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Markets{{ dashRateStatus }}
{{ c.logo }}{{ c.code }}{{ c.price }}{{ c.chgText }}
{{ f.pair }}{{ f.sym }}{{ f.val }}
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Live markets{{ dashRateStatus }}
{{ c.logo }}{{ c.code }}{{ c.price }}{{ c.chgText }}
Recent
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Markets{{ dashRateStatus }}
{{ c.logo }}{{ c.code }}{{ c.price }}{{ c.chgText }}
Recent
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Universal Converter
Quick Convert
Type a value — answers update live in the {{ systemName }} system.
{{ precision }} significant digits
Category
From
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To
{{ toBadge }}
{{ result }}
{{ equation }}
Metric equivalent · {{ metricLine }}
{{ ambiguity }}
Quick start
Live · every unit
US · UK · Metric
Recipe Mode
Scale a whole recipe between measurement systems — with the cup & pint pitfalls flagged.
{{ recipeMsg }}
Convert to
Batch scale
multiply every amount
{{ recipeWarnText }}
IngredientAmountUnitConverted
→{{ r.convertedText }}
Total liquid volume {{ recipeScaleNote }}
{{ recipeTotal }}
Home & Commercial
Square Footage
Measure rooms and areas, total them up, and add a waste factor and cost estimate — for flooring, tile, paint, turf or any project.
{{ spaceMsg }}
Material
Measure in
Waste
overage for cuts & offcuts
Price /{{ spaceUnitSym }}
for a material cost estimate
Coverage
{{ spaceCovHint }} per {{ spaceCovUnit }}
Buy {{ spUnitsNeeded }}
Walls
ceiling height
{{ spaceUnit }} · walls {{ spWallArea }}
Depth
Labor /{{ spaceUnitSym }}
contingency
AreaShapeDimensionsResult
→{{ r.areaText }}
Total area
{{ spaceTotal }}
+ {{ spaceWastePct }}% waste — order this much
{{ spaceWithWaste }}
Metric equivalent
{{ spaceMetric }}
Wall area (perimeter × height)
{{ spWallArea }}
Volume (area × depth)
{{ spVolumeText }}
{{ spVolMetric }}
Order quantity
{{ spUnitsNeeded }}
Material{{ spMatCost }}
Labor{{ spLabCost }}
Contingency ({{ spContPct }}%){{ spContAmt }}
Total estimate{{ spGrandTotal }}
Estimated material cost
{{ spaceCost }}
US · UK · Metric
Body & Health
Convert height and weight across feet, stone, pounds and metric — with a live BMI and your healthy-weight range.
Height
ft
in
cm
{{ heightDual }}
Weight
st
lb
lb
kg
{{ weightDual }}
Body mass index
{{ bmiText }}
{{ bmiCatLabel }}
Under
Healthy
Over
Obese
Healthy weight for your height
{{ healthyRange }}
Shoe size
US · UK · EU conversions
Your size in
{{ c.sys }}
{{ c.val }}
USUKEUFoot (cm)
{{ r.us }}{{ r.uk }}{{ r.eu }}{{ r.cm }}
Shoe sizing varies by brand and last — these are standard retail conversions; when between sizes, size up. BMI is a general guide, not a medical diagnosis.
Daily energy
Calories & Macros
Daily target
{{ calMain }}
Sex
Age
Goal
Activity level
{{ r.l }}{{ r.v }}
{{ m.val }}
{{ m.label }}
Target range
Ideal Weight
{{ r.l }} formula{{ r.v }}
Healthy BMI range
{{ idealHealthy }}
U.S. Navy tape
Body Fat
{{ bfText }}
{{ bfCatLabel }}
{{ bfMass }}
Fat mass
{{ leanMass }}
Lean mass
Training
Heart-Rate Zones
Max HR · {{ bodyAge }} yrs
{{ maxHRText }}
{{ z.zone }}
{{ z.label }}
{{ z.range }}
Jewelry
Ring Size
{{ c.sys }}
{{ c.val }}
Apparel
Clothing Size
{{ c.sys }}
{{ c.val }}
Money Math
Finance
Loans, sales tax, tips and savings — itemized on a printable receipt.
Payment frequency
Pay frequency
{{ f.prefix }}
{{ f.suffix }}
Estimates only — actual loan terms, taxes and fees vary by lender and region. Figures update live as you type.
