Money
Discounts, margins, interest, and investing math.
5 live · 2 coming soon
Discount Calculator
Find the sale price and amount saved from a discount percentage.
Margin Calculator
Calculate gross margin, markup, and profit from cost and revenue.
Compound Interest Calculator
Project savings growth with compound interest and contributions.
Financial Calculator
Time Value of Money, loan payments, and amortization — like an HP-12C in your browser.
Effective Hourly Rate Calculator
Find what you actually earn per hour after commute, unpaid lunch, and work costs.
CAGR Calculator soon
Calculate compound annual growth rate.
Loan Payment Calculator soon
Estimate monthly loan payments.