What the tool does, how to run it, and what to expect from the result.
Work out rent for a partial month when you move in or out mid-month, by the days in that month, the yearly daily rate, or a 30-day month. The math updates instantly and runs on your device, so it is fast, private, and available offline.
A quick way to understand who this helps, what it solves, and where it connects next.
Shoppers, students, freelancers, and anyone who needs a quick, private calculation.
Fast everyday math without a spreadsheet, app install, or sign-up.
Short answers for the questions people usually have before trying a utility like this.
Yes. It is completely free, with no sign-up, no watermark, and no usage limits.
No. Amounts are currency-neutral and use the same unit across all inputs, so it works in any country.
Divide the monthly rent by the days in that month and multiply by the days you live there. Moving in for the last 12 days of a 30-day month at $1,500 rent costs $600.
Whichever your lease names. Days-in-month is the most common; some landlords use a yearly daily rate (rent × 12 ÷ 365) or a flat 30-day month, which can differ by a few dollars.
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Enter your numbers and the result updates live in your browser. Nothing is uploaded and no server is used.
Calculations run locally in your browser. Amounts are shown without a currency symbol so they work anywhere.