Heart & coagulation

Alpha-2-antiplasmin unit converter

Main inhibitor of plasmin (fibrinolysis)

Also known as: Alpha 2 antiplasmin, A2AP, Plasmin inhibitor

Converter

Enter a value in any unit and all other units fill in.

IU/mL % = IU/dL

Worked example

110 % (middle of the reference range) = 1.1 IU/mL

Conversion formulas

IU/mL	IU/mL = % × 0.01	% = IU/mL × 100

Good to know

Alpha-2-antiplasmin activity is reported in % or in IU/dL (identical) or in IU/mL.

1 IU/dL = 1 %; 1 IU/mL = 100 %.
A very low value can cause a bleeding tendency because clots dissolve too fast.

Reference range

Unit	Adults
IU/mL	0.98 – 1.22
% = IU/dL	98 – 122

Source: Newcastle Hospitals Laboratories: Alpha 2 Antiplasmin · Last reviewed: 2026-10-19

Note from the source: 98-122 % (= IU/dL) (Newcastle Hospitals Laboratories); assay-specific

Frequently asked questions

How do I convert Alpha-2-antiplasmin from % to IU/mL?

IU/mL = % × 0.01. In the other direction: % = IU/mL × 100.

What is the reference range of Alpha-2-antiplasmin?

For adults the range is 98 – 122 % (Newcastle Hospitals Laboratories: Alpha 2 Antiplasmin). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Alpha-2-antiplasmin?

Common units are IU/mL, %.