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Simple Math

 


 
 
Walking Treadmill

FitnessMath.com Cardio Calcs includes equations that relate to intensity of activity.

Here is a short page just covering Treadmill Walking equations.

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GOOGLE CALCULATORS

O2 CONSUMPTION TREADMILL WALK
What is the relative oxygen consumption of walking 3 mph at a 3% treadmill grade?

In the expression below we are adding a resting component, horizontal component and a vertical component of oxygen consumption:


In this formula you can replace '3.0' (both mph)
and .03 (percent grade) with your numbers.

Resting component = +3.5 ml O2/kg/min
Horizontal component =
Speed (meters/min) X .1 ml (O2/kg/min)/(m/min)
Vertical component = Grade X speed m/min X 1.8 ml O2/kg/min
1 mph = 26.8224 meters/minute.
Horizontal component oxygen consumption = .1 ml (O2/kg/min)/(m/min)
Vertical component oxygen consumption = 1.8 ml O2/kg/min/(m/min)

3.5 + (3.0 *26.8224)*.1 +.03 * (3.0 *26.8224) * 1.8 = 15.89
EXAMPLE answer in the equation should read 15.89 (ml O2/kg/min)

 

 

KCAL PER MINUTE TREADMILL WALK
How many kcal/minute burned during walking on treadmill?

In the expression below we are adding a resting component, horizontal component and a vertical component of oxygen consumption and converting to kcal/minute (about 5 kcal per Liter O2 consumed for total body weight -- 200 lb in this example):


In this formula you can replace '3.0' (both horizontal and vertical mph)
and .03 (percent grade) and 200 (body weight in lbs) with your numbers.

Resting component = +3.5 ml O2/kg/min
Horizontal component =
Speed (meters/min) X .1 ml (O2/kg/min)/(m/min)
Vertical component = Grade X speed m/min X 1.8 ml O2/kg/min
1 mph = 26.8224 meters/minute.
Horizontal component oxygen consumption = .1 ml (O2/kg/min)/(m/min)
Vertical component oxygen consumption = 1.8 ml O2/kg/min/(m/min)
Conversion to kcal/per min (200 lbs/2.204623 lbs/kg) * 5 kcal/L* .001 L/ml

(3.5 + (3.0 *26.8224)*.1 +.03 * (3.0 *26.8224) * 1.8) * (200/2.204623)*5*.001 =7.2
EXAMPLE answer in the equation should read 7.2 kcal

RUNNING SPEED CATEGORIES
Sprint ³ 7:00/mi (8.5 mph)
Run = 7:00 - 9:00/mi (8.5 - 6.6. mph)
Jog = 9:00 - 11:00/mi (6.6 mph - 5.4 mph)
Speed Walk = 11:00 - 16:00/mi - 20:00/mi
(5.4 mph - 3.7 mph - 3.0 mph)

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*Some calculations may not be appropriate for certain individuals. This site is intended for use as an educational tool, not a clinical tool. Always check with your physician before starting an exercise program.

FitnessMath.com © Copyright 2006 Apriori, Inc. AA-ER.com

 

 

HELPFUL LINKS

 

TREADMILL MPH
TREADMILL PACE

Speed(mph)  Min/mile(m:s)

     2.0      0:30:00
     2.1      0:28:34
     2.2      0:27:16
     2.3      0:26:05
     2.4      0:25:00
     2.5      0:24:00
     2.6      0:23:04
     2.7      0:22:13
     2.8      0:21:25
     2.9      0:20:41
     3.0      0:20:00
     3.1      0:19:21
     3.2      0:18:45
     3.3      0:18:10
     3.4      0:17:38
     3.5      0:17:08
     3.6      0:16:40
     3.7      0:16:12
     3.8      0:15:47
     3.9      0:15:23
     4.0      0:15:00
     4.1      0:14:38
     4.2      0:14:17
     4.3      0:13:57
     4.4      0:13:38
     4.5      0:13:19
     4.6      0:13:02
     4.7      0:12:45
     4.8      0:12:30
     4.9      0:12:14
     5.0      0:12:00
     5.1      0:11:45
     5.2      0:11:32
     5.3      0:11:19
        JOG
     5.4      0:11:06      5.5      0:10:54
     5.6      0:10:42
     5.7      0:10:31
     5.8      0:10:20
     5.9      0:10:10
     6.0      0:10:00
     6.1      0:09:50
     6.2      0:09:40
     6.3      0:09:31
     6.4      0:09:22
     6.5      0:09:13

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