Sizing for Truform Classic Medical 20-30 and 30-40 mmHg knee high and thigh high stockings. Toggle inches/cm and tap a measurement to highlight your size per Truform's official charts.
Truform Classic Medical 20-30 & 30-40 mmHg Size Chart
Knee High & Thigh High
Tap any measurement below to see your full size details.
👆 Tap a value in the table to highlight your size.
Measurements
| Measure | Small | Medium | Large | X-Large | 2X-Large | 3X-Large |
|---|---|---|---|---|---|---|
| Ankle (circumference) | ||||||
| Calf (circumference) | ||||||
| Thigh (circumference) | ||||||
| Length to thigh |
Small
Ankle (circumference)
7" - 8¼"
Calf (circumference)
11" - 14"
Thigh (circumference)
up to 20"
Length to thigh
up to 26"
Medium
Ankle (circumference)
8⅜" - 9⅝"
Calf (circumference)
13½" - 16"
Thigh (circumference)
up to 22"
Length to thigh
up to 28"
Large
Ankle (circumference)
9¾" - 11"
Calf (circumference)
15½" - 18"
Thigh (circumference)
up to 23"
Length to thigh
up to 29"
X-Large
Ankle (circumference)
11⅛" - 12⅜"
Calf (circumference)
17½" - 20"
Thigh (circumference)
up to 24"
Length to thigh
up to 31"
2X-Large
Ankle (circumference)
12½" - 13¾"
Calf (circumference)
19½" - 22"
Thigh (circumference)
N/A
Length to thigh
N/A
3X-Large
Ankle (circumference)
12½" - 13¾"
Calf (circumference)
21½" - 24"
Thigh (circumference)
N/A
Length to thigh
N/A
- 2X-Large and 3X-Large share the same ankle range and are differentiated by calf measurement.
Need help choosing your size?
Our Certified Fitters are standing by. Mon–Fri 8am–7pm CST
📞 1-800-504-7315
Between sizes? Size down for a firmer therapeutic fit, or up for easier donning. It should feel snug — like a firm, even hug.
Wrong size? No problem. Easy exchanges — we’ll get you into the right fit.
Measure first thing in the morning, before swelling, with a soft tape measure held level. Applies to: Knee High & Thigh High — 30-40 mmHg. Step-by-step Measuring Guide →
