Ratio Split Calculator

How to Use

Step 1 — Enter the Total

Type the value you want to split in the Total field (e.g., 1000).

Step 2 — Set the Ratios

• Individual: Enter each ratio value in its own input box. Use the + button to add more (up to 20).
• Batch Text: Type all ratio values at once, separated by spaces (e.g., 1 2 3). Supports up to 100 values.

Step 3 — Choose a Rounding Method

• None (decimal): Shows exact decimal results
• Round down: Always rounds each part down (floor)
• Round (nearest): Standard rounding to the nearest integer
• Round up: Always rounds each part up (ceil)

Step 4 — Calculate

Click Calculate to see the split results. Use the Copy button to copy the result.

Preset Ratios (Individual mode, 2 inputs only)

Common ratios like Standard Screen (4:3), Widescreen (9:16), Golden Ratio, Silver Ratio, and standard paper sizes are available in the dropdown selector.

Note: When rounding is applied, the sum of results may differ slightly from the original total. The difference is shown below the result.