Extenify tools
Online Calculators - Percentage, BMI, Age, Loan & Mortgage
Run everyday calculations for planning, finance, health references, tax estimates, and quick office math without opening a spreadsheet.
Calculator Tools
8 tools🧮
Basic Calculator
Perform quick arithmetic and percentage calculations.
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Percentage Calculator
Calculate percentages, ratios, and percentage change.
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BMI Calculator
Calculate BMI using metric or imperial units.
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Age Calculator
Find exact age in years, months, days, and total days.
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Loan EMI Calculator
Estimate monthly EMI, total payment, and interest.
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Mortgage Calculator
Estimate mortgage payments with taxes and insurance.
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Compound Interest Calculator
Estimate future value with compounding and contributions.
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Sales Tax Calculator
Add or extract sales tax from amounts.