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Nu

Nurse

Built around the calculations that come up at the bedside on every shift — IV drip rate from rate or volume + drop factor, body surface area for chemo and peds dosing, three creatinine-clearance formulas in one tool with stage classification, Glasgow Coma Scale with documentation-ready output, mean arterial pressure with perfusion-target status, plus the existing pediatric dosage tool. Not a replacement for institutional protocols — a faster way to do the math you do anyway.

20 tools · 6 sections

Bedside calculations

3 tools

The drip-rate, BSA, MAP-and-shock-index math that runs every shift.

IV Drip Rate Calculator

Converts between mL/hr and drops/min for any drop factor (macro 10/15/20, micro 60). Three modes — pick what you know.

Body Surface Area (BSA)

BSA from height + weight using Mosteller, DuBois, Haycock, and Boyd formulas. For mg/m² dosing.

MAP + Shock Index

Mean arterial pressure + shock index from BP and HR. Surfaces perfusion-target status (MAP ≥ 65) and shock-index thresholds (≥ 1.0 concerning).

Clinical scoring

3 tools

Validated scoring tools for neuro, depression, anxiety screening.

Glasgow Coma Scale (GCS)

Eye + verbal + motor scoring with severity tier and documentation-ready string. Handles intubated and eyes-swollen-shut conventions.

Depression & Anxiety Screening

PHQ-9 and GAD-7 — the two validated questionnaires used in primary care. Screening, not diagnosis. Stays on your device.

Sleep Apnea Screening (STOP-BANG)

The 8-question validated screening tool for obstructive sleep apnea. Score ≥3 typically warrants a sleep study conversation.

Drug dosing helpers

2 tools

Renal function (3 formulas), pediatric dosing.

Creatinine Clearance + eGFR

CKD-EPI 2021 (race-free), MDRD, and Cockcroft-Gault in one tool. With CKD stage classification and "which to use when" guidance.

Kids Medication Dosage

Acetaminophen, Ibuprofen, Benadryl, Zyrtec, and Claritin dosing for children. Per-dose range plus 'next dose at' timer. Hard cutoffs for under-3-month / under-6-month / under-6-year + a permanent disclaimer.

Patient education + handoff

4 tools

AI to ELI5, summarize, paraphrase. PDF for handouts.

Explain Like I'm 5

Simplify complex text to any reading level using AI.

Summarize any text into key points using AI.

Rewrite text in different words while keeping meaning.

Markdown to PDF

Convert Markdown to PDF with proper formatting. Code blocks, lists, quotes, headings. Free online tool.

Shift logistics

4 tools

Timers, stopwatch, time math.

Precise stopwatch with lap tracking.

Countdown Timer

Set a countdown timer with custom duration.

Focus timer with work sessions and break intervals.

Date Calculator

Calculate the difference between dates or add/subtract days.

Reference lookups

4 tools

Body composition baselines patients ask about.

Calculate your Body Mass Index with visual results and tracking.

Body Fat Estimator

Estimate body fat percentage using measurements.

Ideal Weight Calculator

Calculate ideal body weight using 4 medical formulas. Compare with healthy BMI range.

Waist-to-Hip Ratio

Calculate your waist-to-hip ratio (WHR) and health risk category. Free online WHR calculator.

Looking for something specific? Browse all 240 tools.

Built browser-first. Run by one developer.

Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.

240

Free tools

Across 14 categories

7

Visual editors

PDF · image · video · audio

32

Curated kits

By profession + lifestyle

17

AI tools

Powered by Claude API

Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser

The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.