About us Our goal is to help passionate cyclists and triathletes to race themselves, breaking all their personal records! Most cyclists use their FTP for their power input to calculate their PWR for an hour (or a standard criterium). Updated January 17, 2016 Watts vs. .blog-body section table { } I sort of find that effort suspect, but maybe it’s accurate. How to calculate bicycle gear ratio? info@7wattperkilo.com We use cookies to ensure that we give you the best experience on our website. Take a look at the table below to see where you line up. max-width: calc(100% + 20px); Beginners or Cat … These numbers should only be used as a rough ballpark for comparison and nothing more. Power-to-weight ratio (or specific power or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. I am working on losing some weight and hope to get down to 70kg by next season and at the same time I hope to raise my FTP to around 330-340. You might be interested in creating an account, or following via Facebook or Twitter. This is the blog of Cycling Analytics, which aims be the most insightful, most powerful and most user friendly tool for analysing ride data and managing training. Five days later Vincenzo Nibalitook the spoils as the Tour passed through, covering the stage in 4h22m53s at an average speed of 31.5kmh – that’s 11% quicker. Enter your FTP: W/kg. Running Watts; Space Heater: 1800: Humidifier 13 Gal. Example: Cyclist A weighs 167 pounds or 76 kg and his 20-minute TT power is 275 watts… By simply inputting your functional threshold power, our calculator creates your power zones and also gives you a detailed description about each zone! Notably, the median (50th percentile) twenty minute effort in watts per kilogram for males and females is exactly the same at 3.80W/kg, which means the average male and female Cycling Analytics user should be able to ride up a mountain at about the same speed. Are you looking for a new power meter to help you train with power? .blog-body section input { With just one input value, our calculator instantly creates your cycling and running heart rate training zones and gives you information about what these zones mean. Here are some recommendations. Welcome to the Cat-4's! What constitutes a good power to weight ratio changes based on the length of the effort, so be sure to check different efforts (5s, 1 min, 1 hour) to see how you stack up against other cycling categories. The average carbon dioxide coefficient of distillate fuel oil is 429.61 kg CO 2 per 42-gallon barrel (EPA 2018). There’s also a spike at 250W because it’s a nice round number that’s very close to the average FTP. Mine are VERY low (100) and I see many people seem to average between 200-300 watts.I doubt I will ever get that strong but was wondering what would be considered "OK" for an iron distance event. Race Categories will display. }. Adult Cat (0.8 * RER) MER (for BCS 4 & 5) Intact Cat (1.2 * RER) Neutered Cat (1.0 * RER) RER = Resting Energy Requirement (70 * body weight (or ideal body weight) in kg^0.75) MER = Maintenance Energy Requirement (RER * appropriate K-value based on … You are relatively light though so a bit of work on your ftp and you should do fine. Calculated weight in kg: {{ (lbsValue / 2.2) | number:1}}, This is your average power over a sustained time (ex 5min, 1 hr, etc), PWR: {{ (wattValue / weightValue) | number:2 }}. This table shows the difference between the numbers for males and females at equivalent percentile ranks relative to the female numbers, so “15%” means the male number is 15% higher. We'll calculate it for you and you can compare your gearing with our full bicycle gear ratio chart. What follows is this table overlaid with coloured lines representing each percentile level shown in the above tables. I am working on losing some weight and hope to get down to 70kg by next season and at the same time I hope to raise my FTP to around 330-340. It is calculated by dividing your weight by your average power output. The Zwift C category (next from the bottom) says that you should be able to ride at the level between 2.5 to 3.1 w/kg. There you go. The Power to Weight Ratio (PWR) is the standard that most cyclists use to measure their fitness and improvement. It is easily calculated by dividing your weight (in kilograms) by your average power output (in watts). border-right: 2px solid #ddd; } These are approximate values only. It’s important to do your best to choose the right category. Example: I weigh 84kg, so if I’m putting out 300 watts my w/kg is 300/84=3.57. Where do you fit in? Or maybe the table