General Tools

Use Berlvis General tools for the small everyday jobs, age calculation, percentage math, discount estimates, and quick currency conversion, without opening a heavy app.

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Percentage Calculator Three calculation modes in one tool. Currency Converter Convert NGN to USD, GBP, EUR and more. Discount Calculator Find the final price and the amount saved.

Everyday math without a calculator app

Percentage, discount, age, and currency conversion tools are designed for the quick jobs that interrupt a task, done in the browser, no signup, no ads.

Tools

Percentage Calculator

Three calculation modes in one tool.

Discount Calculator

Find the final price and the amount saved.

Age Calculator

Plus days lived and days to your next birthday.

Currency Converter

Convert NGN to USD, GBP, EUR and more.

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Everyday tools

Browse everyday tools in the General Tools hub.

FAQ

Where do exchange rates come from?

The currency converter fetches public reference rates on demand. Rates are for indicative use, not settlement.