Toolhox Catalog

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Browse the full Toolhox catalog — 500+ free online tools across every category. No signup, no friction.

309 tools

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Voltage Drop Calculator For Marina Wiring Tool

Use the Voltage Drop Calculator For Marina Wiring to estimate cable voltage loss from current, conductor resistance, and circuit length for marine electrical planning.

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Gemini 3.1 Pro Api Vs Gpt-5 Api Per Token Cost

Compare Gemini 3.1 Pro API vs GPT-5 API per token cost Calculator to estimate input and output spend from token counts using current standard API pricing today.

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Gemini Thinking Tokens Cost Calculator

Calculate Gemini thinking token costs using token usage and the applicable price per million tokens. Get a quick cost estimate for AI API budgeting.

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Gemini Search Grounding Cost Calculator

Calculate Gemini Search grounding costs based on search usage, free allowances, and applicable Google rates. Plan your Gemini API budget.

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Gemini Batch Api Discount Calculator

Compare Gemini API and Batch API costs, calculate potential savings, and estimate the Batch API discount from your usage and pricing inputs.

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Gemini Api Caching Cost Estimator

Estimate Gemini context caching savings: uncached input plus cached reads plus output plus hourly storage. Storage is billed once, not per request. 100% private - runs entirely in your browser.

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Gemini 3.6 Flash Api Cost Calculator

Estimate Gemini 3.6 Flash API costs using input tokens, output tokens, and request volume. Calculate token-based API costs in USD.

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Gemini 3.5 Flash-Lite Volume Estimator

Estimate Gemini 3.5 Flash-Lite token volume and usage for AI workloads. Plan input, output, requests, and potential API usage with Toolhox.

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Voltage Divider Calculator With Multi-Resistors

Calculate voltage drops and node voltages for series resistor dividers from supply voltage and resistor values. Review formulas, examples, and circuit limits.

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Gemini 3.1 Pro 200k Pricing Estimator

Estimate Gemini 3.1 Pro API costs using input and output tokens, with pricing estimates for requests above and below the 200k-token threshold.

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Voltage Drop Calculator For Landscape Lighting Wire

Use the Voltage Drop Calculator For Landscape Lighting Wire to estimate cable voltage loss from load, distance, and wire gauge before planning your lighting run.

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Gpt-4o Vs Claude Price Calculator

Compare GPT-4o and Claude API costs using input tokens, output tokens, and pricing to estimate AI usage costs for your workload.

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Openai Api Cost Per User Calculator

Estimate OpenAI API cost per user using token usage and pricing inputs. Calculate per-user and multi-user API costs for planning.

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O3 Reasoning Token Cost Estimator

Estimate o3 reasoning token costs using the applicable output-token rate. Get a clear cost estimate from your reasoning token count.

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Openai Prompt Caching Cost Calculator

Calculate OpenAI prompt caching costs using input, cached input, cache-write, and output tokens. Get a clear token cost estimate for your API usage.

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Openai Batch Api Cost Calculator

Calculate OpenAI Batch API costs from input and output tokens and pricing. Estimate your API spend for batch workloads with Toolhox.

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Gpt 5 Token Price Calculator

Estimate GPT-5 API token costs from input and output tokens and applicable rates. Calculate your estimated usage cost in USD.

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Openai Api Cost Calculator Online

Estimate OpenAI API costs from input and output tokens. Calculate token usage and total estimated API costs for planning.

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Battery Series And Parallel Voltage Calculator

Battery Series And Parallel Voltage Calculator estimates bank voltage for series and parallel setups, with formulas and examples for practical battery-bank planning.

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Voltage Drop Calculator For Aluminum Wire Chart

Estimate aluminum wire voltage drop using circuit current, length, wire resistance, and supply voltage. Compare voltage loss and review key conductor-sizing considerations.

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Ac To Dc Voltage Converter Calculator Tool Convert

Use the AC to DC Voltage Converter Calculator Tool Convert to estimate DC voltage from AC input and compare rectifier formulas for practical power-supply planning.

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Voltage Drop Calculator For Fire Alarm Systems

Calculate fire alarm circuit voltage drop using current, cable length, and conductor resistance. Estimate remaining voltage and review key electrical design considerations.

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Voltage Sensitivity Of A Galvanometer Calculator Calculate

Calculate galvanometer voltage sensitivity from deflection, applied voltage, current sensitivity, and coil resistance. Apply the correct formula and check units.

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Claude Token Counter – Free Ai Token Calculator (2026 Update)

Easily count tokens for Claude AI prompts and responses with our free Claude Token Counter. Updated for 2026, this tool helps you check token usage, optimize prompt length, and avoid cut‑offs. Fast, accurate, and simple to use.

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