overstates what is typically achieved at these levels. Watts to watt-hour calculation formula. That would make my 20 minute power about 147 watts. This is probably especially true for the lower percentile levels. *Note* The data in this table is only rough estimates. Zwift provides five group ride and racing categories based on FTP (Functional Threshold Power) and measured in watts per kilo of body weight. In this post, we’ll look at what people say their FTP is, and then look at the best efforts that people have actually achieved for a handful of durations. About a quarter of my volume is racing. After losing 15 lbs. and maintaining 275 watts at FTP… Weight: 170 lbs. When completing the FTP test what rpm do you recommend? However, it is highly unlikely that any coaches or other individuals would have access to a sufficiently large database for this approach to be very accurate. If not, then enter your weight in lbs in the box below. Adult Cat (0.8 * RER) MER (for BCS 4 & 5) Intact Cat (1.2 * RER) Neutered Cat (1.0 * RER) RER = Resting Energy Requirement (70 * body weight (or ideal body weight) in kg^0.75) MER = Maintenance Energy Requirement (RER * appropriate K-value based on … Slovenian averages 6.5 watts per kilo for 24 minutes and 450 watts for the decisive attack ... with a total average of 429 watts (6.5 W/kg). .blog-body table { You should know what w/kg (watts-per-kilogram) you can sustain for an entire 1-hour ride. margin: 0 -10px; 95% of the twenty minute best effort is used for the FTP. But because I'm a smaller guy, I think I'll get destroyed in cat 5 at 2.6 watts/Kg. dBm to watts conversion calculator How to convert watts to dBm. Like with the men, not many women say they have a 190W FTP when it could be 200W instead. There are similar jumps in power between the 80th and 90th percentile, the 90th and 95th, the 95th and 98th, and the 98th and 99th, despite the declining number of people in each of those groups. Overall, males have higher absolute power outputs, but this gap is narrowed when taking weight into consideration, when looking at longer efforts, and when looking at higher percentile levels. margin: 0 3px 0 10px; Well look at you Mr. International Pro! Andrew Coggan put together a widely used table of power outputs in watts per kilogram that males and females, from world class to untrained and everywhere in between, are typically able to achieve for five seconds, one minute, five minutes, and at FTP. The Tuesday Night ZTR race is one such ride that has done a great job of clarifying this. Considering none of the other racers were even close and almost 100 watts less, it does stick out. Activity types, W’ balance and other updates. Cat RP12000 E: "This is one heavy-duty portable generator." Watts/kg on the power curve 14 June, 2012 by David Johnstone. All data is shown for males and females in watts and watts per kilogram. The five minute and FTP numbers are always better than the five second and one minute numbers. Mine are VERY low (100) and I see many people seem to average between 200-300 watts.I doubt I will ever get that strong but was wondering what would be considered "OK" for an iron distance event. Specific absorption rate (SAR) is a measure of the rate at which energy is absorbed per unit mass by a human body when exposed to a radio frequency (RF) electromagnetic field.It can also refer to absorption of other forms of energy by tissue, including ultrasound. This is the top of the domestic amateur level and you're super close to pro-level. This data is smoother because the peaks caused by the round numbers in reported FTP and weight smooth each other out. 446W = 377 + 4 + 65 5592 ft/hr, 13.4 mph: Tyler Hamilton (150lb/18.5lb) Mt Washington 7.6 miles, 11.49% grade: 360W = 338 + 4 + 18 5326 ft/hr, 8.78 mph: Mike Engleman (142lb/18lb) Mt Evans 28 miles, 4.55% grade: 339W = 228 + 3 + 107 3789 ft/hr, 15.806 mph Power-to-weight ratio is a measurement of actual performance of any engine or power source. For comparison, an athlete needs to be able to produce 6.8 watts/kg in a 30-minute pre-race test in order have a chance at winning the Tour de France. All the data here comes from people with power meters, and about half of Cycling Analytics users race regularly. Welcome to the Cat-2's! The average carbon dioxide coefficient of liquefied petroleum gases is 235.7 kg CO 2 per 42-gallon barrel (EPA 2018). This might be because a number of people haven’t uploaded rides where they have pushed themselves hard enough for these short durations. as a triathlete I`m trying to keep a high cadence and