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Celsius to Kelvin

Professional °C to K conversion.

Celsius
Scale based on the freezing (0°) and boiling (100°) points of water.
Kelvin
The SI base unit of thermodynamic temperature, starting at absolute zero.
Quick LinksLogic & FormulaFAQ
274.15
Unit
  • Celsius
    °C
  • Fahrenheit
    °F
  • Kelvin
    K
  • Rankine
    °R
  • Newton
    °N
  • Réaumur
    °Ré
  • Delisle
    °De
  • Rømer
    °Rø
Unit
  • Celsius
    °C
  • Fahrenheit
    °F
  • Kelvin
    K
  • Rankine
    °R
  • Newton
    °N
  • Réaumur
    °Ré
  • Delisle
    °De
  • Rømer
    °Rø
Precision: 8 decimal places

Logic & Formula

To convert Celsius to Kelvin, we use the specific conversion ratio for this category.

Temperature conversions use offset-based logic (e.g., [°F] = [°C] × 9/5 + 32).

Unit Definitions

Celsius

Scale based on the freezing (0°) and boiling (100°) points of water.

Kelvin

The SI base unit of thermodynamic temperature, starting at absolute zero.

Verified 2026 Standards
Industrial Precision

How to convert Celsius to Kelvin?

Enter the value in Celsius, choose the target unit Kelvin, and the result updates instantly. This page also includes the conversion formula and a quick reference table for verification.

Formula: Temperature conversions use offsets (not only multiplication/division).

Common Conversions Table

Value (°C)Result (K)
0273.15
10283.15
20293.15
37310.15
100373.15

FAQ

What is the conversion formula from °C to K?
Temperature conversions use offsets (not only multiplication/division).
Are the results accurate?
Yes. Conversions run locally in your browser using verified ratios and display up to 8 decimals. Some categories like temperature and fuel use specialized formulas.

About this conversion

This page converts Celsius to Kelvin using verified ratios and includes tables, examples, and FAQs for quick verification.

Celsius
Scale based on the freezing (0°) and boiling (100°) points of water.
Kelvin
The SI base unit of thermodynamic temperature, starting at absolute zero.

Formula and precision

Temperature conversions use offset-based logic (e.g., [°F] = [°C] × 9/5 + 32).
Yes. Conversions run locally in your browser using verified ratios and display up to 8 decimals. Some categories like temperature and fuel use specialized formulas.
  • Use smaller units for higher precision, then convert back if needed.
  • Temperature and fuel categories can’t be reduced to one constant multiplier.
  • Symbols vary by region (US/UK gallons, metric vs. imperial abbreviations).
  • For engineering work, validate with a second reference and keep unit symbols.

Quick examples

Example: 20 °C = 293.15 K.

Value (°C)Result (K)
0273.15
20293.15
37310.15
100373.15

Common mistakes and definitions

  • Assuming temperature is a multiplier-only conversion (it uses offsets).
  • Rounding too early before applying the full formula.
  • Mixing symbols (°C, °F, K) when copying results into reports.

Common Conversions Table

Celsius (°C)Kelvin (K)
-40233.15
0273.15
10283.15
20293.15
30303.15
37310.15
50323.15
100373.15

Category facts

Smallest unit (on this site)
Celsius (°C)
Largest unit (on this site)
Celsius (°C)

Popular conversions

Back to Temperature category Browse more related converters below.

Celsius → KelvinCelsius → FahrenheitKelvin → CelsiusFahrenheit → CelsiusRankine → CelsiusCelsius → NewtonCelsius → DelisleCelsius → Rømer

Related conversions

Convert Celsius to:
RankineRéaumur
Convert to Kelvin from:
FahrenheitNewtonDelisleRømer

FAQ

How to convert Celsius to Kelvin?
Enter the value in Celsius, choose the target unit Kelvin, and the result updates instantly. This page also includes the conversion formula and a quick reference table for verification.
What is the conversion formula from °C to K?
Temperature conversions use offset-based logic (e.g., [°F] = [°C] × 9/5 + 32).
What is the smallest unit in Temperature?
The smallest unit (as defined on this site) is: Celsius (°C). For higher precision, convert using a smaller unit first.
Why can results differ between websites?
Different standards, rounding rules, and unit definitions can change results. This page shows the formula used for transparency.
Are the results accurate?
Yes. Conversions run locally in your browser using verified ratios and display up to 8 decimals. Some categories like temperature and fuel use specialized formulas.

More Related Temperature Tools

Back to Temperature category
Convert to FahrenheitConvert to KelvinConvert to RankineConvert to NewtonConvert to RéaumurConvert to DelisleConvert to Rømer

People also convert

Celsius → FahrenheitKelvin → CelsiusFahrenheit → CelsiusRankine → CelsiusCelsius → Kelvin

Did you know?

Switch between Celsius, Fahrenheit, and Kelvin scales. Precision is the cornerstone of our platform. We utilize 15-digit floating-point arithmetic to ensure results meet 2026 industrial and academic verification standards. Looking for other types of calculations? Explore our Main Dashboard for 100,000+ precision permutations.