I SMART MEASURE
{{ finTitle }}
{{ finDate }}
{{ r.l }}
{{ r.v }}
{{ finHeadLabel }}
{{ finHeadValue }}
{{ finCode }}
★ THANK YOU ★
Point of Sale
Receipt
Ring up items and print an itemized cash receipt — tax, change due and a scannable code included.
{{ receiptMsg }}
Saved receipts
{{ r.store }}
{{ r.number }}
{{ r.total }}
Store details
Items
ItemQtyPrice
{{ rcptStore }}
{{ rcptInfo }}
{{ rcptNumber }}{{ rcptDate }}
{{ rcptTypeTag }}
{{ r.name }}
{{ r.total }}
{{ r.qtyLine }}
{{ r.l }}
{{ r.v }}
{{ rcptTotalLabel }}
{{ rcptTotal }}
{{ rcptStamp }}
{{ r.l }}{{ r.v }}
{{ rcptItemUnits }} {{ rcptItemsLabel }}
{{ rcptCode }}
Served by {{ rcptServedBy }}
{{ rcptNote }}
{{ rcptThankYou }}
Bill & Get Paid
Invoice
Build a professional invoice, add your logo, then save it, share it, or export a PDF.
{{ invoiceMsg }}
Type
Your business
Your logo preview
Bill to
Terms
DescriptionQtyRateAmount
{{ r.amount }}
Payment details
A scannable QR code is generated and shown on the invoice.
PAID
{{ invLogoImgPaper }}
{{ invInitials }}
{{ invBizName }}
{{ invBizInfo }}
{{ invDocTitle }}
{{ invNumber }}
Date: {{ invDate }}
Due: {{ invDue }}
Bill to
{{ invClientName }}
{{ invClientInfo }}
DescriptionQtyRateAmount
{{ r.desc }}
{{ r.qty }}
{{ r.rate }}
{{ r.amount }}
Add a line item to get started.
{{ t.l }}{{ t.v }}
{{ t.l }}{{ t.v }}
{{ invTotalLabel }}
{{ invTotal }}
Notes
{{ invNotes }}
{{ invTerms }}
Payment details
{{ invPayTo }}
{{ invQREl }}
SCAN TO PAY
Generate · Scannable
Barcode Generator
Create retail and industrial barcodes — Code 128, EAN, UPC, Code 39 and ITF — then download as PNG or SVG.
Symbology
{{ barActiveHint }}
Appearance
Bar width
Height
{{ barHeight }}px
Show value text
Color
Background
Custom color
Orientation
Quiet zone
{{ barcodeImgEl }}
Valid · check digit {{ barValidText }}
{{ barError }}
{{ barScanMsg }}
Batch & labels
Columns / row
Saved barcodes
{{ r.typeLabel }}
{{ r.value }}
Generate · Scannable
QR Code Generator
Encode a link, Wi-Fi login, contact card, email, location and more — customize and download.
Content type
Security
Style & theme
Module shape
Eye shape
Gradient
Gradient direction
Dot color
Eye color
Background
Custom color
Center logo
Logo size
{{ qrLogoPct }}%
Error correction
Quiet margin
{{ qrMargin }}
{{ qrScanMsg }}
{{ qrCaption }}
Fill in the fields to generate a code.
{{ qrMsg }}
Codes are generated on your device and work offline. Styled dots and logos use higher error correction automatically — always scan to test before printing.
Live Exchange Rates
Currency Converter
Convert between world currencies at live exchange rates.
{{ statusText }}
Amount
Converted
{{ currencyResult }}
{{ currencyRateLine }}
{{ marketSource }}
Popular pairs
Live rates are fetched from public APIs when you're online and cached on your device; offline, the last saved rates are used. Indicative only — confirm with your bank before transacting.
Live Crypto Prices
Crypto Converter
Convert cryptocurrencies and price them in your currency.
{{ statusText }}
Fear & Greed
{{ fngValue }}
{{ fngClass }}
No coin matches “{{ crySearch }}”.
Direction
Amount
{{ cryFromLogo }}
Converted
{{ cryptoResult }}
{{ cryToLogo }}
{{ cryptoRateLine }}
{{ marketSource }}
Top coins by market cap
Live
Showing {{ cryUniverseShownCount }} of {{ cryUniverseCount }} · search any
Live prices
Crypto prices are highly volatile and fetched from public APIs when online, then cached on your device. Indicative only — confirm on your exchange before transacting.
