Tools

Free GPA calculator: work out term and cumulative GPA, weighted GPA for Honors and AP, and the GPA you need next term to reach your goal.

Free rent split calculator for roommates and couples. Split rent and bills by room size, shared space, income or equally, to the exact cent.

Free break-even calculator: find the units and sales you need to cover fixed costs, your margin of safety and what it takes to hit a profit target.

Free profit margin calculator: get profit, margin and markup from cost and price, or find the price you need for a target margin.

Free Etsy fee calculator with 2026 rates: see transaction, processing, listing and Offsite Ads fees, your profit and the price you need.

Free payroll calculator: work out gross pay, overtime, taxes, deductions and take-home pay for your team, then print payslips.

Free inventory tracker for small shops: add items, record stock in and out, get reorder alerts and export to Excel. No sign-up needed.

Plan your debt payoff with the snowball and avalanche methods side by side. See your debt-free date, total interest and a month-by-month schedule.

Make a professional invoice in your browser, add your logo and save it as a PDF. Free, no sign-up, and nothing you type leaves your device.

Free loan EMI calculator: enter the amount, rate and term to get your monthly payment, total interest and a full repayment schedule.