Number Tools

Calculate pre-tax price, sales tax, and final total using add-tax or remove-tax mode.

Estimate monthly mortgage payments, loan amount, and interest cost for home financing.

Calculate loan payments, repayment totals, and interest cost for fixed-rate loans.

Estimate future savings growth with compound interest, monthly deposits, and a selected time period.

Estimate simple interest, total interest, and the final amount using principal, annual rate, and years.

Format numbers for dashboards, pricing, reports, finance, localization, and user interfaces.

Convert integers between common number bases and review the result in binary, octal, decimal, hex, and more.

Convert fixed time units for planning, coding, scheduling, productivity, and classroom tasks.

Convert common temperature scales quickly for weather checks, recipes, science, and everyday use.

Convert common energy units for nutrition, physics, electricity, and classroom calculations.