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Calculate aspect ratios, resize dimensions while maintaining proportions. Common presets for video, photo, mobile screens, and social media
Calculate percentages, percentage changes, increases, decreases, and find original values. Multiple calculation modes with formulas.
Calculate exact age in years, months, and days. Find date differences, countdowns, zodiac signs, and detailed time breakdowns
Enter the bill total, choose a tip percentage, and split the result among any number of people. Each person's share — including tip — is shown so there is no guesswork at the table.
In the United States, 15–20% is typical for sit-down restaurants. The tool defaults to 18%.
The tool divides evenly. For uneven splits, calculate the total with tip and divide manually.
All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.