Calories Burned Tennis in Rockford, IL
Calculate how many calories you burn doing tennis in Rockford, Illinois. Adjusted for Rockford's continental climate (avg 53°F). MET: 8. Climate adjustment: +3%.
Tennis Calorie Calculator for Rockford
Tennis in Rockford for 30 minutes
299 kcal
MET 8 · 73 kg · 598 kcal/hour
Includes +3% climate adjustment for Rockford (53°F avg)
Climate Impact on Calorie Burn in Rockford
Cool weather causes mild thermogenesis as your body generates extra heat, increasing calorie burn by about 3%.
Rockford, Illinois has a continental climate with an average annual temperature of 53°F and 6 months suitable for outdoor exercise. When doing tennis here, your body expends approximately +3% more energy than it would in standard lab conditions (68-72°F). This means a 160 lb person burns ~299 calories in 30 minutes instead of the standard ~290 calories.
Calorie Burn by Duration (Rockford)
How many calories you burn during tennis at different durations in Rockford's continental climate.
| Duration | Base Calories | Rockford Adjusted | Difference |
|---|---|---|---|
| 15 minutes | 145 kcal | 150 kcal | +5 |
| 30 minutes | 290 kcal | 299 kcal | +9 |
| 45 minutes | 435 kcal | 449 kcal | +14 |
| 60 minutes | 581 kcal | 598 kcal | +17 |
| 90 minutes | 871 kcal | 897 kcal | +26 |
| 120 minutes | 1161 kcal | 1196 kcal | +35 |
Monthly & Yearly Calorie Burn Estimates
How many calories you could burn doing tennis for 30 minutes per session in Rockford, based on your current weight.
3 sessions / week
3,884
calories per month
46,644 cal/year
= ~13.3 lbs of fat
5 sessions / week
6,473
calories per month
77,740 cal/year
= ~22.2 lbs of fat
*Based on the widely used estimate that 1 lb of body fat = ~3,500 calories. Actual weight loss depends on diet, metabolism, and other factors. Climate adjustment of +3% applied for Rockford.
Rockford Fitness Overview
Rockford, Illinois (pop. 147,441) has a fitness score of 51/100 with 5.4 gyms per 100K residents and a walk score of 39. Residents average 5,900 daily steps and burn approximately 1,890 calories per day. Popular activities include hiking, snowboarding, cross-country skiing.
Fitness Score
51/100
Walk Score
39
Obesity Rate
29.7%
Outdoor Months
6
Other Activities in Rockford, IL
Water Polo
MET 10 · Very High
~374 cal / 30 min
Walking the Dog
MET 3 · Low
~112 cal / 30 min
Fishing
MET 3.5 · Low
~131 cal / 30 min
Basketball
MET 8 · High
~299 cal / 30 min
Jogging
MET 7 · Moderate
~262 cal / 30 min
Yoga
MET 4 · Low to Moderate
~150 cal / 30 min
Surfing
MET 6 · Moderate to High
~224 cal / 30 min
Weight Training
MET 6 · High
~224 cal / 30 min
Tennis in Other Illinois Cities
Chicago, IL
55°F · Continental
~290 cal / 30 min
Aurora, IL
53°F · Continental
~299 cal / 30 min
Joliet, IL
51°F · Continental
~299 cal / 30 min
Naperville, IL
54°F · Continental
~299 cal / 30 min
Elgin, IL
52°F · Continental
~299 cal / 30 min
Springfield, IL
51°F · Continental
~299 cal / 30 min
Peoria, IL
51°F · Continental
~299 cal / 30 min
How We Calculate Calories Burned for Tennis in Rockford
Our calculator uses the standard MET (Metabolic Equivalent of Task) formula with a local climate adjustment for Rockford:
Calories = MET × Weight (kg) × Duration (hrs) × Climate Factor
= 8 × Weight (kg) × Duration (hrs) × 1.03
The MET value of 8 for tennis is sourced from the Compendium of Physical Activities. The climate factor of 1.03 accounts for Rockford's average temperature of 53°F. Research shows that exercising in non-neutral temperatures increases energy expenditure as the body works to maintain its core temperature.
Singles tennis is a demanding sport that combines cardiovascular endurance with explosive power, agility, and strategy. Players cover significant distances during a match through sprints, lateral movements, and recovery jogs. The repetitive swinging motion builds upper body and core strength, while the constant court movement develops lower body fitness. Tennis is unique in that it provides both aerobic and anaerobic exercise within a single session, making it exceptionally effective for overall fitness.
Explore More Calorie Calculators
Calculate calories for any activity or check your total daily energy expenditure.
Frequently Asked Questions
How many calories does tennis burn in Rockford, IL?
A 160 lb person burns approximately 299 calories during 30 minutes of tennis in Rockford. This accounts for Rockford's continental climate with an average temperature of 53°F, which adjusts calorie burn by +3% compared to standard conditions. The base MET value for tennis is 8.
Does Rockford's climate affect calories burned during tennis?
Yes. Rockford has a continental climate averaging 53°F. Cool weather causes mild thermogenesis as your body generates extra heat, increasing calorie burn by about 3%. This means tennis in Rockford burns approximately +3% more calories compared to the standard MET calculation at 68-72°F.
What is the best time to do tennis in Rockford?
Rockford's moderate climate (avg 53°F) with 6 outdoor-friendly months makes tennis comfortable most of the year. Morning exercise may boost metabolism for the rest of the day, while evening sessions can help with stress relief and sleep quality.
How many calories per month can I burn doing tennis in Rockford?
At your current weight, doing tennis for 30 minutes in Rockford: 3 sessions/week burns ~3,884 cal/month (46,644 cal/year), while 5 sessions/week burns ~6,473 cal/month (77,740 cal/year). These estimates include the +3% climate adjustment for Rockford's 53°F average temperature.
Is tennis popular in Rockford, IL?
While tennis may not be the most popular activity in Rockford (popular activities include hiking, snowboarding, cross-country skiing), it is still widely practiced. The city offers 5.4 gyms per 100K residents and has a fitness score of 51/100. The continental climate with 6 outdoor months supports tennis for much of the year.