About these tools

Processed in your browser

Graphite builds tools that work without an account. File conversion, calculations and games run in your browser rather than an input-processing server.

Design and operation

The sites are served as static assets on Cloudflare and are configured to support operation through advertising. Advertising and request data are described in the privacy policy.

Check your result

Supported formats and features vary by device and browser. Keep originals and inspect converted or generated results before using them.

Creator and contact

Graphite provides creator information and public contact links on its about page.

Privacy policy

Available tools

• Percentage Calculator — Find a percentage of a number, a part-to-whole ratio or a percentage change.
• Stacked Discount Calculator — Calculate two successive discounts, savings and a final total including shipping.
• Unit Converter — Convert length, mass, area, volume, speed and temperature using explicit units.
• Ratio Calculator — Reduce an integer ratio and find a proportional value for a new first term.
• Average and Statistics Calculator — Find count, sum, average, median, minimum, maximum and population standard deviation.
• Fraction Calculator — Add, subtract, multiply or divide fractions and return an exact reduced fraction.
• Scientific Calculator — Evaluate arithmetic, powers, roots, logarithms and trigonometry with degrees or radians.
• Age Calculator — Calculate completed years and total elapsed days between a birth date and reference date.
• Running Pace Calculator — Convert distance and duration to pace per kilometre, per mile, speed and a same-pace marathon time.
• Recipe Serving Scaler — Scale every ingredient quantity when changing the number of servings.
• Data Size Converter — Convert bits, bytes, decimal kB–TB and binary KiB–TiB without mixing their scales.
• Duration Calculator — Add time durations or subtract two durations and convert the result to seconds and decimal hours.