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Liters to US cups (L to cup)
Convert liters to US cups: 1 L = 4.22675 cup. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 L = 4.22675 cup
US cups = liters × 4.226752838 — reverse: liters = US cups × 0.2365882365
The factor is derived from the SI definitions of both units (base unit: L) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 L = 21.1338 cup
- 12.5 L = 52.8344 cup
- 100 L = 422.675 cup
Liters to US cups conversion table
| Liters (L) | US cups (cup) |
|---|---|
| 1 | 4.22675 |
| 2 | 8.45351 |
| 3 | 12.6803 |
| 4 | 16.907 |
| 5 | 21.1338 |
| 6 | 25.3605 |
| 7 | 29.5873 |
| 8 | 33.814 |
| 9 | 38.0408 |
| 10 | 42.2675 |
| 15 | 63.4013 |
| 20 | 84.5351 |
| 25 | 105.669 |
| 30 | 126.803 |
| 40 | 169.07 |
| 50 | 211.338 |
| 75 | 317.006 |
| 100 | 422.675 |
| 200 | 845.351 |
| 250 | 1056.69 |
| 500 | 2113.38 |
| 1000 | 4226.75 |
FAQ
How many US cups are in one liter?
1 L = 4.22675 cup. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert liters to US cups?
Multiply the value in liters by 4.226752838: US cups = liters × 4.226752838. For example, 5 L = 21.1338 cup.
How do I convert US cups back to liters?
Multiply by the inverse factor 0.2365882365 (liters = US cups × 0.2365882365), or use the US cups-to-liters page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=L&to_unit=cup_us - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"L","to_unit":"cup_us"} - Markdown: https://tttkmbb.com/conversion/liters-to-cups.md · JSON: https://tttkmbb.com/conversion/liters-to-cups.json (add
?value=for a result) · Units: /api/v1/units?quantity=volume - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.