dincalculator.com / bike
Cycling Nutrition Calculator & GPX Tools
Upload a GPX file from your Garmin, Wahoo or Strava export. Get a precise hour-by-hour nutrition plan, fix GPS recording errors, and trim your route, all free, no account needed.
Calculate nutrition →GPX & Route Tools
Live
Cycling Nutrition Calculator
The only cycling nutrition calculator that reads GPX files. Upload your route from Garmin, Wahoo or Strava and get a precise hour-by-hour nutrition plan: gels, carbs and hydration matched to elevation and power.
GPX uploadPower modelElevation syncHover map
Live
Route Card Generator
Upload a GPX file and generate a printable 18×4 cm stem sticker with elevation profile, gel timing and hydration cues.
GPX uploadElevation profileGel markersPrint-ready SVG
Live
GPX Editor
Clean up GPS errors, remove spikes and trim your route. Export a fixed GPX file ready to load on your device.
Spike removalTrim routeMove pointsExport GPX
Tyre Pressure
Live
Tyre Pressure Calculator
Calculate the optimal tyre pressure for road cycling based on rider weight, bike weight and tyre width.
Front & rear PSITubeless-awareRoad & cobbles
Live
Gravel Tyre Pressure
Find the right pressure for gravel and off-road riding. Tubeless-aware. Lower pressures, better grip.
Tubeless vs clincherSurface typeRiding style
Live
MTB Tyre Pressure
Calculate front and rear MTB tyre pressure based on rider weight, tyre width, riding style and tubeless setup.
XC / Trail / EnduroTubeless-awareFront & rear PSI
Live
eMTB Tyre Pressure
Tyre pressure for electric mountain bikes. Accounts for motor and battery weight up to 32 kg.
eMTBE-ratedTubeless
Live
Tubeless Sealant Calculator
How much sealant to put in your tubeless tyres. Based on tyre volume and brand recommendations.
ml per tyreTop-up intervalRoad, gravel, MTB
Bike Fit & Setup
Live
Cleat Position Troubleshooter
Knee pain? Foot numbness? Select your symptoms for an instant diagnosis with specific cleat adjustment fixes.
PainDiagnosis
Live
Cleat Setup Guide
New cleats? Step-by-step setup for SPD-SL, Look Keo, SPD, Speedplay and Time. With diagrams.
SetupPedals
Live
Saddle Pain Troubleshooter
Saddle discomfort? Select where it hurts for an instant diagnosis with specific saddle position adjustments.
PainDiagnosis
Live
Cycling Helmet Size
Find your helmet size from head circumference. Based on EN 1078 certification standards.
EN 1078XS – XXLcm & inches
Suspension
Live
Suspension Sag Calculator
Calculate the correct sag percentage for your MTB fork and rear shock.
MTBSetup
Live
Rebound Settings Guide
Find the right rebound damping for your suspension based on riding style.
MTBTuning
Live
Compression Settings Guide
Set compression damping for your fork and shock based on terrain and weight.
MTBTuning
E-bike
Live
E-bike Legal Checker
Check if your e-bike meets EU legal requirements under EN 15194. Motor power, speed limit, and pedal assist.
EN 15194EU / UK / USInstant verdict
Live
E-bike Range Calculator
Estimate realistic e-bike range from battery capacity, rider weight, terrain and assist level. Physics-based model, not manufacturer estimates.
Physics modelTerrain & windTemperature
Live
E-bike Charging Cost
Calculate the cost of charging your e-bike. Compare monthly and annual costs vs driving a car.
Cost per chargeAnnual totalvs car
Live
E-bike Route Planner
Upload your GPX route and find out if your e-bike battery will last. See remaining charge at every kilometre. Physics-based model.
GPX uploadBattery chartSafe / Tight / Empty
Other
Live
Cargo Bike Weight Limit
Check maximum load capacity for your cargo bike category. Based on ISO 4210 bicycle safety standards.
ISO 4210System weightAll categories
Soon
My Routes
Save and revisit your rides. Compare nutrition plans across routes and track your history. Requires a free account.
Firebase AuthRoute historyCompare ridesFree account