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Calculators
Quick calculators for everyday work and money questions: ages, VAT, zakat, loan payments, engineering unit conversions, amounts in words and Hijri dates. Each calculator gives its answer instantly in your browser.
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Age calculatorExact age in years, months and days.
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VAT calculatorAdd or remove VAT.
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Zakat calculatorEstimate zakat on your wealth.
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Loan EMI calculatorMonthly payment and total interest.
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Engineering unitsConvert length, pressure, force and more.
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Amount to wordsWrite amounts in words for invoices.
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Hijri–Gregorian datesConvert dates between calendars.
How to choose
Use the VAT calculator to add or remove tax from a price, and Amount to words when a figure must be written out on a cheque or invoice. The Loan EMI calculator shows monthly payments, and the Zakat calculator gives an estimate that you should confirm with a scholar.