Calculators
Fast, private, no-nonsense calculators — grouped by what you need, all run in your browser.
Health & fitness
Finance
Percentage Calculator
Percent of a number, % change, increase/decrease, discount & sale price, and reverse percentage.
Open →Loan & Mortgage
Monthly payment, total interest and a full amortization schedule — with taxes & extra payments.
Open →Compound Interest
Future value of savings with contributions, compounding, a growth chart and a goal-seek mode.
Open →Sales Tax / VAT
Add tax to a price — or reverse it out of a total.
Coming soonEveryday
Bill & Tip Calculator
Split a bill, add a tip and see what each person owes — with quick 15/18/20% picks.
Open →Fuel Cost Calculator
Trip fuel cost from distance, economy and price — round-trip and split per person.
Open →Square Footage & Meter Calculator
Draw your floor plan to scale — every room's area in sq ft or m², plus waste and cost.
Open →Private calculators, no clutter
Every DailyDesk calculator runs entirely in your browser — there are no ads, no pop-ups, no sign-up, and nothing you type is uploaded or stored. They update live as you type, and work even offline. More calculators land here regularly.
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