ATQOO
Everyday calculators
Calculator
Add, subtract, multiply and divide. Your keyboard works too.
History
Finished calculations show up here. Tap one to reuse its result.
Percentage
Add or remove a percentage, find a share, or measure a change. Tap a GST rate to fill it in.
Add percentage
- Original amount
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- Percentage added
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Remove percentage
- Percentage removed
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- Price before percentage
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- Percentage inside
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Percent of a number
What percent is it
Percentage change
- Difference
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Age calculator
Exact age in years, months and days. A sample birth date is filled in; change it to yours.
- Total months
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- Total weeks
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- Total days
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- Total hours
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- Born on a
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- Next birthday
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- Days to go
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- Age then
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Date calculator
Count the days between two dates, or add and subtract from a date.
Days between two dates
- In years, months, days
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- In weeks
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- Weekdays (Mon to Fri)
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- Weekend days
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Add or subtract
- From today
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Time calculator
Work hours between two clock times, a time plus or minus a duration, or hours, minutes and seconds added together.
Time between
- Decimal hours
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- Total minutes
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- Before break
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Add or subtract from a time
- 24-hour clock
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Add or subtract durations
- Hours
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- Minutes
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- Seconds
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ROI calculator
Return on investment, profit and yearly growth rate. Sample figures are filled in.
Extra costs are fees, taxes or charges added to the amount invested.
- Net profit or loss
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- Total invested
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- Money multiple
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- Yearly growth rate (CAGR)
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Compound interest
See what a lump sum grows to, and how that compares with simple interest.
- Principal
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- Compound interest earned
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- Simple interest would give
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- Effective yearly rate
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- Money doubles in
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| Period | Interest in period | Balance |
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SIP calculator
See what a monthly investment could become at an assumed rate, or work out the monthly amount a goal needs.
- Total invested
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- Estimated gain
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Monthly SIP needed for a goal
- Total you would invest
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| Period | Invested | Estimated value |
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The return is an assumption for illustration and is not guaranteed. Actual results can be lower or higher. Mutual fund investments are subject to market risks. Read all scheme related documents carefully.
EMI calculator
Monthly instalment, total interest and the yearly repayment schedule for a home, car or personal loan.
- Principal
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- Total interest
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- Total payment
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| Period | Principal paid | Interest paid | Balance |
|---|
Discount and margin
Sale price after one or two discounts, profit margin on a sale, and the selling price for a target margin.
Sale price
- You save
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- Total discount
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Profit and margin
- Margin (on selling price)
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- Markup (on cost)
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Selling price for a target
- Price for a target margin on sale
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BMI calculator
Body mass index from height and weight. Sample values are filled in.
Need centimetres? Use the feet and inches box in the Unit converter.
- BMI range 18.5 to 24.9 at this height
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BMI is a quick screening number using WHO adult ranges. It does not replace advice from a doctor.
Split bill
Share a bill with an optional tip.
- Tip
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- Bill with tip
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- Collected from everyone
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Number to words
Write an amount in words in the Indian system (lakh and crore), handy for cheques, receipts and invoices.
- Indian grouping
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- International grouping
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Unit converter
Pick a type, enter a value and read it in every unit. Tap any tile to switch the target unit.
Feet and inches to centimetres
- In metres
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- Total inches
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Centimetres to feet and inches
- Total inches
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Land converter
Bigha, biswa, kanal, marla, guntha, cent, acre, hectare and more. Bigha is not the same everywhere, so pick the state or type your local size.
Land price
- Total price
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- Rate per target unit
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Preset sizes follow commonly published figures and differ by district and even village. Check your jamabandi or revenue record before any deal. Biswa / Katha is taken as 1/20 of the selected bigha; in Assam a katha is 1/5 bigha. Kanal and marla use the Punjab and Haryana standard (1 kanal = 20 marla = 5,445 sq ft).