UD5 Toolkit
Hiking Pace & Time Estimator - Online Trail Plan with Elevation
Estimate hiking time using Naismith's rule (distance + elevation gain). Adjust for terrain and fitness. Plan your outdoor adventure.
Tag: CO2 Emission Calculator
15+ toolsCandle Burn Time Estimator – Online Wax Type & Wick
Select wax type, candle diameter, and wick size to estimate total burn time.
Steps to Calories Estimator – Online Manual Pedometer
Enter daily steps and weight to see approximate calories burned. No tracking, just convert.
Pregnancy Due Date Estimator - Online LMP & Cycle Length Tool
Estimate due date from last menstrual period or conception date. Uses Naegele's rule and shows week-by-week milestones. Local calculator for informational use.
Paint Coverage Estimator - Online Wall Area & Cans Needed
Input room dimensions and number of coats to estimate how many gallons/litres of paint you need. Excludes doors/windows optionally. Local calculator.
Goat Weight Estimator – Online Heart Girth to Pounds
Enter heart girth measurement to estimate goat weight in pounds or kilograms. Simple farm tool.
Paper Towel Consumption Estimator – Online Weekly Roll Use
Track how many rolls you use per month. Input sheet count to find cost per sheet. Reduce waste.
Child Support Estimator – Online Simple State Guideline Calculator
Approximate monthly child support obligation based on both parents incomes and number of children. Uses simplified model for educational reference. Not legal advice.
Grocery Cost Estimator - Online Budget Your Weekly Cart
Build a virtual grocery list with estimated prices and see total before you shop. Adjust quantities, mark bought items. Data stays in browser.
Body Fat Percentage Estimator - Online US Navy & Covert Bailey Method
Estimate body fat percentage using neck, waist, hip (if female) measurements. Supports US Navy, Covert Bailey, and 3-site skinfold methods. No data sent to server.
Blood Alcohol Content Estimator - Online BAC Chart
Roughly estimate your BAC based on weight, gender, drinks consumed, and time. Educational; do not drive.
Carbon Footprint Estimator - Online Simple Lifestyle Check
Answer a few questions about travel, diet, and energy use to estimate your carbon footprint. Awareness tool.
Blood Alcohol Content Estimator - Online BAC Calculator
Estimate BAC based on gender, weight, drinks consumed, and time. Uses Widmark formula. Educational tool, never encourage drunk driving. Local only.
Browser Storage Quota Estimator - Online Check Limit
Estimate how many MB/GB your storage can hold based on navigator.storage.estimate() and display as a pie chart.
Tiny House Cost Estimator – Online DIY Build Budget Tool
Breakdown of expected costs (materials, appliances, etc.) for a tiny house. Adjust percentages or enter custom. Local calculation.