| Key features | - Appliance age decoder for refrigerators, washers, dryers, dishwashers, disposals, water heaters, and furnaces
- Home maintenance budget calculator to estimate annual upkeep costs
- HVAC filter size finder with MERV rating guidance
- Repair vs replace calculator comparing costs and remaining lifespan
- Appliance-specific serial number location guides
- Comparison guides for major home systems
- Appliance lifespan and replacement cost database
- Blog with home maintenance guides and research findings
- Original research data from anonymized appliance-lookup information
- Support for major appliance brands including GE, Whirlpool, Samsung, LG, Frigidaire, and Bosch
| - Bra size calculation in five sizing systems: US, UK, EU, FR and AU
- Support for inches and centimetres
- Fabric yardage calculator for various projects
- Pregnancy due date calculator using Naegele's rule
- All calculations run privately in browser with no data storage
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| What makes it different | - Free access with no account required or paywalls
- Serial decoders cross-checked against manufacturer data
- Content dated and sourced from trusted organizations like NAHB, NFPA, DOE, EPA, ASHI, and NAR
- Practical, calm, non-fear-based approach to home maintenance
- Original research published from own appliance-lookup data
| - All 26 calculators completely free with no sign-up or limits
- Calculations verified with automated tests before every release
- Fully private with no measurements sent to servers or stored
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