Finance & loans
Mortgage amortization, interest, and payment estimates.
Category
Finance / Percentage Calculators
Calculate percentages, discounts, tips, and financial ratios.
Finance / Percentage Calculators9 live · 9 total
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Start with the strongest tools in finance / percentage calculators.
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What Is Compound Interest?
Compound interest earns returns on both your principal and previously accumulated interest, accelerating growth over time.
Simple vs Compound Interest Explained
Simple interest applies only to principal; compound interest reinvests earned interest so balances grow faster over time.
How Loan Amortization Works
Amortization splits each loan payment between interest and principal so the loan is fully repaid by the end of the term.
APR vs Interest Rate Explained
The interest rate is the cost of borrowing on the balance; APR includes rate plus certain fees expressed as an annualized percentage.
How to Calculate Percentage Change
Percentage change measures relative increase or decrease from an original value to a new value.
About finance / percentage calculators
Free finance and percentage calculators for discounts, margins, markups, tips, loan payments, compound interest, and break-even analysis. Get instant estimates for everyday and business math.
- Calculate sale prices after discounts
- Set product pricing with margin targets
- Split restaurant bills and tips
- Project savings growth with compound interest
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