To convert typographic points to spans, multiply the value by 0.00154321. To go the other way, multiply spans by 648 to get typographic points.
| Typographic Points (pt) | Spans (span) |
|---|---|
| 1 pt | 0.00154321 span |
| 5 pt | 0.00771605 span |
| 10 pt | 0.0154321 span |
| 25 pt | 0.0385802 span |
| 50 pt | 0.0771605 span |
| 100 pt | 0.154321 span |
| 250 pt | 0.385802 span |
| 500 pt | 0.771605 span |
| 1,000 pt | 1.54321 span |
| 2,500 pt | 3.85802 span |
| 5,000 pt | 7.71605 span |
| 10,000 pt | 15.4321 span |
| 100,000 pt | 154.321 span |
| 1,000,000 pt | 1,543.21 span |
Typographic point (pt). A typographic point is 1/72 of an inch (about 0.3528 mm), used for font sizes.
Span (span). A span is 9 inches (0.2286 m), the distance across an outstretched hand.
There are 0.00154321 spans in one typographic point.
Multiply the number of typographic points by 0.00154321. For example, 10 typographic points equal 0.0154321 spans.
One span equals 648 typographic points.
1.54321 spans. Other common values: 100 typographic points = 0.154321 spans and 10,000 typographic points = 15.4321 spans.