currently doing the test at around 100rpm, these are my latest result figures, FTP 341 watts, 4.49w/kg threshold hr 157 bpm. Check the FTP chart below for different time intervals to see where you stack up! Female Cycling Analytics users at a given percentile level are consistently on a higher level than the males. Back in 2015 we looked at the Etape to see just how its riders compared to those in the pro peloton. Welcome to the Cat-3's! Hope to get down to 73 by July. It’s important to keep in mind that this data represents what people have actually done, and because most people haven’t attempted a maximal effort at all durations, these numbers are lower than the true potential maximums of the population it represents. Caveat: Only part of the story is told by Watts (whether on the flats or climbing) so be sure to review: Torque. As an alternative, estimates of power output for riders of differing abilities could be derived from actual performance, e.g., in time trials – this approach, however, requires making somewh… I'm also a bit heavy being 85 kg's and 175 cm. The first rider across the line in the amateur sportive was France’s Jeremy Bescond in 4h52m44s. Thus, a better measurement, especially on climbs, is watts produced per kilogram of body weight (that normalizes the size difference). I’m not sure how to finish this other than by saying that I hope you found this informative. Keep in mind that these numbers are based on the people who use Cycling Analytics, and aren’t necessarily representative of the broader cycling community or people overall. My FTP is 4.25 w/kg for an hour or about 305 watts at 72 kg at my last test. These categories are: A: 4+ W/kg B: 3.9-3.2 W/kg C: 3.1-2.5 W/kg D: 2.4-1 W/kg E:Open W/kg Users can measure their FTP with an in-game FTP test which takes “95% of the average power exerted during the 20-minute test block,” according to Zwift. I'm also a bit heavy being 85 kg's and 175 cm. Rider Course Power and Climb Rate; Marco Pantani (123lb/16lb) Alpe d'Huez 8.6 miles, 7.89% grade: 371W = 300 + 3 + 70 5709 ft/hr, 13.681 mph: Jan Ullrich Example. Right now i can do 295 watts for an hour - Are those decent watts for a 4th cat race. Developed by Two Wheel Cruise blog / YouTube channel. Strength to weight ratio at FTP = 280 watts divided by 77 kg = 3.64 w/kg, equivalent to a competitive Cat 3 racer. Here are the categories that they recommend you race based on your FTP data and watts per kilogram. If you are thinking of road racing or crits then your ability to recover from balls out efforts is also important. } This means this athlete gained .31 watts per kg of body weight at FTP. .blog-body section th { — HouseholdMe "This is one heavy-duty portable generator. FTP can be also estimated automatically base… This site participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. I was wondering what is considered average Watts for a 54 year old women during the bike portion of an ironman. Enter your power in watts and weight in pounds. The energy E in watt-hour (Wh) is equal to the power P in watts (W), times the time period t in hours (h): E (Wh) = P (W) × t (h) So. } If you want to succeed in the A category, you’ll need to be able to hit 4.0 w/kg or better. Watt is defined as the rate of consumption of energy in an electric circuit where the potential difference is one volt and the current one ampere. The best term that I can think of is that Cycling Analytics users are “serious cyclists”. Of course Nibali had the assistance of his team and other riders around him (al… This is the entrance level for local elite level racing. } “The absolute meter-kilogram-second unit of power equal to the work done at the rate of one joule per second or to the power produced by a current of one ampere across a potential difference of one volt : 1⁄746 horsepower.” -Webster Dictionary All the data below and more is shown to Cycling Analytics users in interactive charts on the athlete statistics page, so consider creating an account if this is interesting. Notably, the median (50th percentile) twenty minute effort in watts per kilogram for males and females is exactly the same at 3.80W/kg, which means the average male and female Cycling Analytics user should be able to ride up a mountain at about the same speed. Looks like you need to train a bit harder if you want to start racing! Take a look at the table below to see where you line up. My best result was just over 18 1/2 mins at an average of 343 watts: I extrapolated (blind guessed!) The chart shows that to be a mid-pack cat-5 racer you'd have a 20 minute power of about 2.6 watts/Kg. .blog-body section td, .blog-body section th { padding: 4px 12px; } If you already know your weight in kg, then skip to step 2. Check out the table below to see where you stack up! The fraction oxidized to CO 2 is 100 percent (IPCC 2006). Each row represents what somebody at the nth percentile level has achieved, so the top row indicates that 99% of people have lower numbers than these, or that 1% of people have higher numbers than these. This post should answer some of those questions based on data from thousands of people who have used Cycling Analytics. 