Calculators

Age, BMI, loan EMI and percentage calculators.

Age Calculator

Calculate exact age in years, months and days.

BMI Calculator

Find your Body Mass Index and weight range.

EMI Calculator

Calculate monthly loan EMI and interest.

Percentage Calculator

Work out percentages instantly.

Tip Calculator

Split the bill and work out the tip per person.

Discount Calculator

Find the sale price and how much you save.

Unit Converter

Convert length, weight and temperature units.

Proportion Calculator

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Solve ratios and proportions with a clear cross-multiplication result.

Slope Calculator

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Find slope, angle and line equation from two points.

Volume Calculator

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Calculate volume for common 3D shapes with unit conversion.

Free Calculators that work in your browser

Choose from 10 ready-to-use calculators for quick everyday tasks. Every tool opens instantly, requires no account and is designed to work on desktop and mobile.

Toolastic keeps the workflow simple: select a tool, complete the task and download or copy the result. Wherever possible, processing happens locally on your device for better speed and privacy.