Business Finance Calculators

Calculate your break-even point in units and revenue from fixed costs, price and variable cost per unit — plus contribution margin.

Add VAT to a net price or strip VAT out of a gross price — standard rates for the UK, EU and Serbia.

Calculate customer lifetime value, LTV:CAC ratio and CAC payback months from ARPU, margin, churn and acquisition cost.

Calculate the monthly payment on any loan — plus total interest and the real cost of borrowing over the full term.

See how an initial deposit plus monthly contributions grows with compounding — final balance, total contributions and interest earned.

Convert an annual salary into hourly, daily, weekly and monthly rates — adjusted for your actual working hours and vacation.

Calculate US sales tax by state: add tax to a price or strip it out of a total. State base rates for all 45 taxing states plus DC.

Calculate your real monthly mortgage payment: principal & interest plus property tax, insurance and HOA — and the total cost of the loan.

Calculate gross margin and markup from cost and price — or price from cost and target margin. The difference explained with real math.

Calculate ROAS from ad spend and revenue — plus your true break-even ROAS once margin is factored in.

Calculate CPM, CPC and CTR from spend, impressions and clicks — compare ad costs across platforms and campaigns.

Calculate the tip, the total, and what each person pays when splitting the bill — with tip-on-pre-tax done the right way.