# Celsius to Rankine Calculator

> Convert temperatures from degrees Celsius to degrees Rankine.

Page: https://askcalculators.com/calculator/celsius-to-rankine-calculator/
Definition: https://askcalculators.com/calculator/celsius-to-rankine-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/celsius-to-rankine-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/celsius-to-rankine-calculator/?celsius=20

## Inputs
- celsius: Degrees Celsius (°C); type=number; required; default=20

## Outputs
- rankine: Degrees Rankine (°R); format=number; primary
- kelvin: Kelvin (K); format=number

## Formula
°R = (°C + 273.15) × 9 ÷ 5

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.