Finance
Investment & Loans
Compound Interest Calculator
See how your money grows over time with compound interest and monthly contributions.
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ROI Calculator
Calculate return on investment for any asset, project or business venture.
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Mortgage Calculator
Monthly payments, total interest paid and full amortization schedule.
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Loan Calculator
Personal loan monthly payments with full cost breakdown.
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Car Loan Calculator
Monthly car payments with down payment and trade-in value.
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Savings Goal Calculator
How much to save each month to reach your financial goal.
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Credit Card Payoff Calculator
How long to pay off your credit card and total interest at any payment amount.
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Debt Snowball Calculator
Snowball or avalanche — find your fastest path to debt freedom.
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Retirement Calculator
Are you on track to retire? Project your savings and retirement income.
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Rent vs Buy Calculator
Find the break-even year and true 10–20 year cost of renting vs buying.
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Home Affordability Calculator
How much house can you afford? Based on income, debts and down payment.
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Business
Business & Tax
Profit Margin Calculator
Gross, net and operating profit margins instantly.
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Break-Even Calculator
Find exactly when revenue will cover all your costs.
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VAT Calculator
Add or remove VAT / sales tax from any price instantly.
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Salary Calculator
Gross to net salary with full tax deductions.
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Freelance Rate Calculator
The exact hourly rate to charge after taxes, expenses and vacation.
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Side Hustle Tax Calculator
SE tax, income tax and quarterly payments on your side income.
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Hourly to Salary Calculator
Convert hourly wage to annual salary and vice versa. Includes overtime.
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Discount Calculator
Sale price, original price and stacked discounts in seconds.
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Health
Health & Body
BMI Calculator
Body Mass Index in imperial or metric. Healthy weight range and goal weight.
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Calorie Calculator
Daily calorie needs (TDEE) based on age, weight, height and activity level.
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Macro Calculator
Ideal protein, carbs and fat in grams for your goal and calorie target.
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Math
Quick Math Tools
Percentage Calculator
What is X% of Y? Percentage increase and decrease.
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Date Calculator
Days between two dates, add or subtract days easily.
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Currency Converter
Convert between major world currencies quickly.
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Simple Interest Calculator
Calculate simple interest on any principal amount.
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