Clo to tog
Type a value in clo to get it in tog instantly.
31tog
That's 1.24× as insulating as an insulated wall, while loft insulation is 1.94× better. That is a U-value of about 0.3226 W/m²·K.
What it means
How well does it insulate?
R-values here are for the material alone. Real walls lose extra heat through studs, gaps and joints.
The math
How to convert clo to tog
To convert clo to tog, multiply by 1.55.
Example: 20 clo × 1.55 = 31 tog.
In the other direction, 1 tog = 0.645161 clo.
Every unit
Your insulation in every unit
Tables
clo to tog conversion table
| clo | tog |
|---|---|
| 1 clo | 1.55 tog |
| 2 clo | 3.1 tog |
| 3 clo | 4.65 tog |
| 5 clo | 7.75 tog |
| 8 clo | 12.4 tog |
| 11 clo | 17.05 tog |
| 13 clo | 20.15 tog |
| 15 clo | 23.25 tog |
| 19 clo | 29.45 tog |
| 21 clo | 32.55 tog |
| 30 clo | 46.5 tog |
| 38 clo | 58.9 tog |
| 49 clo | 75.95 tog |
| 60 clo | 93 tog |
tog to clo conversion table
| tog | clo |
|---|---|
| 1 tog | 0.645161 clo |
| 2 tog | 1.29032 clo |
| 3 tog | 1.93548 clo |
| 5 tog | 3.22581 clo |
| 8 tog | 5.16129 clo |
| 11 tog | 7.09677 clo |
| 13 tog | 8.3871 clo |
| 15 tog | 9.67742 clo |
| 19 tog | 12.2581 clo |
| 21 tog | 13.5484 clo |
| 30 tog | 19.3548 clo |
| 38 tog | 24.5161 clo |
| 49 tog | 31.6129 clo |
| 60 tog | 38.7097 clo |
Quick answers
Quick answers
- How many tog is 1 clo?
- 1 clo is 1.55 tog.
- How many tog is 10 clo?
- 10 clo is 15.5 tog.
- How many tog is 20 clo?
- 20 clo is 31 tog.
The units
About these units
Clo (clo)
The clothing unit: 1 clo is what keeps a resting person comfortable at 21 °C, about 0.155 RSI.
Tog (tog)
The bedding unit: one tog is 0.1 RSI. A winter duvet is 13.5 tog.
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