Curated Collections
Scenario-based calculator packs: each collection chains the right tools in the order you actually need them, with why-it-matters notes for every step.
Home Renovation Calculator Pack
A 9-step calculation chain from purchase to move-in: affordability, deed tax, mortgage, housing fund, renovation budget, tile & paint quantities, renovation loan and prepayment.
9 tools · step-by-stepBaby & Parenting Calculator Pack
Seven tools from maternity pay to education savings: benefits, vaccine schedule, growth standards, height prediction, fever dosing, car-seat grouping and compound growth.
7 tools · step-by-stepYear-End Bonus & Take-Home Pack
Bonus tax critical points, income tax, take-home pay, pension tax relief and deposit compounding — make the most of your year-end money.
7 tools · step-by-stepSocial Insurance & Housing Fund Pack
Housing fund, medical reimbursement, flexible employment, unemployment benefits, injury compensation, maternity pay, delayed retirement and pension — a life-cycle map of social insurance.
8 tools · step-by-stepCar Ownership Cost Pack
On-road price, insurance, service intervals, fuel, parking and rentals — the full lifecycle cost from delivery to daily driving.
6 tools · step-by-stepTravel Abroad Prep Pack
Exchange rates, time zones, tipping, baggage, sizing and temperature — every numeric question solved in 10 minutes before departure.
6 tools · step-by-stepHome Buying Calculator Pack
A 6-step chain from house hunting to loan approval: affordability, deed tax, commercial monthly payment, housing fund, plan comparison and prepayment.
6 tools · step-by-stepLoan & Debt Calculator Pack
A 5-step chain: auto loan, plan comparison, prepayment, take-home pay — know the numbers before you borrow.
5 tools · step-by-stepSaving & Investing Calculator Pack
A 7-step dashboard for long-termists: compound growth, deposits, SIP, stock returns, dividends, FIRE and retirement.
7 tools · step-by-stepFitness Training Calculator Pack
An 8-step chain from body assessment to training loads: BMI, body fat, BMR, TDEE, 1RM, pace, exercise burn and race prediction.
8 tools · step-by-stepPregnancy & Baby Calculator Pack
A 6-step chain from conception to feeding: ovulation, due date, pregnancy weight, milk intake and formula prep.
6 tools · step-by-stepHealth Monitoring Calculator Pack
Seven routine metrics — blood pressure, heart rate, BMI, waist-to-hip ratio, body fat, ideal weight and BSA — to decode your checkup report.
7 tools · step-by-step