Fear & Greed
{{ fngValue }}
{{ fngClass }}
Gainers
Losers
· size = 24h move · top 100
CoinGecko
{{ cryDirTotal }} major assets · {{ cryDirChainCount }} blockchains · official logos
No coin matches “{{ crySearch }}”.
Crypto Fear & Greed Index
{{ fngValue }}
{{ fngClass }}
Loading live top-1,000 market data…
Top coins by market cap
Live
Showing {{ cryUniverseShownCount }} of {{ cryUniverseCount }} · search any
ISO 20022 Coins
{{ cryDirIsoCount }}
Digital assets aligned with the ISO 20022 financial-messaging standard used by banks and payment networks.
By blockchain
{{ g.chain }}
{{ g.note }}
{{ g.count }}
Logos load from the public CoinCap icon CDN when online; tap any asset to price it in the Converter. Live prices appear next to coins once rates have refreshed.
Markets · Live & reference
Markets
Gold, FX and crypto sentiment update live. Indices, stocks, commodities, bonds and the IPO list are reference data.
{{ k.name }}
{{ k.badge }}
{{ k.price }}
{{ k.unit }}
Crypto Fear & Greed
{{ fngValue }}{{ fngClass }}Live
Top Gainers24h
Top Losers24h
TrendingLiveMost-searched · CoinGecko
Forex · USD pairsLive
{{ f.pair }}{{ f.rate }}
Major Indices
{{ x.sym }}{{ x.name }}{{ x.region }}
Big-name Stocks
{{ x.sym }}{{ x.name }}{{ x.sector }}
Commodities & Metals
{{ x.name }}{{ x.unit }}
Bond / Treasury Yields
{{ x.sym }}{{ x.name }}{{ x.region }}
Forex, the crypto Fear & Greed index, global crypto market stats, top movers and gold (via the PAX Gold token) update live. Stock indices, individual stocks, commodities and bond yields are shown as names/reference only — no prices are displayed because live quotes for those require a paid market-data provider, and nothing is fabricated.
Math → Units
Advanced Calculator
Do the math, then convert the answer in one step.
Expression
= {{ calcN }} {{ calcFromSym }}
{{ calcMemText }}
Result
{{ calcResultText }} {{ calcToSym }}
{{ calcError }}
Recent
No conversions yet.
Copy a result to log it here.
Copy a result to log it here.
Calc tape
No calculations yet.
Press = or Enter to log a result.
Press = or Enter to log a result.
Every Unit, Cited
Unit Library
Every unit, its system, and the authority behind the factor.
{{ g.icon }}
{{ g.name }}
{{ g.count }} units
{{ detail.sym }}
{{ detail.name }}
{{ detail.badge }}
{{ detail.catName }}
System
{{ detail.sysFull }}
Family
{{ detail.catName }} · {{ detail.unitCount }} units
Source
{{ detail.src }}
Definition
{{ detail.factorLine }}
{{ detail.note }}
1 {{ detail.sym }} equals
{{ row.value }}
{{ row.sym }}
Common questions about measurement systems, units and how this converter works.
{{ f.a }}
Activity
History
Every conversion, calculation and saved item — tap an entry to reopen it. Stored only on this device.
No activity yet
Convert a value, run a calculation, or save a receipt or invoice and it will show up here.
Nothing in this category yet.
One Tap Away
Favorites
Your saved conversions and recipes, one tap away.
Nothing saved yet
Pin a conversion with Save, or save a whole recipe from Recipe Mode.
Nothing saved in this category yet
Pick another tab above, or save an item from its tool.
Saved recipes
Saved area plans
Saved invoices
Saved QR codes
Saved conversions
Defaults & Display
Settings
Defaults, precision and appearance.
Measurement system
Display precision
Significant digits shown in results.
{{ precision }}
Dark mode
Switch between the dark and light canvas.
Thousands separators
Group large numbers — 1,234,567 vs 1234567.
Reduce motion
Minimize animations and transitions across the app.
Default currency
Starting currency for Finance and Receipts.
Live rates auto-refresh
How often Markets, Crypto and Currency update.
Default screen
The tab shown when you open the app.
Accuracy & legal
Factors are sourced from NIST SP 811 and the BIPM SI Brochure and stored in SI base units. For trade, fuel or other legally-regulated measurement, confirm the figure and the system label against the governing authority in your region before relying on it.
Reset app data
Permanently clear all saved preferences, history, favorites and saved items on this device.