Free Online Calculators & Tools
Welcome to the complete collection of free online calculators. All tools are fast, mobile-friendly, and require no signup. Use the quick navigation table below or browse the full list.
| Tool Name | Category | Quick Link |
|---|---|---|
| Turtle Tank Size Calculator | Pets & Reptiles | Open Tool |
| Candle Wax Calculator | Crafts & DIY | Open Tool |
| Plant Spacing Calculator | Gardening | Open Tool |
| Raised Bed & Compost Calculator | Gardening | Open Tool |
| Yarn Yardage Calculator | Knitting & Crochet | Open Tool |
| Fursuit Fur Yardage Calculator | Cosplay & Costuming | Open Tool |
All Free Tools
Turtle Tank Size Calculator
Calculate the recommended tank size for aquatic turtles based on shell length and number of turtles. Includes extra space options and filter guidance.
Use Calculator →Candle Wax Calculator
Find out exactly how much wax and fragrance oil you need for any container candle. Supports soy, paraffin, beeswax and coconut wax.
Use Calculator →Plant Spacing Calculator
Instantly calculate how many plants will fit in your garden bed or raised bed based on recommended spacing.
Use Calculator →Raised Bed & Compost Calculator
Calculate how much soil or compost you need to fill any raised bed. Includes compost percentage options and bag estimates.
Use Calculator →Yarn Yardage Calculator
Estimate how much yarn you need for scarves, hats, sweaters, blankets, socks and shawls based on size and yarn weight.
Use Calculator →Fursuit Fur Yardage Calculator
Estimate the amount of faux fur required for heads, partials, plantigrade and digitigrade full suits. Adjusts for body size and number of colors.
Use Calculator →