RPE

Description

Intensity Level
Approximation

Training Target
Heart Rate Zones

0

0.5

Veri light

45% Max HR

1

50% Max HR

Moderate Activity Zone

2

Fairly light

55% Max HR

Moderate Activity Zone

3

60% Max HR

Moderate Activity Zone
Weight Management Zone

4

Somewhat hard

65% Max HR

Weight Management Zone

5

70% Max HR

Weight Management Zone
Aerobic Zone

6

Hard

75% Max HR

Aerobic Zone

7

80% Max HR

Aerobic Zone
Anaerobic Threshold Zone

8

Very Hard

85% Max HR

Anaerobic Threshold Zone

9

90% Max HR

Anaerobic Threshold Zone
RED Line Zone

10

Very, very hard

95% Max HR

RED Line Zone

100% Max HR

RED Line Zone