homeCalculators (spoke, tow, and calories)
 Cycling calorie calculatorType in your weight in lbs, time spent on bike and average speed and out pops your estimated use of calories for the journey. |
| Bike v car: carbon emissions Use this calculator to work out how much CO2 your cars spews out. |
| Analytic cycling This US site sells wheels but it's packed with tools and databases for go-faster cycling. |
| Calorie calculator Or Basal Metabolic Rate calculator. Also known as the Basal Energy Expenditure. This is the Harris-Benedict Equation from 1919! it's a calculation done by doctors to check a patient's energy expenditure. it's also used in sports. This online BMR/BEE calculator will give you a basic figure. This should be multiplied up depending on your current levels of exercising per day. Sedentary folks should multiply by 1.2. If you're lightly active, multiply by 1.375. Moderately active? Multiply by 1.55. Exercise hard 5-6 days a week? Multiply by 1.725. Are you a speed freak, never off your bike and work hard, too? Multiply by 2. The result will be the total number of calories you need in order to maintain your current weight. |
| Energy calculator How much energy do you burn when you cycle up hill and dale on various types of bike? CTc's Chris Juden has a nifty little Excel file you can download and play with. |
| Petrol savings calculator Use it to work out how much you save by cycling to work instead of driving. You need to know the price of petrol in your area and how many miles per gallon your car does. There's a US version on www.CommuteByBike.com |
| Spoke calculator for PCs Spokes come in many sizes. Hubs too. To get the right length of spokes in the right hubs, it's often necessary to use a 'spoke calculator'. This link is to Spocalc, an Excel spreadsheet calculator. There are also links to other online spoke calculators. For excellent, down-to-earth advice without the use of fancy computer programmes go to the CTC page on wheelbuilding: http://www.ctc.org.uk/DesktopDefault.aspx?TabID=3524 |
| Bike component weights If you've got to know how light a component really is before you'll consider fitting it to your featherweight frame, this info-dense site will be right up your street. |
| Spoke calculator for Macs There are squillions of spoke calculators for PCs, this is likely the only one for Apple afficiandos. |
| Calculators galore! This site sells stuff (mainly to American cyclists); but it's packed with lots of calculators, from tests on varoous aero positions to gear calculators and many unusual calculators for the true cycling nerd in us all! |
| Journey emissions calculator (all modes) Compare the entire life-cycle environmental impacts, including carbon dioxide and emissions that affect local air quality, for all modes of transport, including cycles, public transport, personal and business vehicles, and planes, for a particular journey in the UK. Use postcodes to plot A to B journeys. The cycling option even asks you about your diet (are you 100 percent organic?) |
| Fat calculator Body Mass Index is a measurement of body fat based on height and weight that applies to both men and women between the ages of 18 and 65 years. BMI can be used to indicate if you are overweight, obese, underweight or normal. Use this online calculator to see where you score... |
| Gear calculator Cycle tech-heads like to know all about what gear they're in. No, not Lycra shorts and waterproof jacket, cogs and stuff. And, no, not just fifth gear or whatever, but the actual 'length' of the gear, usually measured in inches. You really, really don't need to know this information. But if you do, US bike shop mechanic, and legend, Sheldon Brown, devotes part of his site to a JavaScript-powered gear calculator. Turn off any pop-up blockers. |
| Towing weight calculator How much can you haul behind a bike? More than you may think! This trailer manufacturer has created an online calculator for working out how much weight a freight-hauling bike can carry given a number of variables. Wanna tow a sail-boat or a long kayak? Or how about a fridge-freezer? No problem! |
| Calculator-fest This US custom-built bikes site has an Excel spreasheet download that bristles with tech calculators. "This file's original purpose was calculating gear ratios and drivetrain capacities in the shop. The program now features additional pages for determining chainring bolt-circle-diameters, a spoke-length calculator that accounts for hubs with differing flange diameters and asymmetric rims, a gear table for the Rohloff SPEEDHUB 500/14, and more." |
| Carbon calculator It's a pity you have to register with an email address before you've even started this 'carbon-use calculator' but persevere and you will work out your estimated CO2 emissions, your 'carbon footprint'. Cycle more, drive less. |
