Candle Making Calculator - Online Wax & Fragrance Ratio
Calculate the exact amount of wax and fragrance oil needed based on container volume and desired scent load. DIY candle crafting.
UD5 Toolkit
Quickly calculate dimensional weight, volume, and get an estimated shipping cost using real carrier divisors.
Enter parcel details to see results
Volume, DIM weight, billable weight & cost estimateCalculate the exact amount of wax and fragrance oil needed based on container volume and desired scent load. DIY candle crafting.
Calculate semester or cumulative GPA on a 4.0 scale. Add courses, credit hours, and letter grades. Instant calculation. No data storage.
Combine multiple identical batteries in series and parallel and see the resulting voltage and total capacity. Electronics helper.
Answer a few questions about your project and get a recommended open‑source license with a ready‑to‑copy LICENSE file text.
Check read/write/execute boxes and see the octal and symbolic chmod representation. Learn and compute file permissions.
Calculate the exact number of days, weeks, months, and workdays between two dates. Visual calendar highlights. Perfect for projects.
Pick two cities, set a date, and instantly see the time difference. Plan the perfect meeting time across time zones.
Choose your cup size and sweetness level, and get exact proportions for tea, milk, syrup, and tapioca pearls. Perfect homemade boba every time.
Enter temperature and wind speed (or humidity) to get the 'feels like' temperature. Safety guidelines included.
Calculate resistor values for transistor fixed bias or voltage divider configuration. Quick quiescent point analysis.
Track your subscriptions, calculate monthly and yearly totals, and find savings by pausing unused services. Local data.
Determine the minimum sample size needed for a survey or A/B test with a given confidence level and margin of error.
Compute confidence intervals for a population mean (known/unknown sigma) and proportion. All popular Z/T values. Local.
Easily compute posterior probabilities given prior, likelihood, and marginal likelihood. Visual diagram. All local.
Enter a number to find its golden ratio long and short segments. Use for pleasing design layouts. Instant.
Calculate new dimensions while preserving aspect ratio, or find the ratio from width and height. For video and images.
Find out how large you can print based on image resolution in pixels. Understand DPI and megapixels.
Learn about f‑stops and their effect on light and depth. Calculate equivalent exposure adjustments. Educational.
Find the CAGR of an investment given start and end values over a time period. Instant growth rate.
Calculate your running pace per mile/km, finish time for a race, and split times. Essential for runners.
Measure your waist‑to‑hip ratio and learn about associated health risks. WHR interpretation. Educational only.
Enter two sides of a right triangle and get the third. Also gives area and perimeter. Simple and visual.
Find the centroid (center of mass) of any convex polygon by entering vertex coordinates. Useful for physics and design.
Enter a chemical formula (e.g., H2O, C6H12O6) and calculate its molar mass. Handles parentheses and hydrates. Pure frontend.
Estimate monthly car loan payments with trade-in, down payment, and sales tax options. Amortization schedule included. Client-side calculation.
Estimate body fat percentage using the US Navy circumference method or BMI-based formula. Private and instant, all data stays on your device.
Calculate with binary numbers: addition, subtraction, multiplication, and division. Also bitwise AND, OR, XOR. Programmer's tool, fully client-side.
Fairly distribute pooled tips among staff based on hours worked or points. Customizable percentages. All calculations local and private.
Estimate the total price after adding US state sales tax. Select state, enter amount, and see breakdown. Simple and quick, perfect for shoppers.
Project how your savings and investments grow over time with compound interest. Interactive chart and detailed table. Free and anonymous.