Other calculators

Estimate fixed monthly boat-loan payments, interest and payoff timing, including optional extra payments toward principal.

Calculate break-even units and sales revenue, target-profit volume, and your margin of safety using fixed costs, unit price, and variable costs.

Build a monthly budget from take-home totals or mixed-period gross-income lines, with pretax savings, assumed tax and debt payments.

Compare business-loan payment schedules and compounding frequencies, with optional extra principal and modeled upfront financing fees.

Forecast monthly business cash balances and runway with revenue growth, operating expenses, one-time movements, and a minimum cash buffer.

Project college costs and a chosen funded share, then estimate monthly savings with optional annual tax on investment interest.

Calculate flat or tiered sales commission, total compensation, or the sales and rate needed for a target commission.

Estimate payoff time or a target payment for a credit-card balance using a fixed rate and no new purchases.

Plan payoff across multiple credit cards using avalanche or snowball ordering, entered minimum payments and a monthly extra-payment budget.

Convert currencies using an entered rate, dated ECB reference rates, or broader reference and spot snapshots with source attribution.

Compare current debt obligations with a consolidation loan, including financed fees, the new payment and repayment-term effects.

Compare avalanche and snowball debt repayment schedules, with fixed minimum payments and extra cash rolled into remaining balances.

Compare book-depreciation schedules, including fiscal dates, partial-year conventions and an optional switch to straight-line expense.

Calculate sale price and savings, combine a percentage and fixed reduction, or recover the original price from a known pair.

Plan an emergency fund from essential monthly expenses, chosen coverage months, and existing savings. Calculate your gap and a monthly savings timeline.

Compare US purchasing power with versioned BLS CPI-U data, or explore future price changes using an inflation rate you choose.

Create an invoice or quotation with line items, discounts, tax, and payment terms. Add your branding and download a PDF without an account.

Calculate an asset-financing lease payment or implied rate from asset value, term and residual, with a separate vehicle-lease model.

Compare fixed loan payments, deferred balances and zero-coupon borrowing, with separate payment and compounding frequency options.

Calculate profit margin and markup, solve a target selling price, or explore simplified stock and currency margin requirements.

Find the payment for a fixed-rate loan or estimate payoff time from a monthly payment amount you choose.

Calculate payment fees and net receipts, or find the gross charge needed for a target net amount. Includes custom fees and a US Stripe preset.

Calculate percent-off savings and final prices, or combine two successive percentage discounts without simply adding them.

Estimate personal-loan payments, origination fees, monthly insurance and the resulting borrowing cash-flow cost.

Plan fixed-rate debt repayment by term or payment budget, with a schedule showing the balance, interest and final installment.

Calculate net price, sales tax, gross price or an implied tax rate from a selected pair of known values.

Estimate online selling profit after product costs, shipping, platform fees, processing, advertising, returns, and overhead. Includes a US Etsy example.

Model standard student-loan repayment or annual borrowing during school, with explicit delay-interest and capitalization choices.

Total recurring subscriptions, compare monthly and annual costs, and estimate savings from cancellations or annual-plan offers. Save your plan locally.

Calculate VAT, net or gross amounts, or an implied VAT rate from the values you already know.