Financial Calculators
22 free online calculators
About Financial Calculators
Money decisions hinge on numbers most people would rather not work out by hand — what a loan really costs, how savings compound, whether a price leaves enough margin. ToolForge's financial calculators cover that ground: loan and EMI payments with full amortization schedules, compound and simple interest, future and present value, investment growth, ROI, savings and budgeting, debt and credit-card payoff, plus everyday money math like discounts, tips, sales tax, VAT, margin, and commission.
Borrowers compare loan terms before signing, savers project where a monthly deposit lands them, and small-business owners price products and plan budgets. The more involved tools show their working — amortization tables, year-by-year growth, and side-by-side comparisons — so you understand the trade-offs, not just the final figure. Every calculation runs privately in your browser with no sign-up.
Loan Calculator
Calculate monthly payments, interest & total cost
EMI Calculator
Calculate Equated Monthly Installment
Compound Interest Calculator
Calculate growth with compound interest
Simple Interest Calculator
Calculate simple interest using I = PRT
Savings Calculator
Future value with regular deposits
Investment Calculator
ROI & growth projections
ROI Calculator
Calculate Return on Investment
Discount Calculator
Calculate % off sale price
Percent Off Calculator
Calculate percentage discounts
Sales Tax Calculator
Calculate sales tax on purchases
VAT Calculator
Add or remove VAT from prices
Tip Calculator
Calculate tips and split bills
Margin Calculator
Calculate profit margin and markup
Commission Calculator
Calculate sales commission earnings
Salary Calculator
Convert salary between hourly, weekly, monthly, annual
Budget Calculator
50/30/20 rule budget planning
Debt Payoff Calculator
Calculate debt payoff timeline
Credit Card Payoff Calculator
Calculate credit card payoff timeline
Student Loan Calculator
Calculate student loan repayment
Present Value Calculator
Calculate present value of future money
Future Value Calculator
Calculate future value of investments
Break-Even Calculator
Calculate business break-even point
Other Calculator Categories
Frequently Asked Questions
What is the difference between simple and compound interest?
Simple interest is charged only on the original principal, so the same amount accrues each period. Compound interest is charged on the principal plus previously earned interest, so it grows faster over time. The dedicated calculators let you compare both for the same figures.
Are these financial calculators accurate enough for real decisions?
They use standard financial formulas and show their working, so the math is reliable. For major decisions like a mortgage, treat the output as a well-grounded estimate and confirm specifics with your lender, since real terms include fees and conditions a calculator cannot know.
Is my financial information kept private?
Yes. Every financial calculator runs entirely in your browser, so the amounts you enter are never uploaded or stored on a server.
