Business Suite

Loan calculator with biweekly mode, extra payments, one-time lump sums, full amortization schedule, and CSV export.

Mortgage calculator with PITI, PMI auto-removal, biweekly, affordability, refinance, points, and rent-vs-buy. Full amortization with CSV export.

Plan debt repayment with snowball or avalanche strategies. See payoff timeline.

Calculate asset depreciation and current value using straight-line and declining balance methods.

Plan your monthly budget with income and expense tracking. See spending breakdowns.

Calculate total costs with quantities, tax rates, and discounts.

Calculate percentages, percentage changes, and proportions with ease.

Create professional invoices with line items, tax calculation, and export options.

Convert times between any IANA time zones with full DST awareness. Up to 6 zones, 24-hour overlap grid, and live tick mode.

Find days, weeks, months, and business days between two dates — with public holidays for US, UK, India, Germany, and Australia.

Count business days between two dates or add business days from a date — with public holidays for US, UK, India, Germany, and Australia.