Cycling drafting calculator. Jan 25, 2020 路 Drafting On Flat Roads On Ocean Boulevard: drafting a rider holding 330 watts requires 241 watts – a 27% savings drafting a rider holding 270 watts requires 208 watts – a 23% savings We would expect the power savings on flats to fall somewhere in between the savings we saw on the climbs and the descents, and that is indeed the case (apart from the hilly KOM reverse data at 270 watts which Oct 3, 2017 路 Studies have shown drag reductions of between 27% and 50% for riders that are drafting, with the exact reduction depending on a number of variables — the size and on-the-bike position of the rider in front, likewise with the rider drafting, the distance from the wheel in front, the direction and strength of the wind, and more. But most cyclists don’t know how to do it. DRAFTING CALCULATOR (TRACK) ? HEAT CALCULATOR. Effortlessly compute speed or power for all important parameters, such as weight, grade, position and tire type. ICU BUILDER [NEW] NUTRITION CALCULATORS >> CALORIE TO WEIGHT LOSS CALCULATOR ? EVENT FUEL AND BONKING CALCULATOR ? RACE DAY NUTRITION CALCULATOR ? Jul 28, 2025 路 XY Bike Calc - A collection of bike geometry tools for calculating handlebar and saddle positions using X/Y coordinates. Draw and plot your precise cycling route on the map, with specialized routing or freehand point by point. Jan 25, 2011 路 Two professional cyclists of similar size (185cm and 75kg) covered 1 km on flat course several times, at different speeds, alternating their positions: either in the front or drafting from the other. Use this simple and free calculator to determine your cycling fitness by using your FTP or the best 20-minute average power with weight. If you're curious about what power you produce while cycling and how it depends on your position, speed, or even tire type, give this cycling wattage calculator a try! 馃毚. Our math and physics engine takes your power data, course info, and race day conditions to predict your race performance and create the perfect power plan so you can hit your best bike split ever. Most are open access chronoswatts. So, how close do you need to be to experience the benefits of drafting? Even if you are a full bike-length behind the rider in front of you, you are still experiencing some benefit. Welcome to the oldest and most popular bicycle performance prediction calculator on the web - since 1997. You'll get an estimated threshold power, and ultimately your cycling level with an explanation. There is no charge but consider a donation or ask for a private copy. net. Stop guessing, set your next bike up with accurate measurements. com Chronos and Watts simulations for the best cycling performances, during the mythic climbs of The Tour de France, Giro and Vuelta. The graph below shows the difference in power output in watts between pushing at the front and drafting from a single rider: the saving at 30 km/h is 60w, increasing to 120w at 40 km/h and getting Our calculators solve cycling problems using shared google sheets or openasapp. Jul 9, 2025 路 Drafting isn’t just for racers, and doing it correctly can cut your fatigue in half. However, the closer you get to the wheel of the rider in front of you, the more energy you will conserve.
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