Chinese Zodiac Calculator

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Dragon

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Horse Color Calculator

Use our Horse Color Calculator to predict offspring coat colors based on sire and dam genetics. Estimate probabilities for chestnut, bay, and black foals with this easy-to-use tool for horse breeders and enthusiasts.
Ring Size Calculator

Calculate your perfect ring size easily with our Ring Size Calculator. Convert between US, UK, and EU sizes, and get accurate measurements for a comfortable fit. Find your ideal ring size now!
OpenAI Token Counter

OpenAI Token Counter powered by JTokkit™ v1.1.0 (Java implementation of tiktoken). Calculate exact token usage for GPT-4, GPT-3.5 and all OpenAI models to understand your context limits.
Anthropic Claude Calculator

Calculate costs for Anthropic's Claude AI models. Estimate expenses for prompt and completion tokens across Claude 3 Opus, Sonnet, and Haiku versions. Visualize token distribution and get precise pricing.
Arithmetic Sequence Calculator

Calculate arithmetic sequences with ease. Input the first term, common difference, and number of terms to get the last term, sum of the sequence, and a visual representation of all terms. Perfect for students and professionals working with arithmetic progressions.

Stopwatch

Use this online stopwatch to measure time intervals precisely. Start, stop, and reset with ease.
Countdown Timer

Free online countdown timer. Set hours, minutes, and seconds to count down easily. Simple, fast, and useful for work, study, or daily tasks.
Counter

Simple online counter tool. Increase, decrease, or reset numbers instantly. Set custom step values and limits with ease.