Horse Feed Calculator - Online Daily Hay & Grain Ration
Estimate daily hay and grain needed for a horse based on weight and workload. Follows 2% body weight rule. Educational reference.
UD5 Toolkit
Perfect DIY boba proportions — customized for your taste, cup size & servings
Estimate daily hay and grain needed for a horse based on weight and workload. Follows 2% body weight rule. Educational reference.
Calculate how much liquid fertilizer concentrate to add per gallon of water based on desired N concentration.
Calculate required bags of cement, sand, and gravel for a given concrete volume using standard mix ratios (1:2:4, etc.). Supports metric and imperial.
Choose your tea type and start a precise steeping timer with color‑changing background. Never over‑steep again.
Find safe mixing ratios for the classic elephant toothpaste demonstration. Volume adjustments for different container sizes.
Perform common percentage calculations: find percent of a number, percentage increase/decrease, and more. Simple, fast, and always available for free.
Enter mold dimensions or water weight to get total resin needed, including Part A and B.
Calculate water and soda ash needed to pre‑soak fabric for tie‑dye. Achieve vibrant, long‑lasting colors.
Select tea type and get recommended steeping time & temperature. Start a visual countdown with an alert. Make every cup perfect. No ads, local.
Project how your savings and investments grow over time with compound interest. Interactive chart and detailed table. Free and anonymous.
Calculate cubic yards or meters for various shapes (rectangular slab, circular column, trapezoidal footing). Local math tool.
Enter product size and price for two items to see true cost per unit (oz, lb, ml, etc.). Always find the better deal. Quick local math.
Displays the national poison control number and basic first steps for common household ingestions. Seek medical help immediately.
Mix your own feed by entering grain percentages and see the resulting crude protein. Formulate a balanced diet for your flock.
Estimate the total price after adding US state sales tax. Select state, enter amount, and see breakdown. Simple and quick, perfect for shoppers.
Calculate airflow in cubic feet per minute given velocity and duct diameter. Simple HVAC reference. Local only.
Find the CAGR of an investment given start and end values over a time period. Instant growth rate.
Enter a Sudoku puzzle and watch it solved step-by-step with techniques explained. Learn solving strategies. Local only.
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
When a yarn is discontinued, find equivalent alternatives by matching weight and gauge. Local reference.
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
Enter number of eyelet pairs and lacing style to find the correct shoelace length in inches/cm. Never buy too short.
Enter a dataset to compute Q1, median, Q3, IQR, and highlight outliers. Visual box plot generated in canvas.
Enter a hook size in any system and instantly see the equivalent in all other standards.
Test min, max, and step constraints on `<input type='number'>`. See how invalid values are handled. Undocumented behavior.
Calculate dehydrating time based on meat slice thickness and desired texture. Countdown timer with reminders.
Compare mouthpiece specifications side‑by‑side. See how changes affect tone and range. Educational for brass players.
Schedule your iron supplement away from inhibitors (coffee, calcium). Visual reminder and log.
Study HSK 1‑6 vocabulary with digital flashcards. Show/Hide pinyin and translation. Track known words locally.
Enter spring constant and displacement to find force and stored energy. Visual compression.