1W = 30dBm. Cycling Analytics users can see all this data for all times between one second and two hours with a chart like the one below, and a few more things, so create an account if you want to see more. It is defined as the power absorbed per mass of tissue and has units of watts per kilogram (W/kg). This is … Be prepared to see a lot of charts and tables and numbers. Your FTP is abnormally high.. This the category for entry-level racers. While Zwift may be more of a watts-per-kilogram (W/kg) contest than real-world racing, there is an art to W/kg utilization when it comes to deciding the virtual podium. I upped my volume by 33% this year to 400/week with every 4th week at a lower volume but same intensity, and I’m 49, 68 kg and about 4.8 watts/kg. This might be because the chart was designed for all types of cyclists, including track cyclists, whereas Cycling Analytics users are generally road cyclists. The graphs and Race Category table look like this: Speed <-- prev | next--> Cyclists: here you will find three (3) graphs for watts vs. speed plus Calculator for Watts to Speed plus Race Category per Power to Weight measurements and more regarding cyclist power & speed. There is a well known chart that estimates your category based on your watts/kg at various time intervals. It’s common to be curious about how your power output or FTP compares with other people, or to wonder what counts as “normal”. } Any advice, comment appreciated. There is less resolution for this data because there are a lot more males than females that use Cycling Analytics. The race consisted of a 4 lap 17.1 mile course with 1 significant hill each lap. The Tuesday Night ZTR race is one such ride that has done a great job of clarifying this. Watt: A measurement of power created during an activity. In theory, tables of standards for power output for different durations could be generated by simply collecting data on a large number of cyclists of widely varying ability. Check out the table below to see where you stack up! Hope to get down to 73 by July. You should know what w/kg (watts-per-kilogram) you can sustain for an entire 1-hour ride. The first place guy was averaging 472 watts or 6.1 W/KG (Watts per Kilogram of weight). Secondly, understand that watts per kilogram (w/kg), or power to weight ratio, is your current wattage (the power you’re putting into the pedals) divided by your body weight in kilograms. Just like 5‘11” males on dating sites, it looks like a lot of guys don’t want to admit that they have an FTP of 190W or 290W when it could be 200W or 300W instead. It’s now possible to see your power as watts per a kilogram on the power curve. Once you input your weight and FTP, check the table below to see how you stack up against different race categories and the pros. Convert 20 watts to dBm: P (dBm) = 10 ⋅ log 10 (1000⋅20W) = 43.0103dBm Watts per kg are less important on a flat TT than a hilly roadrace. Any advice, comment appreciated. 175: Furnace Fan Blower - ⅓ HP: 700* Window AC - 12,000 BTU: 3250* Central AC - 10,000 BTU: 1500* Central AC - 24,000 BTU: 3800* Heat Pump: 4700 * Allow 2 times the listed running watts for starting these devices. When racers join a lower category than they should, sometimes called “sandbagging,” it can take away from fun and fair racing for others. It’s worth saying a few words about Cycling Analytics users, because they aren’t a perfectly random sampling of cyclists or people overall. Choosing Your Category. Congrats, you have the power to make it as a domestic pro! A rider who averages 6.8 watts/kg for 30 minutes may only be able to sustain 6.4 watts/kg for an hour. Now, back to … For example, if a rider has an FTP of 210 watts and weighs 75 kilograms, that means the rider’s FTP is 2.8 w/kg. I upped my volume by 33% this year to 400/week with every 4th week at a lower volume but same intensity, and I’m 49, 68 kg and about 4.8 watts/kg. Welcome to the Cat-5's! I was wondering what is considered average Watts for