator

Estimate principal-and-interest payment plus property tax, insurance, association dues, and down payment.

Mortgage Calculator UK

Estimate a UK repayment mortgage payment, total interest, deposit, and loan-to-value ratio.

Mortgage Insurance Cost from an Entered Annual Rate

Estimate annual and monthly mortgage insurance from home price, down payment and a supplied annual premium rate.

Mortgage Payoff Calculator

Estimate mortgage payoff time, total interest, and savings from an extra monthly payment.

Mutual Fund Calculator

Project investment growth after an annual expense ratio and optional front-end sales load.

Needs, Wants & Savings Budget Split Calculator

Split after-tax monthly income into a 50/30/20 planning example.

Net & Gross Cost, VAT and Margin Calculator

Compare costs and selling prices before and after one entered VAT rate, with markup, margin and pre-VAT profit.

Net Income on Assets Calculator

Measure net income relative to the total asset amount entered.

Net Income Share of Revenue Calculator

Express net profit as a percentage of total revenue.

Net Profit on Equity Calculator

Express net profit as a percentage of the equity balance supplied.

Net Promoter Score from Survey Counts

Enter response counts for ratings 0–10 to calculate NPS, promoter, passive and detractor totals and their response shares.

Net-to-Gross Tax & Percentage Bases

Calculate a gross amount and tax from a net amount, comparing tax as a percentage of either base.

Nominal GDP & Deflator Ratio Calculator

Convert between nominal and real GDP using a supplied deflator ratio.

Nominal Interest, APY & Deposit Growth Calculator

Convert a nominal annual rate to a compounded annual yield and estimate a deposit balance over a chosen term.

Nominal Rate, Inflation & Real Rate Calculator

Compare the exact inflation-adjusted rate with the simple nominal-rate-minus-inflation approximation.

Nominal-to-Real GDP Price Index Calculator

Calculate an implicit GDP price index with a base value of 100.

NOPAT & After-Tax Operating Profit Calculator

Model after-tax operating profit directly or through an income-statement bridge.

Okun Model: Unemployment Change & GDP Growth Gap

Explore the growth-rate version of Okun’s law using two unemployment rates, GDP growth, trend growth and a chosen slope.

Operating Assets & Liabilities Net Balance Calculator

Total selected operating assets and liabilities, then calculate the net capital tied up in operations.

Operating Cash & Current Liability Coverage Calculator

Compare trailing operating cash flow with current liabilities, with an optional quarterly breakdown.

Operating Cash Flow / Debt Coverage

Compare operating cash flow with debt and calculate the reciprocal debt-to-cash-flow ratio using the same reporting period.

Operating Current Capital Balance Calculator

Subtract operating current liabilities from selected operating current assets.

Operating Income & Revenue Margin

Calculate operating income and margin from revenue, cost of goods sold and operating expenses, including operating losses.

Operating Leverage from Two-Period EBIT & Sales

Compare percentage changes in operating earnings and sales to calculate historical operating leverage between two periods.

Operating Profit & Margin Calculator

Calculate operating income and the percentage of revenue it represents.

Operating Profit as a Share of Sales Calculator

Express operating profit as a percentage of net sales.

Operating Profit Less Capital Charge Calculator

Subtract a modeled capital charge from after-tax operating profit.

Operating Profit to EBITDA Calculator

Add depreciation and amortization back to operating profit.

Ordinary Annuity Present Value Factor Calculator

Calculate a present-value annuity factor and the value of equal end-of-period payments at a positive discount rate.

P/E, Earnings Growth & PEG Ratio

Calculate P/E and PEG using EPS and annual percentage growth, with optional EPS inputs and a retention-times-ROE growth estimate.

Page Exit Percentage Calculator

Measure exits from a page relative to its pageviews over the same period.

Pageviews & Ad Revenue Estimate Calculator

Estimate website advertising revenue from visits and page RPM.

Parking Spaces per 1,000 Square Feet Calculator

Calculate parking capacity relative to rentable floor area.

Pay Change Across Hourly, Monthly & Annual Income

Compare current pay, a percentage change and new pay across a consistent weekly-hours schedule.

Pay Rate Equivalents for a Five-Day Workweek

Compare hourly, daily, weekly, two-week, monthly and annual gross-pay equivalents for entered weekly hours.

Payback Period Calculator

Calculate simple and discounted payback time from an initial investment and recurring cash inflow.

Payment Calculator

Estimate the periodic payment and total cost for a fixed-rate installment balance.

Peak Loss & Compound Recovery Calculator

Measure a decline from a chosen peak and the constant growth needed to recover.

Pension Calculator

Estimate a level monthly pension from an account balance, payout return, and payout period.

Percent Off Calculator

Calculate sale price, savings, and tax after a percentage discount.

Period Earnings After Dividends Calculator

Calculate earnings retained from a period after dividends, including the zero-dividend case and a per-share amount.

Period Growth Rates & Compound Monthly Growth

Calculate month-over-month, quarter-over-quarter and year-over-year changes, plus compound monthly growth between two endpoint values.

Periodic Return to Compound Annual Rate Calculator

Annualize a periodic return using repeated compounding.

Personal Loan Calculator

Compare the payment and all-in cost of an unsecured personal loan.

Personal Loan Monthly Payment & Interest Estimate

Estimate a level monthly payment and total interest for a personal loan, including a zero-interest loan.

Portfolio Return vs CAPM Benchmark Calculator

Calculate Jensen’s alpha from portfolio return, beta and a market-return benchmark.

Present Value Calculator

Discount a future lump sum to present value using an annual rate and time horizon.

Price Change & Capital Yield Calculator

Measure price gain and percentage return before dividends and costs.

Price Change & Dividend Holding Return Calculator

Combine price appreciation and dividends over a holding period.

Price Markdown from Original Price & Discount Percent

Calculate sale price, discount amount and markdown percentage using the original price as the percentage base, including zero and full discounts.

Price to Book & Tangible Book from Common Equity

Calculate ordinary and tangible book value per share after preferred equity, and compare each with a share price.

Price–Cost Lerner Index Calculator

Measure the share of price above marginal cost.

Price–Quantity Welfare Loss Calculator

Estimate a triangular deadweight loss from price and quantity changes.