Ready to use
Finance & Business
Open tool Top Customer Revenue Concentration Calculator
Express largest-customer revenue as a share of total matching revenue.
BUILT AROUND YOUR WORK
Finance calculators for planning and review
Compare the assumptions before comparing the answers. Put rates, payment dates, fees, and time horizons on the same basis, then show which input makes the biggest difference to your estimate.
Choose a focused workspace
Ready to use
Finance & Business
Open tool Top Supplier Spend Concentration Calculator
Express largest-supplier spend as a share of comparable total supplier spend.
Ready to use
Finance & Business
Open tool Tracking Error Annualization Calculator
Annualize supplied periodic active-return deviation with an explicit frequency.
Ready to use
Finance & Business
Open tool Portfolio Treynor Ratio Calculator
Compare portfolio excess return with supplied systematic market beta.
Ready to use
Finance & Business
Open tool Two-Asset Portfolio Beta Calculator
Combine two consistently estimated asset betas using market-value weights.
Ready to use
Personal Money
Open tool Vacation Savings Planner
Create a bounded, browser-local vacation savings planner with visible assumptions, review guidance, and downloadable output.
Ready to use
Tax, Payroll & Benefits
Open tool VAT/GST Collection Tracker
Create a bounded, browser-local vat/gst collection tracker with visible assumptions, review guidance, and downloadable output.
Ready to use
Finance & Business
Open tool Vendor Payment Tracker
Create a bounded, browser-local vendor payment tracker with visible assumptions, review guidance, and downloadable output.
Ready to use
Finance & Business
Open tool WACC Calculator
Weight equity and after-tax debt costs using supplied market-value financing.
Ready to use
Finance & Business
Open tool Warranty Claim Incidence Rate Calculator
Measure accepted warranty claims against a documented covered-unit cohort.
Ready to use
Personal Money
Open tool Wedding Savings Planner
Create a bounded, browser-local wedding savings planner with visible assumptions, review guidance, and downloadable output.
Ready to use
Finance & Business
Open tool Inventory Weeks of Supply Calculator
Estimate static forward stock coverage at a stated weekly unit-sales pace.
Ready to use
Finance & Business
Open tool Wholesale Price Calculator
Build wholesale list and net buyer prices from cost, markup, and tier discount.
Ready to use
Finance & Business
Open tool Working Capital Requirement Planner
Create a bounded, browser-local working capital requirement planner with visible assumptions, review guidance, and downloadable output.
Ready to use
Finance & Business
Open tool Working Capital Turnover Calculator
Compare net revenue with a positive average net working-capital base.
Ready to use
Personal Money
Open tool Zero-based Budget Builder
Create a bounded, browser-local zero-based budget builder with visible assumptions, review guidance, and downloadable output.