a 54 year old women during the bike portion of an ironman. Power to Weight Ratio (PWR) is a simple way to calculate and compare your cycling performance. For example, an 80kg rider with a maximum sustainable power output of 280 watts has a power-to-weight ratio of 3.5 watts per kilo (commonly abbreviated as 3.5W/kg or 3.5W.kg-1). Congrats on making it to Cat-1 level! text-align: center; Check out the table below to see where you stack up! What constitutes a good power to weight ratio changes based on the length of the effort, so be sure to check different efforts (5s, 1 min, 1 hour) to see how you stack up against other cycling categories. Specific absorption rate (SAR) is a measure of the rate at which energy is absorbed per unit mass by a human body when exposed to a radio frequency (RF) electromagnetic field.It can also refer to absorption of other forms of energy by tissue, including ultrasound. Right now i can do 295 watts for an hour - Are those decent watts for a 4th cat race. Some ride and race events openly advertise what those levels should be for each category. @media screen and (max-width: 959px) { There is a lot more variation at the extremes. You’ll first want to add your weight, and then you can click on the W/kg button at the top right of the graph and the values are shown as watts per a kilogram. Firstly, let’s look at what people say their FTP is. Thus, a better measurement, especially on climbs, is watts produced per kilogram of body weight (that normalizes the size difference). .blog-body section .header th { that downwards to 335 watts for 20 mins which at a weight of 69.4 kilos gives a 20 min w/kg of 4.82 and a 60 min w/kg of 4.47 (I've taken 7.5% off the 20 min figure). If you continue to use this site we will assume that you are happy with it. P (dBm) = 10 ⋅ log 10 ( 1000 ⋅ P (W) / 1W) = 10 ⋅ log 10 ( P (W) / 1W) + 30. so. Check out the table below to see where you stack up! overflow: scroll; It is defined as the power absorbed per mass of tissue and has units of watts per kilogram (W/kg). Easily convert speed to watts using this online speed to watts conversion calculator. My FTP is 4.25 w/kg for an hour or about 305 watts at 72 kg at my last test. border-bottom: 2px solid #ddd; The fraction oxidized is 100 percent (IPCC 2006). .blog-body section .border { Check out the table below to see where you stack up! People in the bottom 20% don’t make it onto the table for five second and one second efforts. border-collapse: collapse; width: 40px; Slovenian averages 6.5 watts per kilo for 24 minutes and 450 watts for the decisive attack ... with a total average of 429 watts (6.5 W/kg). There are a lot more males than females using Cycling Analytics, so the top percentile listed here is the 95th. In addition to the best efforts for five seconds, one minute, five minutes and twenty minutes, 95% of the twenty minute best effort is shown because it’s a common estimate for FTP. About a quarter of my volume is racing. It’s one thing to say you have an impressive FTP, but it’s something else to demonstrate it, so let’s now look at the best power outputs that Cycling Analytics users have sustained for various durations. The power P (dBm) in dBm is equal to 10 times the base 10 logarithm of 1000 times the power P (W) in watts (W) divided by 1 watt (W):. Check out the table below to see yourself at the top of the food chain! text-align: right; This is … (77kg) Power at FTP: 280 watts. Check out the table below to see where you stack up! For more detailed information about training with power and improving your power to weight ratio, I recommend the following books / references. Some ride and race events openly advertise what those levels should be for each category. These values are constantly changing, and may vary depending on your country/location. FTP, or functional threshold power, is nominally the power output that can be sustained for one hour. Looking at the Training Peaks chart above, this power actually falls under the B-grade/C-grade category for threshold power. You can calculate watt-hour from watts and hours, but you can't convert watts to watt-hour, since watts and watt-hour units represent different quantities. Approximate definition: A human climbing a flight of stairs is doing work at the rate of about 200 watts (Wikipedia). display: block; Check out the table below to see where you stack up! The Cat RP12000E Gas Powered Portable Generator 502-3699 is user-friendly and safe enough to use for household electricity needs yet tough and powerful enough to withstand rough handling on job sites.