Cove

Calculators

Calculators tools

Instant calculators for everyday numbers. Each page explains the formula and keeps the working on-device.

Percentage CalculatorWhat is X% of Y, and what percent is A of B — instantly.Age CalculatorAge in years, months, and days from a date of birth.Unit ConverterLength, weight, and temperature conversions in one panel.

Questions

Are Calculators files uploaded?

Ready tools in this category run in the browser unless a page says otherwise.

Why are some tools marked planned?

Cove does not ship fake converters. Planned tools wait for a real engine.