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In most clinics, a single retainer costs about $150–$600, depending on type, material, and whether it is removable or permanently bonded.

Most personal trainers charge $40–$120 per hour, with many one-on-one sessions landing around $60–$80 in gyms and studios.

One home pregnancy test usually costs between $1 and $25, while clinic tests can range from free to about $200 depending on the type and location.

A standard cooking teaspoon equals 5 milliliters, or about one-third of a tablespoon in volume.

Most pregnant women need around 1,800–2,400 calories a day, with roughly 300 extra calories added in the second and third trimesters.

In most salons, a perm costs about $80–$250, but hair length, style, and location can raise or lower your final price.

In the United States, a full surrogacy process usually costs about $120,000 to $200,000, covering the surrogate, IVF, legal work, and insurance.

One ounce equals 28.35 grams in weight or about 29.57 milliliters in US liquid volume, with handy links to pounds, cups, and troy ounces.

In the U.S., a single Plan B pill usually costs $40–$50, while generic morning-after pills range from about $10 to $45 depending on where you buy.

A rabies shot usually costs $20–$50 for pets, and full post-exposure rabies treatment for people often ranges from about $1,000 to over $5,000.