Calcscape

Transparent calculators with plain-English math — cost estimates, paychecks, loans, and planning tools where you can see how the number is built.

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Home & yard 89 calculators ADUs, garages, basements, EV chargers, landscaping, and renovation cost sketches Materials & DIY 70 calculators Tile, lumber, stairs, beam span sketches, battery runtime, power factor, duct, and ampacity Paycheck & tax 60 calculators State take-home, federal brackets, capital gains, withholding, VA disability, and SE tax Debt & loans 43 calculators Loans, DTI, leases, fuel cost, tire size, payoff plans, and refinance worksheets Family 40 calculators Alimony estimates, child support sketch, divorce buyout, and prorated rent Mortgage 24 calculators Payments, LTV, down payment, FHA MIP, VA funding fee, and rent vs buy Savings & retirement 51 calculators FIRE, net worth, Social Security sketches, 50/30/20, DCA, and retirement math Medical 30 calculators MELD, Wells, APGAR, Child-Pugh, IV drip, pediatric dose, ANC, and peptide math Fitness 33 calculators 1RM, BMR, TDEE, target heart rate, WHR, BRI, sleep cycles, and race predict School 64 calculators GPA, volumes, triangle area, margin of error, chi-square, regression, and sample size Business 25 calculators Margin, ROI, split bill, freelance rate, sales commission, options P/L, and break-even

All calculators

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Home & yard 89

Materials & DIY 70

Medical 30

Paycheck & tax 60

Family 40

Debt & loans 43

Mortgage 24

Savings & retirement 51

Fitness 33

School 64

Business 25